CN106116985A - A kind of long-acting nitrogen fertilizer containing nitrogen-fixing microorganism and preparation method thereof - Google Patents
A kind of long-acting nitrogen fertilizer containing nitrogen-fixing microorganism and preparation method thereof Download PDFInfo
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- CN106116985A CN106116985A CN201610474619.5A CN201610474619A CN106116985A CN 106116985 A CN106116985 A CN 106116985A CN 201610474619 A CN201610474619 A CN 201610474619A CN 106116985 A CN106116985 A CN 106116985A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- 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
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- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- 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
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Abstract
The present invention relates to a kind of long-acting nitrogen fertilizer containing nitrogen-fixing microorganism, it is prepared from by the raw material including following weight portion: carbamide 45～60 parts, urease inhibitor lixiviating solution 2～6 parts, humic acids 15～30 parts, aminoacid powder 10～20 parts, nitrification inhibitor lixiviating solution 4～8 parts, aminoacids solution 4～8 parts, microbial germ powder 0.5～1.5 parts, polyglutamic acid 0.08～0.4 part, poly-glucosamine 3.6～7.6 parts.Nitrogenous fertilizer of the present invention, nitrogen-fixing microorganism is combined with urease inhibitor with nitrification inhibitor, and the many factors of these regulation and control N immobilization and release with the proportioning of science and is wrapped up level compounded combination, Effective Regulation Nitrogen releasing, it is ensured that nitrogen is long-acting, effective.
Description
Technical field
The present invention relates to fertilizer field, be specifically related to a kind of long-acting nitrogen fertilizer containing peplos nitrogen-fixing microorganism and preparation side thereof
Method.
Background technology
Grain in China crop utilization rate of nitrogen fertilizer average out to about 35%, compared with the utilization rate of nitrogen fertilizer of developed country 50%,
Low 15 percentage points.The main cause that utilization rate of nitrogen fertilizer is the highest is the volatilization loss of ammonium nitrogen and the leaching loss of nitrate nitrogen and anti-nitre
Change effect is caused.Select slow (long-acting) fertilizer can improve utilization rate of fertilizer to a certain extent.Slow-release fertilizer be by
Granular nitrogen fertilizer surface parcel thin film so that it is soluble nitrogen gradually discharges, and absorbs for crop, reduces nitrogen and damages
Lose.But owing to it is expensive, subject is mainly industrial crops.
In the research of slow-release nitrogen fertilizer, most urease inhibitors using chemosynthesis and nitrification inhibitor (documents:
CN 1522993 A), delay carbamide to convert in soil and reduce ammonium fertilizer (ammonium hydrogen carbonate etc.) to enter soil because of nitrification
The leaching loss acted on and produce, the rate of release of regulation different shape nitrogenous fertilizer (ammonium nitrogen, nitrate nitrogen) nutrient, slow release effect is preferable,
But the effect of this technology is not ideal enough, be still significantly improved space.
Summary of the invention
(1) technical problem
There is the dissatisfactory defect of effect for slow-release nitrogen fertilizer of the prior art, the present invention provides a kind of micro-containing fixed nitrogen
Biological long-acting nitrogen fertilizer.
(2) technical scheme
Long-acting nitrogen fertilizer of the present invention, is prepared from by the raw material including following weight portion: carbamide 45～60 parts, urase
Inhibitor lixiviating solution 2～6 parts, humic acids 15～30 parts, aminoacid powder 10～20 parts, nitrification inhibitor lixiviating solution 4～8 parts, ammonia
Base acid solution 4～8 parts, microbial germ powder 0.5～1.5 parts, polyglutamic acid 0.08～0.4 part, poly-glucosamine 3.6～7.6 parts.
Weight portion of the present invention can be the unit of weight that g, kg etc. are conventional.
In the present invention, described urease inhibitor is the water extract of plant leaf blade dry powder, and described plant is Herba Antenoronis Neofiliformis, winter
One or more in green grass or young crops, persimmon, Semen Ginkgo, Herba Albiziae, peach tree；
The extracting method of described urease inhibitor is according to blade dry powder: the ratio mix homogeneously of water=1:2～4,60～
80 DEG C of extractions 3～5h, filter and retain filtrate.
The granularity of described dry powder is 50-100 mesh, and this leach extraction method can be effectively retained original active component in blade, institute
Obtaining urease inhibitor is natural active matter, and containing the functional group of multiple suppression urase, especially phenolic compound is more, green ring
Protecting, activity is high.
