CN109232137A - A kind of carbon coupled mode stability nitrogen fertilizer and preparation method - Google Patents
A kind of carbon coupled mode stability nitrogen fertilizer and preparation method Download PDFInfo
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- CN109232137A CN109232137A CN201811478861.5A CN201811478861A CN109232137A CN 109232137 A CN109232137 A CN 109232137A CN 201811478861 A CN201811478861 A CN 201811478861A CN 109232137 A CN109232137 A CN 109232137A
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- fertilizer
- urea
- inhibitor
- nitrogen
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- 239000000618 nitrogen fertilizer Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 108
- 229910052799 carbon Inorganic materials 0.000 title claims description 108
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 241
- 239000004202 carbamide Substances 0.000 claims abstract description 122
- 229920002643 polyglutamic acid Polymers 0.000 claims abstract description 99
- 239000003337 fertilizer Substances 0.000 claims abstract description 86
- 239000003112 inhibitor Substances 0.000 claims abstract description 86
- 239000002601 urease inhibitor Substances 0.000 claims abstract description 35
- 229940090496 Urease inhibitor Drugs 0.000 claims abstract description 34
- 239000003575 carbonaceous material Substances 0.000 claims abstract description 20
- HEPPIYNOUFWEPP-UHFFFAOYSA-N n-diaminophosphinothioylbutan-1-amine Chemical compound CCCCNP(N)(N)=S HEPPIYNOUFWEPP-UHFFFAOYSA-N 0.000 claims description 53
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 38
- 239000002002 slurry Substances 0.000 claims description 29
- LXKCHCXZBPLTAE-UHFFFAOYSA-N 3,4-dimethyl-1H-pyrazole phosphate Chemical compound OP(O)(O)=O.CC1=CNN=C1C LXKCHCXZBPLTAE-UHFFFAOYSA-N 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- -1 carbon disulfide Natural products 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 5
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 5
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 4
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- OKGXJRGLYVRVNE-UHFFFAOYSA-N diaminomethylidenethiourea Chemical compound NC(N)=NC(N)=S OKGXJRGLYVRVNE-UHFFFAOYSA-N 0.000 claims description 3
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- NHUBNHMFXQNNMV-UHFFFAOYSA-N 2-ethynylpyridine Chemical compound C#CC1=CC=CC=N1 NHUBNHMFXQNNMV-UHFFFAOYSA-N 0.000 claims description 2
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- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 2
- 229920005610 lignin Polymers 0.000 claims description 2
- KMZNLGQARIPHIB-UHFFFAOYSA-N n-diaminophosphorylcyclohexanamine Chemical compound NP(N)(=O)NC1CCCCC1 KMZNLGQARIPHIB-UHFFFAOYSA-N 0.000 claims description 2
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- JNMRHUJNCSQMMB-UHFFFAOYSA-N sulfathiazole Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CS1 JNMRHUJNCSQMMB-UHFFFAOYSA-N 0.000 claims description 2
- 229960001544 sulfathiazole Drugs 0.000 claims description 2
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims description 2
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- RTLZAQPEADGGLY-UHFFFAOYSA-N NP(CCC1=CC=CC=C1)(N)=O Chemical compound NP(CCC1=CC=CC=C1)(N)=O RTLZAQPEADGGLY-UHFFFAOYSA-N 0.000 claims 1
- FZDSRQVIUUCVMI-UHFFFAOYSA-N [ClH]1N=CCC1 Chemical compound [ClH]1N=CCC1 FZDSRQVIUUCVMI-UHFFFAOYSA-N 0.000 claims 1
- 229960001413 acetanilide Drugs 0.000 claims 1
- ZMJUYWJINBSMOL-UHFFFAOYSA-N cyclohexyloxy-dihydroxy-sulfanylidene-$l^{5}-phosphane Chemical compound OP(O)(=S)OC1CCCCC1 ZMJUYWJINBSMOL-UHFFFAOYSA-N 0.000 claims 1
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- TZLVRPLSVNESQC-UHFFFAOYSA-N potassium azide Chemical compound [K+].[N-]=[N+]=[N-] TZLVRPLSVNESQC-UHFFFAOYSA-N 0.000 claims 1
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 194
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- KIHNNFHSJMLFSA-UHFFFAOYSA-N n-diaminophosphinothioylhexan-1-amine Chemical compound CCCCCCNP(N)(N)=S KIHNNFHSJMLFSA-UHFFFAOYSA-N 0.000 description 1
- 235000013557 nattō Nutrition 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008121 plant development Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000021749 root development Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000004016 soil organic matter Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to urea fertilizers, are specifically a kind of coupled carbon-nitrogen dynamics type stability nitrogenous fertilizer and preparation method.Fertilizer component includes urea, biochemistry inhibitor, the carbonaceous material for regulating and controlling nitrogen soil conversion process, and wherein nitrogenous fertilizer type is urea, and biochemistry inhibitor mainly includes urease inhibitor and nitrification inhibitor, and carbonaceous material is gamma-polyglutamic acid.According to parts by weight, weight fraction ratio meter=1:0.001-0.1:0.1-0.3 of urea, biochemistry inhibitor, carbonaceous material.
Description
Technical field
The present invention relates to soil and environmental area, specifically a kind of carbon coupled mode stability nitrogen fertilizer and preparation side
Method, can provide a certain amount of nitrogen source for soil and carbon source deficiency causes the loss and waste of nitrogen, by nitrogen source with micro-
The form of biomass nitrogen and Fixed ammonium is fixed in the soil, promotes plant growth, meets each breeding time nutritional need of crop,
Utilization rate of fertilizer is improved, and can be reduced greenhouse gas emission, reduces a kind of stability fertilizer of Nitrate leaching and underground water pollution
Material.
Background technique
Nitrogen is one of nutrient necessary to crop growth, and the application of nitrogenous fertilizer has the yield and quality for improving crop
Important role, amount of application of nitrogen fertilizer account for about 60% or so of the total dosage of chemical fertilizer.But the utilization rate of nitrogen fertilizer in China gradually decreases, nitrogenous fertilizer
This season utilization rate be only 30%-35%, remaining nitrogenous fertilizer loses in a variety of manners.Utilization rate of nitrogen fertilizer reaches on industrial crops
50%-70%, the situations such as generally existing amount of application of nitrogen fertilizer is big, utilization rate of nitrogen fertilizer is low during paddy field cultivation, by the end of 2012,
China's rice field nitrogen utilization rate is only 30%-40%.Since the loss of nitrogen bring reaches 13,000,000 tons of annual, equivalent RMB
64000000000 yuan.And according to FAO (Food and Agriculture Organization of the United Nation) (FAO) prediction in 2015, world's nitrogenous fertilizer demand 2018 close to 1.19 ×
108Ton increases by 1.4% every year on average, and China is annual to increase by 18%, at present the far super international average water of the amount of application of nitrogen fertilizer in China
It is flat.Utilization rate of nitrogen fertilizer is low, either from economic benefit or the angle of environmental protection, improves utilization rate of nitrogen fertilizer, reduces nitrogen
Element loss is a problem urgently to be resolved at present, and producing highly efficient stable type nitrogenous fertilizer has boundless development empty
Between.