The comparison of ingredients of above urease inhibitor lixiviating solution is complicated, and the concentration of phenolic compound is higher after testing.And phenols
Compound mainly acts on the sulfydryl significant to urease activity, and the oxidized dehydrogenation of-SH base of half Guang amide forms S-S
Light aminoacyl, thus reduce the activity of urase.After testing, above lixiviating solution to the suppression ratio of urase all more than 40%.
In the present invention, described nitrification inhibitor is one or more the blade dry powder in Herba Menthae, bracketplant, Radix Notoginseng and Fructus Citri tangerinae
Water extract.
The extracting method of described nitrification inhibitor is blade dry powder: the ratio mix homogeneously of water=1:2～4,60～80 DEG C
Extraction 3～5h, filters and retains filtrate.
The granularity of described dry powder is 50-100 mesh.This leach extraction method can be effectively retained original active component in blade, institute
Obtaining nitrification inhibitor is natural active matter, environmental protection, and activity is high.
The composition of above nitrification inhibitor lixiviating solution is the most complex, predominantly aromatic compound, including alcohols, phenol
Class, aldehydes, ketone and flavonoid, esters, terpenes and sesquiterpene, alkaloid and tannin etc..After testing, the nitre of above lixiviating solution
Change suppression ratio more than 50%.
In the present invention, the content of the organic butt in described humic acids is 80～more than 85%.Add above humic acids
Crop development can be promoted, strengthen crop anti-adversity ability, promote the formation of soil aggregate, regulate soil acidity or alkalinity, improve soil
Earth water conservation fertilizer-preserving ability.
In the present invention, the content of described aminoacid powder Glutamic Acid is 45～55%.Add content of glutamic acid be 45～
The aminoacid powder of 55% can protect root hair, stimulates root system development, balanced soil acid-base value.
In the present invention, the mass fraction of described aminoacids solution Glutamic Acid is 4%-6%, and the mass fraction of auxiliary propylhomoserin is
1.5%-3.0%, the mass fraction of alanine is 0.8%-1.5%；More than plant amino acid and can promote seed germination, improve and support
Divide utilization rate, improve crop yield.
TOC more than 35% in described aminoacids solution；
In the present invention, the microorganism in described microbial germ powder is azotobacter chroococcum (Azotobacter
Chroococcum) one or both and in brown spontaneous nitrogen bacterium (A.vinelanii)；Both microorganisms can independently be entered
The microorganism of row fixed nitrogen, and auxin can be secreted, promote growth and the growth of fruit of plant, improve the yield of crop.
Nitrogenous fertilizer of the present invention, its structure is spherical particle, and described spherical particle includes the most closely phase
Kernel, outer core and the microbial inoculum coating layer of patch；The component of described kernel is carbamide, humic acids and the mixing of urease inhibitor extracting solution
Thing；The component of described outer core is humic acids, aminoacid powder and the mixture of nitrification inhibitor extracting solution；Described inoculum agent coating layer
The mixture that component is microbial bacterial agent, poly-glucosamine, polyglutamic acid and aminoacids solution.Nitrogenous fertilizer is prepared as spherical knot
Structure, the carbamide of interior nuclear material, under the effect of urease inhibitor, is slowly converting to ammonium nitrogen, reaches the effect of slow release；Outer core thing
Material, under the effect of nitrification inhibitor, controls the nitrogen conversion to nitrate nitrogen, delays the time that utilizes of nitrogen further, and strengthening is slow
Release effect.It addition, the nitrogen-fixing microorganism of outer core constantly fixes nitrogen, improve the content of available nitrogen.By kernel to outer core
Set, corresponding with the conversion science of nitrogen, control layer by layer, reduce nitrogen loss, improve nitrogen utilization efficiency.
It is a further object of the present invention to provide the preparation method of nitrogenous fertilizer of the present invention, comprise the steps:
(1) preparation of kernel: by agramon, part humic acids mix homogeneously, sprays urease inhibitor extract wherein
Rear pelletize, selects diameter granule within 1-2mm as kernel；
(2) preparation of outer core: humic acids, aminoacid powder and kernel mix homogeneously will be remained, spray nitrification suppression wherein
Pelletize after agent lixiviating solution；
(3) preparation of microbial inoculum coating layer: by microbial germ powder, poly-glucosamine, polyglutamic acid and outer core mix homogeneously,
Spray pelletize after aminoacids solution wherein, select granularity at the granule of 4～4.75mm, obtain described long-acting nitrogen fertilizer.
(3) beneficial effect
Long-acting nitrogen fertilizer of the present invention, has the advantages that
(1) nitrogen-fixing microorganism is combined with urease inhibitor by this technology with nitrification inhibitor, and these are regulated and controled nitrogen
The fixing many factors with release is with the proportioning of science and parcel level compounded combination, Effective Regulation Nitrogen releasing, it is ensured that nitrogen
Element is long-acting, effective.
(2) urease inhibitors that this technology is selected and nitrification inhibitor derive from natural plants blade, pollution-free, and coordinate
Granulation of fertilizer process, in the sequential different pelletize aspects being sprayed to granule, regulating effect is good.
(3) this technology adds poly-glucosamine, provides good sunival material nutrition, polyglutamic acid simultaneously for microorganism
Water retaining function can ensure to be formed around the microcell of beneficially microbial growth at root system, strengthen effect.
(4) long-acting nitrogen fertilizer prepared by this technology is environmentally friendly product, can be effectively improved soil microenvironment, improves
Crop anti-adversity ability, is effectively improved crop quality, reduces water, soil, the pollution of gas, really realizes the ecological agriculture.
(5) this technical research analysis and great many of experiments have selected specific raw material, and control the proportioning of described raw material, each former
Between material, function does not weakens, successfully solve product function Synergistic and amplify play, it is ensured that product long-acting all
Even stable, it is sufficient to realize the advantage of above-mentioned fertilizer.
In a word, the art of this patent, by two kinds of natural urease inhibitors and nitrification inhibitor, combines with nitrogen-fixing microorganism,
Adjust fertilizer acid-base value simultaneously, strengthen water-retaining property, regulate and control nitrogenous fertilizer rate of release, slow-release nitrogen fertilizer is improved, improve slow release effect
Really.Compared with tradition slow-release nitrogen fertilizer, this technology combines the release rule of nitrogen, nitrogen-fixing microorganism, urease inhibitors, nitrification is pressed down
The material of the regulation and control Nitrogen releasing such as preparation is combined with the particle encapsulation level of the proportioning of more science, more science, it is ensured that
Nitrogen is long-acting, effective.Meanwhile, functional collaboration thing, such as polyglutamic acid, poly-glucosamine and polyglutamic acid, a side are added
The acid-base value of face regulation granule, on the other hand provides good survival matrix nutrition for nitrogen-fixing microorganism, and ensures around root system
It is formed with the microcell of beneficially microbial growth, strengthens effect, it is ensured that effective viability of microorganism.
Accompanying drawing explanation
Fig. 1 is the preparation method flow chart of long-acting nitrogen fertilizer of the present invention；
Fig. 2 is the rate of release figure of nitrogen；
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.If not specializing, embodiment
In the conventional means that is well known to those skilled in the art of technological means used, raw materials used be commercial goods.Embodiment
In the percentage sign " % " that relates to, if not specified, refer to mass percent.
Raw material prepares:
Carbamide of the present invention commercially available Yushan Hill coal open fire Chemical Group company limited of the Eastern Jin Dynasty or be purchased from Shandong alliance chemical industry stock
Part company limited；
In following example, the plant leaf blade containing urease inhibitor includes Herba Antenoronis Neofiliformis, Ilicis Purpureae, persimmon, Semen Ginkgo, Herba Albiziae, Fructus Persicae
Tree；Wherein Herba Antenoronis Neofiliformis picking leaves sheet picks up from academy of agricultural sciences of Yantai City, peach tree and persimmon blade and picks up from Huang Qian town, Tai'an, Shandong Province Dong Jia
The village, remaining pick up from Fushan District, Yantai City.
Described humic acids is purchased from Jiaokou County Kai Lifeng humic acids processing company limited, product specification: organic 80～85%
(butt).
Described aminoacid powder is purchased from five-pointed star chemical industry business department of Licheng in Jinan city district, and the content of its Glutamic Acid is 45～55%.
The described plant containing nitrification inhibitor is Herba Menthae, bracketplant, Radix Notoginseng and Fructus Citri tangerinae, and wherein Herba Menthae picks up from Fushan, Yantai City
District, bracketplant and Radix Notoginseng pick up from academy of agricultural sciences of Yantai City, and Fructus Citri tangerinae leaf picks up from Yibin, Sichuan.