It is low for utilization rate of nitrogen fertilizer, NxUnderground caused by atmosphere polluting problem caused by O discharge is serious and Nitrogen Leaching
Water pollution problems, the research and development and production of stable type fertilizer have been achieved with certain progress.Largely scientific investigations showed that, pass through life
One of the effective way for transforming into raising utilization rate of nitrogen fertilizer of object and chemistry route control nitrogen in the soil.By to fertilizer
Middle addition biochemistry inhibitor slows down hydrolysis of urea and ammonium nitrification, the content for improving ADSORPTION STATE ammonium in soil, inhibits the oxygen of ammonium
Change, reduce ammonia volatilization and greenhouse gas emission etc..Production stability fertilizer is at low cost, process flow is simple, control nitrogen
Changing effect is obvious, is easy to the advantages such as large-scale production, is widely applied and develops in China.
In farmland ecosystem, soil nitrogen cycle and carbon cycle have indivisible close association, and nitrogen cycle is one
Determine in degree by the limitation of carbon cycle and influence.In Agro-ecological System, it includes organic that the dynamic of SOIL CARBON AND NITROGEN, which is one,
The generation of matter, decomposition, nitrification, the complicated biogeochemical process of denitrification and fermentation process, SOIL CARBON AND NITROGEN ratio can be anti-
The coupled relation between SOIL CARBON AND NITROGEN is mirrored, evaluation soil quality level is played an important role.In agricultural production should
The investment for improving carbon, reduces the investment of nitrogen, can keep the sustainable use of SOIL CARBON AND NITROGEN balance and soil.When soil
When C/N is lower, there is enough nitrogen that can need to consume more carbon for the nitrogen of microbial assimilation by microbial consumption, and micro- life
Object needs more carbon that could maintain activity in the case where nitrogen abundance.Therefore, it while applied nitrogen, needs certain
The application of the carbon source of amount just can be reduced the loss of nitrogen, improve nitrogen utilization efficiency, while improving the nitrogen fixing capacity of soil.Soil
The nitrification and denitrification action intensity of earth and the mineralization rate of soil organic matter, with soluble carbon or can be between the content of mineralising carbon
There is higher correlation.The input of organic carbon is conducive to the accumulation of Soil Nitrogen.Long-term location test shows that the rational application of fertilizer can
Keep or improve organic carbon and total nitrogen content in agricultural land soil.In paddy soil, the changes of contents of the soil organism and full nitrogen
Trend is close, is between the two the relationship for promoting mutually, conditioning each other, and has preferable coupled relation.
Good water solubility, degradation rapidly, can provide relatively steady gamma-polyglutamic acid (γ-PGA) in the soil for the proliferation of microorganism
It is lasting during microorganism keeps nitrogen to play a role calmly and effectively using carbon source.γ-PGA also has super simultaneously
Strongly hydrophilic and water holding capacity.It is unrestrained when flooding in soil, thin film can be formed on plant root hair surface layer, not only there is protection root
The function of hair, the optimal transport platform of nutrient, moisture content and root hair intimate contact even more in soil can very efficient raising fertilizer
Dissolution, storage, conveying and absorption；It prevents sulfate radical, phosphate radical, oxalate and metallic element from generating precipitation, makes crop
Phosphorus in soil, calcium, magnesium and microelement can more effectively be absorbed；Promote the development of crop root, reinforces disease resistance.
The crops such as rice, wheat, corn, sorghum are to like NH4 +The nitrogenous fertilizer of form, application press down containing nitrification inhibitor and urase
Preparation equistability nitrogenous fertilizer, can slow down NH4 +- N is to NO3 -The conversion process of-N makes to keep higher NH in soil4 +N content.
Nitrogen in farmland soil loss is serious, and utilization rate of nitrogen fertilizer is low, and new breakthrough mouth is badly in need of in stable fertilizer development, by nitrogenous fertilizer, bioid
It learns inhibitor and carbon source material matches, carbon coupled mode new type nitrogen fertilizer, which is made, becomes a kind of new research direction, to soil fertility
Raising and the storage of soil nitrogen pool have very important significance.
Summary of the invention
The purpose of the present invention is to provide a kind of carbon coupled mode stability nitrogen fertilizer and preparation methods.
To achieve the above object, the technical solution adopted by the present invention are as follows: a kind of carbon coupled mode stability nitrogen fertilizer, fertilizer
Ingredient includes urea, biochemistry inhibitor, carbon source.According to parts by weight, urea, biochemistry inhibitor, carbon source ratio
For 1:0.001-0.1:0.1-0.3.
The carbonaceous material (i.e. carbon source) is gamma-polyglutamic acid；
Biochemistry inhibitor includes that urease inhibitor and nitrification inhibitor or biochemistry inhibitor inhibit for urase
Agent；
The urease inhibitor is N- butylthiophosphoric triamide, quinhydrones, phosphoric triamide, ATS (Ammonium thiosulphate), P- benzoquinones, ring
Hexyl thiophosphoric acid triamide, cyclohexyl phosphoric triamides, six acylamino- rings, three phosphonitrile, N- halogen -2- azoles Chinese mugwort durene, N-N- bis-
The one or two or more kinds of halogen -2- azoles Chinese mugwort durene etc..
Nitrification inhibitor includes: western pyrrole, dicyandiamide, 1- methylpyrazole -1- hydroxyl amide, 3- methylpyrazole, ethylidene-urea, chlorine
Azoles spirit, 4- aminotriazole(ATA), thiocarbamide, acetylene, 2- ethynyl pyridine, sulphathiazole, guanyl thiourea, 1- amidino groups -2- thiocarbamide, 3,4- bis-
Methyl phosphate, thiosulfate, nitrine potassium, Sodium azide, coating calcium carbide, 2,5- chloroaniline, 3- antifebrin, toluene, two
The one or two or more kinds of nitric sulfid, phenylacetylene, 2- propine -1- alcohol, ammoxidized lignin, benzene second phosphoro group diamides etc..