Described aminoacids solution is purchased from Yantai Hong Yuan bio-feritlizer company limited, product index: described aminoacids solution two-story valley ammonia
The mass fraction of acid is 4%-6%, and the mass fraction of auxiliary propylhomoserin is 1.5%-3.0%, and the mass fraction of alanine is 0.8%-
1.5%；TOC more than 35%.
Described strain is provided by microorganism National Key Laboratory of Shandong University.Mycopowder living bacteria count 10,000,000,000/g with
On.
Polyglutamic acid finished product of the present invention is purchased from Yantai Yu Guo agricultural science and technology company limited.Specification: polyglutamic acid content 4
～10%.
Described poly-glucosamine finished product is purchased from Bo Zhihui power bio tech ltd, Qingdao, specification: content be 90～
95%.
Embodiment 1
The present embodiment relates to long-acting nitrogen fertilizer of the present invention, the raw material including following weight portion be prepared from:
50 parts of carbamide, urease inhibitor lixiviating solution 4 parts, humic acids 15 parts, aminoacid powder 10 parts, nitrification inhibitor lixiviating solution
6 parts, aminoacids solution 6 parts, microbial germ powder 1 part, polyglutamic acid finished product 3 parts, poly-glucosamine finished product 5 parts；
Described urease inhibitor lixiviating solution is Herba Antenoronis Neofiliformis blade dry powder lixiviating solution, after testing, to the suppression ratio of urase is
53%.Described nitrification inhibitor lixiviating solution is bracketplant blade dry powder lixiviating solution, and after testing, Nitrifying inhibition rate is 44%；Described bacterium
Powder is azotobacter chroococcum；
The preparation method of described urease inhibitor lixiviating solution is: the cured leaf sheet of Herba Antenoronis Neofiliformis is crushed to 50 mesh, does by blade
Powder: the ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filter and retain filtrate.
The preparation method of described nitrification inhibitor lixiviating solution is: bracketplant blade is crushed to 50 mesh, by blade dry powder: water=
The ratio mix homogeneously of 20:70,70 DEG C of extraction 4h, filter and retain filtrate.
Long-acting nitrogen fertilizer described in the present embodiment, its structure is spherical particle, and described spherical particle includes the most successively
Kernel, outer core and the microbial inoculum coating layer being closely affixed；The component of described kernel is carbamide, humic acids and urease inhibitor extracting solution
Mixture；The component of described outer core is humic acids, aminoacid powder and the mixture of nitrification inhibitor extracting solution；Described inoculum agent
The component of peplos is microbial bacterial agent, poly-glucosamine finished product, polyglutamic acid finished product and the mixture of aminoacids solution.
The present embodiment also provides for the preparation method of above-mentioned long-acting nitrogen fertilizer, comprises the following steps (Fig. 1 is shown in by its schematic diagram):
(1) preparation of kernel: by 50 parts of carbamide, 10 parts of mix homogeneously of humic acids, at the interior nuclear material of described mix homogeneously
The upper sprinkling plant leaf blade lixiviating solution 4 parts containing urease inhibitor, sieves after pelletize, retains granularity granule within 1-2mm；
(3) preparation of outer nuclear material: after outer nuclear material humic acids 5 parts and aminoacid powder 10 parts of mix homogeneously, with pelletize
Interior nuclear material mixing；Spray the plant leaf blade lixiviating solution 6 parts containing nitrification inhibitor, pelletize.
(3) preparation of microbial inoculum coating layer: by microbial germ powder 1 part, poly-glucosamine finished product 5 parts, polyglutamic acid finished product 3
Part mix homogeneously, mixes with the granule after pelletize, sprays 6 parts of pelletizes of aminoacids solution, screening, retains granularity within 4.75mm
Granule.
Embodiment 2
The present embodiment relates to long-acting nitrogen fertilizer of the present invention, the raw material including following weight portion be prepared from:
45 parts of carbamide, urease inhibitor lixiviating solution 4 parts, humic acids 15 parts, aminoacid powder 14 parts, nitrification inhibitor lixiviating solution
5 parts, aminoacids solution 6 parts, microbial germ powder 1 part, polyglutamic acid finished product 4 parts, poly-glucosamine finished product 6 parts.
Described urease inhibitor lixiviating solution is Semen Ginkgo and Herba Albiziae blade dry powder lixiviating solution, after testing, the suppression ratio to urase
It is 48%.Described nitrification inhibitor lixiviating solution is Herba Menthae and Radix Notoginseng blade dry powder lixiviating solution, and after testing, Nitrifying inhibition rate is
42%.Described mycopowder is brown spontaneous nitrogen bacterium.
The preparation method of described urease inhibitor lixiviating solution is: mix, Semen Ginkgo and Herba Albiziae leaf 1:1 in mass ratio by described
Cured leaf sheet is crushed to 50 mesh, in blade dry powder: the ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filters and retains filtrate.
The preparation method of described nitrification inhibitor lixiviating solution is: Herba Menthae and Radix Notoginseng blade 1:1 is in mass ratio mixed, pulverizes
To 50 mesh, in blade dry powder: the ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filter and retain filtrate.
Long-acting nitrogen fertilizer of the present invention, its structure is spherical particle, and described spherical particle includes the tightest
Close kernel, outer core and the microbial inoculum coating layer being affixed；The component of described kernel is carbamide, humic acids and urease inhibitor extracting solution
Mixture；The component of described outer core is humic acids, aminoacid powder and the mixture of nitrification inhibitor extracting solution；Described inoculum agent bag
The component of film is microbial bacterial agent, poly-glucosamine finished product, polyglutamic acid finished product and the mixture of aminoacids solution.
Contain the preparation method of the long-acting nitrogen fertilizer of peplos nitrogen-fixing microorganism described in the present embodiment, comprise the following steps:
(1) preparation of kernel: by 45 parts of carbamide, 10 parts of mix homogeneously of humic acids；Spray the leaves of plants containing urease inhibitor
Sheet lixiviating solution 4 parts sieves after carrying out pelletize, retains granularity granule within 1-2mm.
(2) preparation of outer core: in after outer nuclear material humic acids 5 parts and aminoacid powder 14 parts of mix homogeneously, with pelletize
Nuclear material mixes, and sprays the plant leaf blade lixiviating solution 5 parts containing nitrification inhibitor, pelletize.
(3) preparation of microbial inoculum coating layer: by microbial germ powder 1 part, poly-glucosamine finished product 6 parts, polyglutamic acid finished product 4
Part mix homogeneously, mixes with the granule after pelletize, sprays 6 parts of pelletizes of aminoacids solution, screening, retains granularity within 4.75mm
Granule.
Embodiment 3
The present embodiment relates to long-acting nitrogen fertilizer of the present invention, the raw material including following weight portion be prepared from:
45 parts of carbamide, urease inhibitor lixiviating solution 4 parts, humic acids 20 parts, aminoacid powder 10 parts, nitrification inhibitor lixiviating solution
5 parts, aminoacids solution 5 parts, microbial germ powder 1 part, polyglutamic acid finished product 4 parts, poly-glucosamine finished product 6 parts.
Described urease inhibitor lixiviating solution is peach tree and persimmon blade dry powder lixiviating solution, after testing, the suppression ratio to urase
It is 45%.Described nitrification inhibitor lixiviating solution is Fructus Citri tangerinae blade dry powder lixiviating solution, and after testing, Nitrifying inhibition rate is 46%.Described
Mycopowder is brown spontaneous nitrogen bacterium.
Described urease inhibitor lixiviating solution is peach tree and persimmon blade dry powder lixiviating solution, after testing, the suppression ratio to urase
It is 45%.Described nitrification inhibitor lixiviating solution is Fructus Citri tangerinae blade dry powder lixiviating solution, and after testing, Nitrifying inhibition rate is 46%.Described
Mycopowder is brown spontaneous nitrogen bacterium.
The preparation method of described urease inhibitor lixiviating solution is: mix, peach tree and leaf of Diospyros kaki L.f. 1:1 in mass ratio by described
Cured leaf sheet is crushed to 100 mesh, in blade dry powder: the ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filters and retains filtrate.
The preparation method of described nitrification inhibitor lixiviating solution is: Fructus Citri tangerinae cured leaf sheet is crushed to 100 mesh, by blade dry powder:
The ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filter and retain filtrate.
Long-acting nitrogen fertilizer of the present invention, its structure is spherical particle, and described spherical particle includes the tightest
Close kernel, outer core and the microbial inoculum coating layer being affixed；The component of described kernel is carbamide, humic acids and urease inhibitor extracting solution
Mixture；The component of described outer core is humic acids, aminoacid powder and the mixture of nitrification inhibitor extracting solution；Described inoculum agent bag
The component of film is microbial bacterial agent, poly-glucosamine finished product, polyglutamic acid finished product and the mixture of aminoacids solution.The present embodiment
The preparation method of the described long-acting nitrogen fertilizer containing peplos nitrogen-fixing microorganism, comprises the following steps:
(1) preparation of kernel: by 45 parts of interior nuclear material carbamide, 10 parts of mix homogeneously of humic acids；Spray containing urease inhibitor
Plant leaf blade lixiviating solution 4 parts carry out sieving after pelletize, retain granularity granule within 1-2mm.