Inhibitor is dissolved in organic solvent by above-mentioned metering, is puddled uniformly by mixing pump machinery, or by inhibitor people
After mixing evenly, carbonaceous material gamma-polyglutamic acid is soluble in water to be uniformly mixed work, and urea is added in the mixed solution of two kinds of substances
In urine slurry, then it is granulated by common urea production prilling granulator and accounts for 93% or more in 0.85-2.8mm to get partial size
Carbon coupled mode stability nitrogenous fertilizer.
Carbonaceous material gamma-polyglutamic acid, it is a kind of water solubility, and biodegrade is free of toxicity, uses microbe fermentation method
Bioabsorbable polymer material obtained；It is a kind of sticking substance, is found for the first time in fermentation beans (natto)；It is a kind of
Special anion nature polymer；It is by the amido bond between alpha-amido and γ-carboxylic acid group by D&L glutamate molecule
It being polymerized, molecular weight is between 5000-10000 megadaltons, structural formula such as following formula 1,
1 gamma-polyglutamic acid structural formula of formula meets carbon required for microorganism decomposition after gamma-polyglutamic acid is added to soil
The requirement of nitrogen ratio 25:1, nitrogen loss caused by alleviation is supplied not in time because of carbon source, carbon nitrogen is also secured in microbial body,
It is held by being decomposed by the microorganisms with clay mineral, and by nitrogen slow release, meet plant growth each period to nitrogenous fertilizer
Demand.Gamma-polyglutamic acid is playing except carbon energy supply, and the absorption that it can also strengthen nitrogen, phosphorus, potassium and microelement is made
With with biocompatibility and the complex performance to positive and negative charge, effectively latching nutrient, raising effective concentration reduces chemical fertilizer stream
It loses, enrichment nutrient, improve utilization rate of fertilizer, promote the functions such as crop root development and the synthesis of protein, to reach increase
The effect of yield and improving quality.Meanwhile gamma-polyglutamic acid be it is safe and environment-friendly, without hormone product, can be biodegradable into monomer ammonia
Base acid-glutamic acid, and it is absorbed by crops utilization, it is safe and efficient, pollution-free.
The invention patent has the advantages that
1, after applying carbon coupled mode nitrogenous fertilizer, due to the addition of nitrification inhibitor and gamma-polyglutamic acid, nitrogenous fertilizer will for a long time with
The form of ammonium nitrogen keeps in the soil, about extending to 8 days, avoids the appearance of high nitrogen, reduces Nitrogen Leaching and denitrification
Caused nitrogen loss improves utilization rate of nitrogen fertilizer, promotes nitrogenous fertilizer to exist in the form of ammonium nitrogen, slows down urea rate of release,
Extend its action time, meet the needs of plant growth different times are to nitrogen, reduces crops seedling stage and poison, disease pest is resisted in enhancing
Harmful ability.
2, after applying carbon coupled mode nitrogenous fertilizer, while for soil supplementary carbon source, gamma-polyglutamic acid also has activation phosphorus element
The effect of nutrition meets the needs of crop is to phosphorus.
3, part fertilizer nitrogen can be stored in the soil after applying carbon coupled mode nitrogenous fertilizer, because there is carbon source and nitrogen source simultaneously,
On the one hand it is acted on by the fixing of microorganism, fertilizer nitrogen is on the other hand kept by the fixed function of clay mineral.Micro- life
Article holder is mainly reflected in the case that carbon source is sufficient, and carbon source and nitrogen source is absorbed and utilized simultaneously in microbes, to meet itself
Growth and development, will be deposited admittedly in the form of the organic nitrogen of part in the soil, when crop demand, slowly released.The two
It combines and enriches soil nitrogen pool, increase nitrogen immobilization, improve the nitrogen planting modes on sink characteristic in soil.
4, after applying carbon coupled mode stability nitrogenous fertilizer, because it contains fertilizer synergist gamma-polyglutamic acid, gamma-polyglutamic acid
On the one hand plant growth and development are directly fed as carbon source and nitrogen source, another aspect gamma-polyglutamic acid is with its special molecule
Structure makes it have extremely strong moisture-retaining capacity, improved soil nodule structure, and chesson improves the retain water and nutrients ability of soil,
Also have and adjust soil acidity or alkalinity, reduces heavy metal in soil content, can be made into containing sodium, calcium, magnesium, the multifunctional fertilizers such as Hydrogen,
Meets the needs of crop is to various nutrient elements.
5, after applying carbon coupled mode nitrogenous fertilizer, can not only fixing soil nitrogen, improve the utilization rate of nitrogenous fertilizer, reduce greenhouse gas
The discharge of body, reduces environmental pollution, and is additionally favorable for the release of phosphorus element, activates potassium, especially brighter to the synergistic effect of potash fertilizer
It is aobvious, so as to play the role of extraneous root strong sprout, disease-resistant resistant to lodging, increase harvest.
6, it is made after by biochemistry inhibitor (urease inhibitor, nitrification inhibitor) in conjunction with gamma-polyglutamic acid synergist
At fertilizer composite synergist, urease inhibitor can be given full play to and nitrification inhibitor inhibits the collaboration of urea nitrogen hydrolysis and conversion
Effect and gamma-polyglutamic acid absorb to crop nutrition content and enhance the synergistic effect of retain water and nutrients, can be with urease inhibiting effective
Hydrolysis and the conversion to nitrate nitrogen can effectively extend the fertilizer efficiency period of urea or amidonitrogen nitrogenous fertilizer, improve suction of the crop to nitrogen
Utilizing status is received, increases plant to the uptake of nitrogen, improves the utilization rate of fertilizer, increase protein, amino acid in agricultural product
With the content of the nutriments such as fat, while middle microelement needed for plant and increasing micro needed for crop in activating soil
The effective enriching quantity of element in the soil promotes absorption of the crop to other nutrients.
Fertilizer of the invention, which has, supplements the feature of a certain amount of carbon source into soil with applying fertilizer, and then promotes nitrogen
Holding time in the soil, because field crop absorbs the peak period of nitrogen 30-80 days after planting, urea is in application soil
After in earth 7-10 days i.e. completely conversion (Wu Zhijie, Chen Li army Slow/Controlled Release Fertilizers: principle with using .2003, Beijing: section
Learn publishing house .Xu, X.K., L.K.Zhou, O.Van Cleemput, et al.Fate of urea-15N in a soil-
wheat system as influenced by urease inhibitor hydroquinone and nitrification
inhibitor dicyandiamide[J].Plant and Soil,2000,220(1-2):261-270.)