(2) preparation of outer core: in after outer nuclear material humic acids 10 parts and aminoacid powder 10 parts of mix homogeneously, with pelletize
Nuclear material mixes.Spray the plant leaf blade lixiviating solution 5 parts containing nitrification inhibitor, pelletize.
(3) microbial inoculum peplos: by microbial germ powder 1 part, poly-glucosamine finished product 6 parts, polyglutamic acid finished product 4 parts mixing all
Even, mix with the granule after pelletize, spray 5 parts of pelletizes of aminoacids solution, screening, retain granularity granule within 4.75mm.
Embodiment 4
The present embodiment relates to long-acting nitrogen fertilizer of the present invention, the raw material including following weight portion be prepared from:
45 parts of carbamide, urease inhibitor lixiviating solution 4 parts, humic acids 20 parts, aminoacid powder 10 parts, nitrification inhibitor lixiviating solution
5 parts, aminoacids solution 5 parts, microbial germ powder 1 part, polyglutamic acid finished product 4 parts, poly-glucosamine finished product 6 parts.
Described urease inhibitor lixiviating solution is Ilicis Purpureae dry powder lixiviating solution, and after testing, the suppression ratio to urase is 40%.Described
Nitrification inhibitor lixiviating solution is Herba Menthae blade dry powder lixiviating solution, and after testing, Nitrifying inhibition rate is 41%.Described mycopowder is brown solid for circle
Nitrogen bacterium and brown spontaneous nitrogen bacterium, consumption everybody 0.5 part.
The preparation method of described urease inhibitor lixiviating solution is: the cured leaf sheet of Ilicis Purpureae is crushed to 100 mesh, blade dry powder:
The ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filter and retain filtrate.
The preparation method of described nitrification inhibitor lixiviating solution is: the cured leaf sheet of Herba Menthae is crushed to 100 mesh, blade dry powder:
The ratio mix homogeneously of water=20:70,70 DEG C of extraction 4h, filter and retain filtrate.
Long-acting nitrogen fertilizer of the present invention, its structure is spherical particle, described spherical particle includes the tightest
Close kernel, outer core and the microbial inoculum coating layer being affixed；The component of described kernel is carbamide, humic acids and urease inhibitor extracting solution
Mixture；The component of described outer core is humic acids, aminoacid powder and the mixture of nitrification inhibitor extracting solution；Described inoculum agent bag
The component of film is microbial bacterial agent, poly-glucosamine finished product, polyglutamic acid finished product and the mixture of aminoacids solution.The present embodiment
The preparation method of the described long-acting nitrogen fertilizer containing peplos nitrogen-fixing microorganism, comprises the following steps:
(1) preparation of kernel: by 45 parts of interior nuclear material carbamide, 10 parts of mix homogeneously of humic acids, sprays containing urease inhibitor
Plant leaf blade lixiviating solution 4 parts carry out sieving after pelletize, retain granularity granule within 1-2mm.
(2) preparation of outer core: in after outer nuclear material humic acids 10 parts and aminoacid powder 10 parts of mix homogeneously, with pelletize
Nuclear material mixes.Spray the plant leaf blade lixiviating solution 5 parts containing nitrification inhibitor, pelletize.
(3) preparation of microbial inoculum coating layer: by microbial germ powder 1 part, poly-glucosamine finished product 6 parts, polyglutamic acid finished product 4
Part mix homogeneously, mixes with the granule after pelletize, sprays 5 parts of pelletizes of aminoacids solution, screening, retains granularity within 4.75mm
Granule.
Embodiment 5
The present embodiment relates to long-acting nitrogen fertilizer of the present invention, and compared with Example 1, difference is, by including following weight
The raw material of amount part is prepared from:
60 parts of carbamide, urease inhibitor lixiviating solution 6 parts, humic acids 30 parts, aminoacid powder 10 parts, nitrification inhibitor lixiviating solution
8 parts, aminoacids solution 8 parts, microbial germ powder 1.5 parts, polyglutamic acid finished product 4 parts, poly-glucosamine finished product 8 parts.
Application examples 1
Utilize water seaoning that fertilizer is carried out Nitrogen releasing test.