It is traditional singly apply urea under the conditions of, nitrogen loss is larger because urea decompose caused by NH4 +It cannot be big by crop
Amount utilizes (not being absorbed nitrogen by crop peak at this time), and nitrification becomes NO rapidly3 -, easily with water leaching loss, and NH3The loss amount of volatilization also accounts for
To the 5-40% of total losses.After herein described product is in being manured into soil, the decomposable process of urea first is delayed (urase
The effect of inhibitor), then urea decomposes the NH generated4 +Nitrification is greatly delayed under the action of biochemistry inhibitor
(effect of nitrification inhibitor), reduces NO3 -Production quantity, reduce leaching loss loss, while under the assistance of carbonaceous material, soil
NH produced by microorganism largely utilizes urea to decompose4 +, by NH4 +Stablize in active organic nitrogen pool, it can be in the crop growth later period
The needs of releasing for crop absorption utilization, meeting the plant growth later period to nitrogen improves nitrogen fertilizer efficiency, while reducing greenhouse
Gas discharge and Nitrogen Leaching, prove that this is that a kind of application effect is preferably novel by a large amount of Field information and comparative test
Carbon coupled mode stability nitrogenous fertilizer.
Specific embodiment
The present invention will be further explained with reference to the examples below.
Embodiment 1:
The ingredient of carbon coupled mode stability nitrogen fertilizer includes urea, urease inhibitor, gamma-polyglutamic acid.
By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of ATS (Ammonium thiosulphate) are added, the body that ATS (Ammonium thiosulphate) can be made to dissolve
The methanol of product concentration 37%, 20 parts of gamma-polyglutamic acids.
Preparation method:
In terms of 100 parts of urea urine slurries (fusing urea), it (is herein 400ml) that 5 parts of ATS (Ammonium thiosulphate), which are dissolved in 300-500ml,
The methanol (carrier as sustained release agent) of volumetric concentration 37%, mixes well；The mixing soluble in water of 20 parts of gamma-polyglutamic acids is equal
It is even；Flow is calculated by metering pump, above two mixed solution is added in urea urine slurry, is filled using common grain urea is produced
It sets and technique, by being granulated, to produce partial size be 0.85-2.8mm >=90%, the carbon coupled mode stability nitrogen that nitrogen content is 43%
Fertilizer.
Embodiment 2:
The ingredient of carbon coupled mode stability nitrogen fertilizer includes urea, urease inhibitor, gamma-polyglutamic acid.With 100 parts
(100 kilograms of meter) urea urine slurry meter, adds 5 parts of N- butylthiophosphoric triamide, N- butylthiophosphoric triamide can be made to dissolve
The methanol of volumetric concentration 37% and 20 parts of gamma-polyglutamic acids.
Preparation method:
In terms of 100 parts of urea urine slurries (fusing urea), 5 parts of N- butylthiophosphoric triamide are dissolved in 300-500ml (herein
For the methanol (carrier as sustained release agent) of 400ml) volumetric concentration 37%, mix well；20 parts of gamma-polyglutamic acids are dissolved in water
In be uniformly mixed；Flow is calculated by metering pump, above two mixed solution is added in urea urine slurry, it is common using production
Grain urea plant and technique, by being granulated, that is, producing partial size is 0.85-2.8mm >=90%, and the carbon that nitrogen content is 43% couples
Type stability nitrogenous fertilizer.
Embodiment 3:
The ingredient of carbon coupled mode stability nitrogen fertilizer includes urea, urease inhibitor, nitrification inhibitor, γ-polyglutamic
Acid.
By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl are added
Pyrazoles phosphate can make N- butylthiophosphoric triamide and 3, the first of the volumetric concentration 37% of 4- dimethyl pyrazole phosphate dissolution
Alcohol and 20 parts of gamma-polyglutamic acids.
Preparation method:
In terms of 100 parts of urea urine slurries (fusing urea), by 5 parts of N- butylthiophosphoric triamide and 5 parts of 3,4- dimethyl pyrazoles
Azoles phosphate is dissolved in 300-500ml and (is herein the methanol of 400ml) volumetric concentration 37% (carrier as sustained release agent), sufficiently mixes
It is even；20 parts of gamma-polyglutamic acids are soluble in water uniformly mixed；Above two mixed solution is added in urea urine slurry, is utilized
Common grain urea plant and technique are produced, by being granulated, that is, producing partial size is 0.85-2.8mm >=90%, nitrogen content 43%
Carbon coupled mode stability nitrogenous fertilizer.
Application examples 1:
By the carbon coupled mode stability nitrogenous fertilizer (to apply common urea as control group) that embodiment 1 produces, in corn, water
It is administered on rice, wheat, administration time is sowing (corn and wheat) and does base fertilizer one-time use jade before transplanting (rice)
Meter block amount of application of nitrogen fertilizer is purity nitrogen 12kg/ mus equivalent, and Fertilizer in Rice dosage is purity nitrogen 15kg/ mus equivalent, and wheat amount of application converts into purity nitrogen
5kg/ mus, when applying base fertilizer, other than this patent carbon coupled mode stability nitrogenous fertilizer produced or common urea, also apply phosphorus
Fertilizer and potash fertilizer, phosphate fertilizer calcium superphosphate, amount of application convert into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K2O 6 is public
In the plot of maize planting, the fertilizer application time is May 1 by pound/acre, and plantation wheatland block manure material administration time is April 15
Day, rice cultivation plot administration time was May 20, and the results obtained are as follows:
Unit: mu
Comparison study example 1:
This Comparison study example is not add the fertilizer of carbonaceous material (the carbon coupled mode that remaining composition is produced with embodiment 1 is steady
Qualitative nitrogenous fertilizer) with embodiment 1 described in carbon coupled mode stable fertilizer Field information comparative test.Administration time is that sowing is (beautiful
Rice and wheat) and transplanting (rice) before make equivalent purity nitrogen 12kg/ mus of base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, water
Rice amount of application is purity nitrogen 15kg/ mus equivalent, and wheat amount of application is purity nitrogen 5kg/ mus equivalent, applies phosphate fertilizer and potash fertilizer together in application
With phosphate fertilizer calcium superphosphate, amount of application converts into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K26 kgs/acre of O.Kind
Plant milpa block manure material administration time is May 1, and plantation wheatland block manure material administration time is rice cultivation on April 15 plot
Administration time is May 20.
By the carbon coupled mode stable fertilizer that embodiment 1 produces, with the product that carbon source (gamma-polyglutamic acid is not added) is not added
Field comparison test is carried out, long-term cropping is corn, rice and wheat；The composition of embodiment 1 includes urea, urease inhibitor sulphur
Ammonium thiosulfate, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of ATS (Ammonium thiosulphate) are added, can be made thio
The methanol of the volumetric concentration 37% of ammonium sulfate dissolution, 20 parts of gamma-polyglutamic acids.1 composition packet of comparative example compared with Example 1 pair
Urea, urease inhibitor ATS (Ammonium thiosulphate) additive amount are included in terms of 100 parts of urea urine slurries, adds 5 parts of ATS (Ammonium thiosulphate) by implementation
The carbon coupled mode stable fertilizer that example 2 produces, with product (the same reality of remaining composition that carbon source (gamma-polyglutamic acid is not added) is not added
Apply the carbon coupled mode stability nitrogenous fertilizer of the production of example 2) field comparison test is carried out, long-term cropping is corn, rice and wheat；Implement
The composition of example 2 includes urea, urease inhibitor N- butylthiophosphoric triamide, gamma-polyglutamic acid.By 100 parts (in terms of 100 kilograms)
Urea urine slurry meter, adds 5 parts of N- butylthiophosphoric triamide, the volumetric concentration 37% that N- butylthiophosphoric triamide can be made to dissolve
Methanol and 20 parts of gamma-polyglutamic acids.2 composition of comparative example compared with Example 2 pair includes urea, urease inhibitor N- fourth
Base thiophosphoryl triamide additive amount adds 5 parts of N- butylthiophosphoric triamide in terms of 100 parts of urea urine slurries
By the carbon coupled mode stable fertilizer that embodiment 3 produces, with the product that carbon source (gamma-polyglutamic acid is not added) is not added
(remaining forms the carbon coupled mode stability nitrogenous fertilizer produced with embodiment 3) carries out field comparison test, and long-term cropping is corn, water
The composition of rice and wheat embodiment 3 includes urea, urease inhibitor N- butylthiophosphoric triamide, nitrification inhibitor 3,4- bis-
Methylpyrazole phosphate, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of N- butyl thiophosphoryls are added
Triamine, 5 parts of 3,4- dimethyl pyrazole phosphate can make N- butylthiophosphoric triamide and 3, the dissolution of 4- dimethyl pyrazole phosphate
Volumetric concentration 37% methanol and 20 parts of gamma-polyglutamic acids.3 composition of comparative example compared with Example 3 pair include urea,
Urease inhibitor N- butylthiophosphoric triamide, nitrification inhibitor 3,4- dimethyl pyrazole phosphate, additive amount and 3 phase of embodiment
With according to 100 parts of urea urine slurry meters, 5 parts of N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl pyrazole phosphate are added
Test result shows on field crop corn, rice and wheat, coupled carbon-nitrogen dynamics type nitrogenous fertilizer and phase described in this patent
After the corresponding fertilizer product application that carbon source is not added, crop yield is remarkably decreased, and mechanism is to help nitrogen after increasing carbon source
More fixings in the soil, in crop growth later period slow release, need for its growth, support nutrient growth later period and life
Demand of the reproductive growth phase to nitrogen nutrient.
The field comparison test of coupled carbon-nitrogen dynamics type stability nitrogenous fertilizer and the fertilizer product for not adding carbon source
Comparison study example 2
Field comparison test when the additive amount of carbonaceous material is greater than the protection scope upper limit.Administration time is that sowing is (beautiful
Rice and wheat) and transplanting (rice) before make equivalent purity nitrogen 12kg/ mus of base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, water
Rice amount of application is purity nitrogen 15kg/ mus equivalent, and wheat amount of application is purity nitrogen 5kg/ mus equivalent, applies phosphate fertilizer and potash fertilizer together in application
With phosphate fertilizer calcium superphosphate, amount of application converts into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K26 kgs/acre of O.Kind
Plant milpa block manure material administration time is May 1, and plantation wheatland block manure material administration time is rice cultivation on April 15 plot
Administration time is May 20.
According to the carbon coupled mode stability nitrogen manure that embodiment 1 produces, with urea, biochemistry inhibitor, carbon source
The comparison that the product that weight ratio is 1:0.05:1 carries out Field information effect is added, the composition of embodiment 1 includes urea, urase suppression
Preparation ATS (Ammonium thiosulphate), gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of ATS (Ammonium thiosulphate), energy are added
The methanol for the volumetric concentration 37% for dissolving ATS (Ammonium thiosulphate), 20 parts of gamma-polyglutamic acids.With the composition of 1 contrast product of embodiment
For urea, ATS (Ammonium thiosulphate) and gamma-polyglutamic acid, i.e., according to 100 parts of urea and 5 parts of ATS (Ammonium thiosulphate), 100 parts of γ-polyglutamics
Acid carries out proportion and produces contrast product.
According to the carbon coupled mode stability nitrogen manure that embodiment 2 produces, with urea, biochemistry inhibitor, carbon source
The comparison that the product that weight ratio is 1:0.05:1 carries out Field information effect is added, the composition of embodiment 2 includes urea, urase suppression
Preparation N- butylthiophosphoric triamide, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of N- butyl are added
Thiophosphoryl triamide, the methanol and 20 parts of γ-polyglutamics of the volumetric concentration 37% that N- butylthiophosphoric triamide can be made to dissolve
Acid.Become urea, N- butylthiophosphoric triamide and gamma-polyglutamic acid with the group of 2 contrast product of embodiment, i.e., according to 100 parts
Urea and 5 parts of N- butylthiophosphoric triamide, 100 parts of gamma-polyglutamic acids carry out proportion and produce contrast product.
According to the carbon coupled mode stability nitrogen manure that embodiment 3 produces, with urea, biochemistry inhibitor, carbon source
Addition weight ratio is the product of 1:0.1:1 (0.1 part of inhibitor includes 0.05 part of urease inhibitor, 0.05 portion of nitrification inhibitor)
The comparison of Field information effect is carried out, the composition of embodiment 3 includes urea, urease inhibitor N- butylthiophosphoric triamide, nitre
Change inhibitor 3,4- dimethyl pyrazole phosphate, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts are added
N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl pyrazole phosphate, can make N- butylthiophosphoric triamide and 3,4- dimethyl
The methanol and 20 parts of gamma-polyglutamic acids of the volumetric concentration 37% of pyrazoles phosphate dissolution.With the group of the contrast product of embodiment 3
It include urea, urease inhibitor N- butylthiophosphoric triamide at composition, nitrification inhibitor 3,4- dimethyl pyrazole phosphate, i.e.,
It is poly- according to 100 parts of urea and 5 parts of N- butylthiophosphoric triamide, 5 parts of 100 parts of 3,4- dimethyl pyrazole phosphate and 100 parts of γ-
Glutamic acid carries out proportion and produces contrast product.