Weigh embodiment 1 (nitrogen content 23%), embodiment 2 (nitrogen content 20.7%), ureaformaldehyde (nitrogen content 38%) and general
Logical big grain carbamide (nitrogen content 46%) each 100g, is respectively placed in nylon net bag, in leaching container, adds 200mL deionized water, permanent
Incubator is cultivated under the conditions of 25 DEG C.Took out in 4 containers respectively at the 1st, 2,5,7,10,15,20,28,42,60 and 100 days time
Leachate, take out each time and add 200mL deionized water again after leachate, continue to soak.Employing paradime thylaminobenzaldehyde-
CO (NH in each leachate of spectrophotometry2)2-N content.
As shown in Figure 2, common big grain carbamide first half of the month the most linearly discharges, and the most somewhat relaxes, but release rate is still
So it is significantly larger than slow-release carbamide, and at about 15 days release rates already close to 90%；Ureaformaldehyde and embodiment 1, embodiment 2 are front
Within 10 days, a quick release phase all occur, within 10-28 days, tend to relaxing, rate of release is accelerated again afterwards, only remains the nitrogen of 15% and exists
Release after 100 days, after 42 days, embodiment 1, the rate of release of embodiment 2 are less than the rate of release of ureaformaldehyde, remain 30%
Nitrogen can continue after 100 days release, the nutrient demand in crop later stage can be met.
Application examples 2
The potted plant fertilizer efficiency of Oryza sativa L. is tested
Test uses high 30cm, the plastic tub of a diameter of 25cm carries Oryza sativa L., totally 3 basin, every basin dress 8kg soil.Weigh phosphorus respectively
Fertile, each 3g of potash fertilizer is uniformly mixed in every basin soil, then weighs common big grain carbamide, ureaformaldehyde, three kinds of nitrogenous fertilizer of embodiment 3～4
It is in 7cm and 16.5cm soil that each 3g imposes on the degree of depth respectively, and according to every basin three cave, the quantity in three, every cave is transplanted, final singling
After water, routine observation.
Observed result: tillering stage, every basin paddy growth not the biggest difference, after the jointing stage, common big grain Urea treatment group
Oryza sativa L. growing way the most poor, reason is that carbamide release is too fast, cannot meet the growth of later stage Oryza sativa L., ureaformaldehyde and enforcement
The Oryza sativa L. of example 3 each process group, in jointing stage, boot stage and milk stage early stage, grows situation basic simlarity, but at Oryza sativa L. milking maturity
After date phase and full ripe stage, the Oryza sativa L. growing way of embodiment 3 process group is substantially better than ureaformaldehyde process group, the slow release of embodiment 3 is described
Effect is substantially better than single ureaformaldehyde product.Producing through surveying, the rice yield of embodiment 3 process group is than the water of ureaformaldehyde process group
Rice yield exceeds 4%, exceeds 9% than the yield of common big grain Urea treatment group.By such scheme, embodiment 4 is tested,
The rice yield of embodiment 4 fertilising exceeds 3.8% than the rice yield of ureaformaldehyde process group, than common big grain Urea treatment group
Yield exceeds 10%.
Application examples 3:
Trial crops: Semen Tritici aestivi
Experiment place: the Zhang Ge village, Fushan, Yantai
Subjects:
(1) embodiment 4 fertilizer；
(2) fertilizer described in documents CN 1522993A；
(3) blank group.
Test method:
Every kind of fertilizer Fen Sange community is carried out, and each plot area is 100m2.Early stage soil base manure all uses test described
The fertile dose of test is 100kg/ mu.In tillering stage in later stage, topdressing 1 time, kind of topdressing is that organic-inorganic compound fertilizer (advise by product
Lattice: 12-8-10, organic >=20%；Production unit: Shandong Baoyuan Biology Co., Ltd), dose is 50kg/ mu.
Experimental result:
Embodiment 4 fertilizer, Caulis et Folium Tritici aestivi is neat, Miao Zhuan, and yield is high, for 588kg/ mu, respectively than the fertilizer described in documents 1
4% and 8% is exceeded with blank.
Although, used general explanation, detailed description of the invention and test, the present invention made detailed retouching
Stating, but on the basis of the present invention, can make some modifications or improvements it, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Scope.