Carbon source additive amount is more than protection scope at this time.It was found that increasing due to carbon, keeps demand of the microorganism to nitrogen also same
There are many Shi Zenggao, the competition so as to cause Soil Microorganism to nitrogen, and then affect absorption and benefit of the crop to nitrogen
With causing protein content and crop yield to decline.
Carbonaceous material additive amount is more than the field comparison test of the fertilizer of the protection upper limit
Comparison study example 3:
Field comparison test when the additive amount of carbonaceous material is lower than protection scope.Administration time be sowing (corn and
Wheat) and transplanting (rice) before make equivalent purity nitrogen 12kg/ mus of base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, Fertilizer in Rice
Dosage is purity nitrogen 15kg/ mus equivalent, and wheat amount of application is purity nitrogen 5kg/ mus equivalent, applies phosphate fertilizer and potash fertilizer together in application, phosphorus
Fertilizer application calcium superphosphate, amount of application convert into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K26 kgs/acre of O.Plantation is beautiful
Meter block manure material administration time is May 1, plants wheatland block manure material administration time as the application of rice cultivation plot on April 15
Time is May 20.
By embodiment 1 produce carbon coupled mode stable fertilizer, with urea, biochemistry inhibitor, carbon source according to 1:
Contrast product that 0.05:0.01 weight ratio is added carries out field comparison test, and long-term cropping is corn, rice and small
Wheat；This comparative example carbon source additive amount is lower than protection scope lower limit, and the composition of embodiment 1 includes urea, the thio sulphur of urease inhibitor
Sour ammonium, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of ATS (Ammonium thiosulphate) are added, thiosulfuric acid can be made
The methanol of the volumetric concentration 37% of ammonium dissolution, 20 parts of gamma-polyglutamic acids.The composition of contrast product is urea, sulphur ammonium sulfate and γ-
Polyglutamic acid compares the life of product according to the ratio of 100 parts of urea 5 parts of ATS (Ammonium thiosulphate) of addition and 1 part of gamma-polyglutamic acid
It produces.
By example 2 produce carbon coupled mode stable fertilizer, with urea, biochemistry inhibitor, carbon source according to 1:
Contrast product that 0.05:0.01 weight ratio is added carries out field comparison test, and long-term cropping is corn, rice and small
Wheat；This comparative example carbon source additive amount is lower than protection scope lower limit, and long-term cropping is corn, rice and wheat；The composition of embodiment 2
Including urea, urease inhibitor N- butylthiophosphoric triamide, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurries
Meter, adds 5 parts of N- butylthiophosphoric triamide, the methanol for the volumetric concentration 37% that N- butylthiophosphoric triamide can be made to dissolve,
And 20 parts of gamma-polyglutamic acids.The composition of contrast product is urea, N- butylthiophosphoric triamide and gamma-polyglutamic acid, according to
100 parts of urea add 5 parts of thiophosphoric acid triamines and the ratio of 1 part of gamma-polyglutamic acid compares production.
By example 3 produce carbon coupled mode stable fertilizer, with urea, biochemistry inhibitor, carbon source according to 1:
0.1:0.01 (0.1 part of inhibitor includes 0.05 part of urease inhibitor, 0.05 portion of nitrification inhibitor) weight ratio is added
Contrast product carry out field comparison test, long-term cropping is corn, rice and wheat；This comparative example carbon source additive amount is lower than guarantor
Range lower limit is protected, long-term cropping is corn, and the composition of rice and wheat embodiment 3 includes urea, urease inhibitor N- butyl sulphur
For phosphoric triamide, nitrification inhibitor 3,4- dimethyl pyrazole phosphate, gamma-polyglutamic acid.According to 100 parts of ureometers, 5 parts are added
N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl pyrazole phosphate, 20 parts of gamma-polyglutamic acids, the composition of contrast product are urine
Element, N- butylthiophosphoric triamide, 3,4- dimethyl pyrazole phosphate and gamma-polyglutamic acid add 5 parts according to 100 parts of urea
The ratio of N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl pyrazole phosphate and 1 part of gamma-polyglutamic acid compares product
Production.
Test result shows on field crop corn, rice and wheat, coupled carbon-nitrogen dynamics type nitrogenous fertilizer and phase described in this patent
After corresponding carbon source adding proportion is lower than the fertilizer product application of protection scope lower limit, crop yield is remarkably decreased, and illustrates carbon source
Enough carbon source additive amounts are the necessary conditions for guaranteeing crop yield.
Coupled carbon-nitrogen dynamics type stability nitrogenous fertilizer and carbon source additive amount are compared lower than the field of the fertilizer product of protection scope lower limit
Test
Comparison study example 4:
Field comparison test when not adding inhibitor.Administration time is sowing (corn and wheat) and transplanting (rice)
Before make equivalent purity nitrogen 12kg/ mus of base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, Fertilizer in Rice dosage converts into purity nitrogen 15kg/
Mu, wheat amount of application is purity nitrogen 5kg/ mus equivalent, applies phosphate fertilizer and potash fertilizer together in application, phosphate fertilizer calcium superphosphate is applied
Dosage converts into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K26 kgs/acre of O.The maize planting plot fertilizer application time
For May 1, it was May 20 that plantation wheatland block manure material administration time, which is rice cultivation on April 15 plot administration time,.By reality
The carbon coupled mode stable fertilizer for applying the production of example 1 carries out field comparison test kind with the contrast product for not adding inhibitor and plants work
Object is corn, rice and wheat；The composition of embodiment 1 includes urea, urease inhibitor ATS (Ammonium thiosulphate), gamma-polyglutamic acid.With
100 parts of (100 kilograms of meter) urea urine slurry meters, add 5 parts of ATS (Ammonium thiosulphate), the volumetric concentration 37% that ATS (Ammonium thiosulphate) can be made to dissolve
Methanol, 20 parts of gamma-polyglutamic acids.The composition of contrast product is urea, gamma-polyglutamic acid, adds 20 parts according to 100 parts of urea
The ratio of gamma-polyglutamic acid compares the production of product.
By the carbon coupled mode stable fertilizer that embodiment 2 produces, field pair is carried out with the contrast product for not adding inhibitor
It is corn, rice and wheat than test long-term cropping；The composition of embodiment 2 includes urea, the thio phosphorus of urease inhibitor N- butyl
Acyl triamine, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of N- butylthiophosphoric triamide, energy are added
The methanol and 20 parts of gamma-polyglutamic acids for the volumetric concentration 37% for dissolving N- butylthiophosphoric triamide.The composition of contrast product
It is urea, gamma-polyglutamic acid, compares production (this according to the ratio that 100 parts of urea add 20 parts of gamma-polyglutamic acids
Comparative example is identical as the comparative example of embodiment 1).
By the carbon coupled mode stable fertilizer that embodiment 3 produces, field pair is carried out with the contrast product for not adding inhibitor
It is corn, rice and wheat than test long-term cropping.The composition of embodiment 3 includes urea, the thio phosphorus of urease inhibitor N- butyl
Acyl triamine, nitrification inhibitor 3,4- dimethyl pyrazole phosphate, gamma-polyglutamic acid.Additive amount is according to 100 parts of ureometers, addition 5
Part urease inhibitor N- butylthiophosphoric triamide, 5 parts of nitrification inhibitor 3,4- dimethyl pyrazole phosphate, 20 parts of poly- paddy of γ-
The composition of propylhomoserin contrast product is urea, gamma-polyglutamic acid, and the ratio of 20 parts of gamma-polyglutamic acids is added according to 100 parts of urea
Compare production (this comparative example is identical as the comparative example of embodiment 1).
Test result shows on field crop corn, rice and wheat, coupled carbon-nitrogen dynamics type nitrogenous fertilizer and phase described in this patent
The corresponding product for not adding inhibitor finds that crop yield decline illustrates that the advantage of this product is after comparing test
Effective cooperation of carbon and nitrogen, under conditions of not adding inhibitor, nitrogen cannot effectively be regulated and controled, and carbon source also just loses
The meaning of addition
The field comparison test of coupled carbon-nitrogen dynamics type stability nitrogenous fertilizer and the fertilizer product for not adding inhibitor
Comparison study example 5
Field comparison test when the additive amount of inhibitor is greater than the protection scope upper limit.Administration time is sowing (corn
And wheat) and transplanting (rice) before make equivalent purity nitrogen 12kg/ mus of base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, rice
Amount of application is purity nitrogen 15kg/ mus equivalent, and wheat amount of application is purity nitrogen 5kg/ mus equivalent, applies phosphate fertilizer and potash fertilizer together in application,
Phosphate fertilizer calcium superphosphate, amount of application convert into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K26 kgs/acre of O.Plantation
Milpa block manure material administration time is May 1, and plantation wheatland block manure material administration time is that rice cultivation on April 15 plot is applied
It is May 20 with the time.
According to the carbon coupled mode stability nitrogen manure that embodiment 1 produces, with urea, biochemistry inhibitor, carbon source
The comparison that the product that weight ratio is 1:0.2:0.2 carries out Field information effect is added, the composition of embodiment 1 includes urea, urase
Inhibitor ATS (Ammonium thiosulphate), gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of ATS (Ammonium thiosulphate) are added,
The methanol for the volumetric concentration 37% that ATS (Ammonium thiosulphate) can be made to dissolve, 20 parts of gamma-polyglutamic acids.The composition of 1 contrast product of embodiment
For urea, ATS (Ammonium thiosulphate) and gamma-polyglutamic acid, i.e., according to 100 parts of urea and 20 parts of ATS (Ammonium thiosulphate), 20 parts of γ-polyglutamics
Acid carries out proportion and produces contrast product.
According to the carbon coupled mode stability nitrogen manure that embodiment 2 produces, with urea, biochemistry inhibitor, carbon source
The comparison that the product that weight ratio is 1:0.2:0.2 carries out Field information effect is added, the composition of embodiment 2 includes urea, urase
Inhibitor N- butylthiophosphoric triamide, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of N- fourths are added
Base thiophosphoryl triamide, the methanol and 20 parts of γ-polyglutamics of the volumetric concentration 37% that N- butylthiophosphoric triamide can be made to dissolve
Acid.The group of 2 contrast product of embodiment becomes urea, N- butylthiophosphoric triamide and gamma-polyglutamic acid, i.e., urinates according to 100 parts
Element carries out proportion with 20 parts of N- butylthiophosphoric triamide, 20 parts of gamma-polyglutamic acids and produces contrast product.
According to the carbon coupled mode stability nitrogen manure that embodiment 3 produces, with urea, biochemistry inhibitor, carbon source
Addition weight ratio is the product of 1:0.4:0.2 (0.4 part of inhibitor includes 0.2 part of urease inhibitor, 0.2 portion of nitrification inhibitor)
The comparison of Field information effect is carried out, the composition of embodiment 3 includes urea, urease inhibitor N- butylthiophosphoric triamide, nitre
Change inhibitor 3,4- dimethyl pyrazole phosphate, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts are added
N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl pyrazole phosphate, can make N- butylthiophosphoric triamide and 3,4- dimethyl
The methanol and 20 parts of gamma-polyglutamic acids of the volumetric concentration 37% of pyrazoles phosphate dissolution.The contrast product composition packet of embodiment 3
Include urea, urease inhibitor N- butylthiophosphoric triamide, nitrification inhibitor 3,4- dimethyl pyrazole phosphate, i.e., according to 100
Part urea and 20 parts of N- butylthiophosphoric triamide, 20 parts of 3,4- dimethyl pyrazole phosphate and 20 parts of gamma-polyglutamic acids carry out
Proportion produces contrast product.Inhibitor additive amount is more than protection scope at this time.It was found that crop yield has no significant changes, say
There is " saturation " effect, that is, after reaching certain additive amount, be further added by inhibitor additive amount not in bright inhibitor more than after certain limit
It can continue to increase production again, therefore, inhibitor additive amount described in this example is optimum amount.
Coupled carbon-nitrogen dynamics type stability nitrogenous fertilizer and inhibitor additive amount are more than the field pair of the fertilizer product of the protection scope upper limit
Than test
Comparison study example 6:
Field comparison test when the additive amount of inhibitor is lower than protection scope lower limit.Administration time is sowing (corn
And wheat) and transplanting (rice) before make equivalent purity nitrogen 12kg/ mus of base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, rice
Amount of application is purity nitrogen 15kg/ mus equivalent, and wheat amount of application is purity nitrogen 5kg/ mus equivalent, applies phosphate fertilizer and potash fertilizer together in application,
Phosphate fertilizer calcium superphosphate, amount of application convert into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K26 kgs/acre of O.Plantation
Milpa block manure material administration time is May 1, and plantation wheatland block manure material administration time is that rice cultivation on April 15 plot is applied
It is May 20 with the time.