Claims (10)
1. the long-acting nitrogen fertilizer containing nitrogen-fixing microorganism, it is characterised in that be prepared from by the raw material including following weight portion: urine
Element 45～60 parts, urease inhibitor lixiviating solution 2～6 parts, humic acids 15～30 parts, aminoacid powder 10～20 parts, nitrification inhibitor
Lixiviating solution 4～8 parts, aminoacids solution 4～8 parts, microbial germ powder 0.5～1.5 parts, polyglutamic acid 0.08～0.4 part, poly-amino Portugal
Grape sugar 3.6～7.6 parts.
Long-acting nitrogen fertilizer the most according to claim 1, it is characterised in that described urease inhibitor is Herba Antenoronis Neofiliformis, Ilicis Purpureae, Fructus Kaki
The water extract of one or more the blade dry powder in tree, Semen Ginkgo, Herba Albiziae, peach tree.
Long-acting nitrogen fertilizer the most according to claim 2, it is characterised in that the extracting method of described urease inhibitor is according to leaf
The ratio mix homogeneously of sheet dry powder: water=1:2～4,60～80 DEG C of extractions 3～5h.
4. according to the long-acting nitrogen fertilizer described in claim 1 or 3, it is characterised in that described nitrification inhibitor be Herba Menthae, bracketplant, three
Seven and Fructus Citri tangerinae in the water extract of one or more blade dry powder.
Long-acting nitrogen fertilizer the most according to claim 4, it is characterised in that the extracting method of described nitrification inhibitor is according to leaf
The ratio mix homogeneously of sheet dry powder: water=1:2～4,60～80 DEG C of extractions 3～5h.
Long-acting nitrogen fertilizer the most according to claim 1 or 5, it is characterised in that the content of described aminoacid powder Glutamic Acid is
45～55%.
Long-acting nitrogen fertilizer the most according to claim 6, it is characterised in that the mass fraction of described aminoacids solution Glutamic Acid is
4%-6%, the mass fraction of auxiliary propylhomoserin is 1.5%-3.0%, and the mass fraction of alanine is 0.8%-1.5%.
8. according to the long-acting nitrogen fertilizer described in claim 1 or 7, it is characterised in that the microorganism in described microbial germ powder is circle
One or both in brown nitrogen-fixing bacteria (Azotobacter chroococcum) and brown spontaneous nitrogen bacterium (A.vinelanii).
Long-acting nitrogen fertilizer the most according to claim 1, it is characterised in that described long-acting nitrogen fertilizer is spherical particle, described spherical
Granule includes kernel, outer core and the microbial inoculum coating layer being the most closely affixed；The component of described kernel is that carbamide, corruption are planted
Acid and the mixture of urease inhibitor extracting solution；The component of described outer core is that humic acids, aminoacid powder and nitrification inhibitor extract
The mixture of liquid；The component of described inoculum agent coating layer is microbial bacterial agent, poly-glucosamine, polyglutamic acid and aminoacids solution
Mixture.
10. the long-acting nitrogen fertilizer preparation method described in any one of claim 1～9, it is characterised in that comprise the steps:
(1) preparation of kernel: by agramon, part humic acids mix homogeneously, makes after spraying urease inhibitor extract wherein
Grain, selects diameter granule within 1-2mm as kernel；
(2) preparation of outer core: humic acids, aminoacid powder and kernel mix homogeneously will be remained, spray nitrification inhibitor leaching wherein
Pelletize after extract, obtains outer core；
(3) preparation of microbial inoculum coating layer: by microbial germ powder, poly-glucosamine, polyglutamic acid and outer core mix homogeneously, at it
Pelletize after middle sprinkling aminoacids solution, selects granularity at the granule of 4～4.75mm, obtains described long-acting nitrogen fertilizer.
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| EP3612506A1 (en) * | 2017-04-19 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor separated within the same particle |
| CN111072429A (en) * | 2019-12-30 | 2020-04-28 | 中盐安徽红四方肥业股份有限公司 | Functional biological organic fertilizer and production method thereof |
| CN112552107A (en) * | 2020-12-10 | 2021-03-26 | 宁夏伊品生物科技股份有限公司 | Organic fertilizer containing gamma-polyglutamic acid, preparation method and application thereof |
| CN113321558A (en) * | 2021-07-09 | 2021-08-31 | 广西壮族自治区农业科学院 | Long-acting nitrogen fertilizer containing nitrogen-fixing microorganisms and preparation method thereof |
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| CN113896605A (en) * | 2021-11-05 | 2022-01-07 | 江西省农业科学院土壤肥料与资源环境研究所 | Composition for inhibiting nitration reaction and fertilizer |
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