By embodiment 1 produce carbon coupled mode stable fertilizer, with urea, biochemistry inhibitor, carbon source according to 1:
Contrast product that 0.0005:0.2 weight ratio is added carries out field comparison test, and long-term cropping is corn, rice and small
Wheat；This comparative example inhibitor additive amount is lower than protection scope lower limit, and the composition of embodiment 1 includes that urea, urease inhibitor are thio
Ammonium sulfate, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurry meters, 5 parts of ATS (Ammonium thiosulphate) are added, thio sulphur can be made
The methanol of the volumetric concentration 37% of sour ammonium dissolution, 20 parts of gamma-polyglutamic acids.The composition of contrast product is urea, ATS (Ammonium thiosulphate)
And gamma-polyglutamic acid, it is carried out pair according to the ratio that 100 parts of urea add 0.05 part of ATS (Ammonium thiosulphate) and 20 parts of gamma-polyglutamic acids
Than the production of product.
By embodiment 2 produce carbon coupled mode stable fertilizer, with urea, biochemistry inhibitor, carbon source according to 1:
Contrast product that 0.0005:0.2 weight ratio is added carries out field comparison test, and long-term cropping is corn, rice and small
Wheat；This comparative example carbon source additive amount is lower than protection scope lower limit, and long-term cropping is corn, rice and wheat；The composition of embodiment 2
Including urea, urease inhibitor N- butylthiophosphoric triamide, gamma-polyglutamic acid.By 100 parts of (in terms of 100 kilograms) urea urine slurries
Meter, adds 5 parts of N- butylthiophosphoric triamide, the methanol for the volumetric concentration 37% that N- butylthiophosphoric triamide can be made to dissolve,
And 20 parts of gamma-polyglutamic acids.The composition of contrast product is urea, N- butylthiophosphoric triamide and gamma-polyglutamic acid, according to
100 parts of urea add 0.05 part of N- butylthiophosphoric triamide and the ratio of 20 parts of gamma-polyglutamic acids compares production.
By embodiment 3 produce carbon coupled mode stable fertilizer, with urea, biochemistry inhibitor, carbon source according to 1:
0.0005:0.2 (0.0005 part of inhibitor includes 0.00025 part of urease inhibitor, 0.00025 portion of nitrification inhibitor) weight ratio
The contrast product that example is added carries out field comparison test, and long-term cropping is corn, rice and wheat；This comparative example carbon source adds
Dosage is lower than protection scope lower limit, and long-term cropping is corn, and the composition of rice and wheat embodiment 3 includes that urea, urase inhibit
Agent N- butylthiophosphoric triamide, nitrification inhibitor 3,4- dimethyl pyrazole phosphate, gamma-polyglutamic acid.According to 100 parts of urea
Meter, adds 5 parts of N- butylthiophosphoric triamide, 5 parts of 3,4- dimethyl pyrazole phosphate, 20 parts of gamma-polyglutamic acids, contrast product
Composition be urea, N- butylthiophosphoric triamide, 3,4- dimethyl pyrazole phosphate and gamma-polyglutamic acid, urinated according to 100 parts
0.025 part of N- butylthiophosphoric triamide of element addition, 0.025 part of 3,4- dimethyl pyrazole phosphate and 20 parts of gamma-polyglutamic acids
Ratio compare production.Test result shows on field crop corn, rice and wheat, carbon described in this patent
After nitrogen coupled mode nitrogenous fertilizer is applied with corresponding inhibitor adding proportion lower than the fertilizer product of protection scope lower limit, crop yield
It is remarkably decreased, illustrates that enough inhibitor additive amounts are the necessary conditions for guaranteeing crop yield.
Coupled carbon-nitrogen dynamics type stability nitrogenous fertilizer and inhibitor ratio are compared lower than the field of the fertilizer product of protection scope lower limit
Test
Comparison study example 7
It chooses biochemistry inhibitor and carbonaceous material except protection scope and carries out field comparison test.Administration time is
Base fertilizer one-time use corn plot amount of application of nitrogen fertilizer, which is made, before sowing (corn and wheat) and transplanting (rice) converts into purity nitrogen
12kg/ mus, Fertilizer in Rice dosage is purity nitrogen 15kg/ mus equivalent, and wheat amount of application is purity nitrogen 5kg/ mus equivalent, in application by phosphate fertilizer and potassium
Fertilizer is applied together, and phosphate fertilizer calcium superphosphate, amount of application converts into P2O58 kgs/acre, Potassium Fertilizer potassium chloride converts into K2O 6 is public
Pound/acre.The maize planting plot fertilizer application time is May 1, plants wheatland block manure material administration time as the plant of kind on April 15
Rice plot administration time is May 20.
Biochemistry inhibitor chooses n-propyl thiophosphoryl triamide, and 3,5- dimethyl pyrazole, it is poly- that carbonaceous material chooses L-
They are combined use with carbonaceous material L- polyglutamic acid by glutamic acid this comparative example of.L- polyglutamic acid is that the application is protected
The isomer of the carbonaceous material gamma-polyglutamic acid of shield is that glutamic acid monomer passes through made of different combining form condensations.
Find that, when carbonaceous material is changed to L- polyglutamic acid, soil nitrogen reserved is significant by the field test results of this comparative example
It reduces, and shows aerial part, crop yield is also remarkably decreased.
The product form compared with embodiment 1 is 100 parts of urea, add 5 parts of n-propyl thiophosphoryl triamides and
20 parts of L- polyglutamic acids；
The product form compared with embodiment 2 is 100 parts of urea, add 5 parts of n-propyl thiophosphoryl triamides and
20 parts of L- polyglutamic acids；
The product form compared with embodiment 3 is 100 parts of urea, adds 5 parts of n-propyl thiophosphoryl triamides, 5
Part 3,5- dimethyl pyrazole and 20 parts of L- polyglutamic acids.
The result of comparative experiments 7 illustrates to play set in the substance except using herein described carbonaceous material
Function, also illustrate herein described product it is critical that nitrogen source, biochemistry inhibitor and carbonaceous material in soil
In work in coordination.
Claims (4)
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Application publication date: 20190118 |