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CN106187475A - A kind of crops seedling stage high phosphorus nutrient starts liquid compositions and preparation method and application - Google Patents

A kind of crops seedling stage high phosphorus nutrient starts liquid compositions and preparation method and application Download PDF

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CN106187475A
CN106187475A CN201610543621.3A CN201610543621A CN106187475A CN 106187475 A CN106187475 A CN 106187475A CN 201610543621 A CN201610543621 A CN 201610543621A CN 106187475 A CN106187475 A CN 106187475A
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solution
seedling stage
liquid compositions
stage high
high phosphorus
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CN106187475B (en
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王丽英
史建硕
李若楠
张彦才
任燕利
翟凤芝
孙璇
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INSTITUTE OF AGRICULTURAL RESOURCES AND ENVIRONMENT HEBEI ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES
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INSTITUTE OF AGRICULTURAL RESOURCES AND ENVIRONMENT HEBEI ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G5/00Fertilisers characterised by their form
    • C05G5/20Liquid fertilisers
    • C05G5/23Solutions
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilising, sowing or planting
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Environmental Sciences (AREA)
  • Fertilizers (AREA)

Abstract

The present invention relates to fertilizer field, it is provided that a kind of crops seedling stage high phosphorus nutrient starts liquid compositions, and it is 500 700g/L for total nutrient content, and soluble solid content is less than 50g/L, pH value 3.0 9.0;Described total nutrient content 500 700g/L, wherein the concentration of N is 150 165g/L, P2O5Concentration be 300 310g/L, K2The concentration of O is 50 60g/L, and the concentration sum of Mn, B, Zn three is 18 25g/L.Under conditions of soil phosphorus is relatively low, rhizosphere is used the compositions of the present invention and is quickly started the absorption to phosphorus by crop seedling rhizosphere is set up higher soil phosphorus feed consistency;Under conditions of soil phosphorus accumulates, only rhizosphere is carried out by pouring root phosphate fertilizer supply, thus reduces Phosphorus Fertilizer Rates, alleviate the degree of soil phosphorus accumulation, remarkably promote crop root growth in seedling stage, reduce Phosphorus Fertilizer Rates in seedling stage.

Description

A kind of crops seedling stage high phosphorus nutrient starts liquid compositions and preparation method and application
Technical field
The present invention relates to fertilizer field, particularly relate to a kind of crops seedling stage high phosphorus nutrient and start liquid compositions and preparation thereof Method and application.
Background technology
Northern China grain, fruit and vegetables crop phosphate fertilizer excess put into and cause soil phosphorus accumulation universal, to farmland soil Earth environmental pollution has potential risk.Research shows, the phosphate fertilizer utilization efficiency of northern China facilities vegetable is less than 5%, and phosphate fertilizer is Can not regenerated resources, it is estimated that global existing phosphate rock resource is only capable of maintaining 20 years.Phosphorus nutrients utilization ratio and phosphate fertilizer variety, Application technique method is relevant.In the calacareous soil of the north, phosphorus is the most easily fixed after applying, and effectiveness is substantially reduced.Soil phosphorus Under conditions of contents level is low, the nutrient availability of water soluble phosphorous fertilizer is high, and rhizosphere is quickly formed after using between rhizosphere and root system Soil phophorus Concentraton gradient, beneficially phosphorus to root system surface, improve the root system chemical availability to P acquisition by diffusive migration. Under soil phosphorus accumulation condition, owing to crops seedling stage root system development is weak, not only need the phosphorus storehouse that soil is sufficient, in addition it is also necessary to soil phophorus Element supply reaches certain intensity.Therefore, rhizosphere local execute phosphorus or rhizosphere drip irrigation water soluble phosphorous fertilizer be phosphate fertilizer subtract execute, essence quantifies to execute Important channel.
Research shows, spread fertilizer over the fields with phosphate fertilizer compared with, Maize at Seedling Stage row replacement lateral root number increase by 14.27%, overground part P uptake by plants Increase by 19.78% (Liu Peng etc., 2012).Liquid phosphate fertilizer imposes with water can significantly improve phosphate fertilizer utilization efficiency.At calacareous soil Upper gradation executes phosphate fertilizer with water droplet, can substantially reduce fixing in soil of phosphorus, improve the mobility of phosphorus, effectiveness (Chu Gui is new, 2009).Liquid phosphate fertilizer 100% is executed with water droplet in the way of topdressing and can be significantly improved the phosphorus nourishing of maize growth middle and late stage and carry High yield improves the calacareous soil Semen Maydis absorption and use efficiency to phosphate fertilizer, phosphate fertilizer utilization efficiency up to 40.6% (Zhang Guoqiao etc., 2014).Therefore, rhizosphere is used high phosphorus nutrient startup liquid and had both been reduced phosphate fertilizer fixing in soil, improves again rhizosphere surrounding soil The concentration of phosphorus, improves phosphate fertilizer utilization efficiency.
Seedling stage is the critical period of nutrition of crop P acquisition, and now, root system is little to the absorbtivity of phosphorus, but shows phosphorus deficiency Sensitive.Particularly the growth of crop root in seedling stage is weak, soil phosphorus concentration is low is easily caused wheat seeding phosphorus deficiency, affects root system and children Seedling grows.The soil moisture is low is also the major reason that availability of soil phosphorus is low, at the low temperature season such as early spring or late autumn, and soil Under conditions of earth humidity is higher, the ability of soil mineralization release phosphorus reduces, and nutrient availability is significantly reduced.Therefore, if root Border or between crop root drip irrigation or pouring root height phosphorus concentration water soluble fertilizer, quickly can set up suitable soil phophorus at crop rhizosphere Element concentration, and form the soil phosphorus Concentraton gradient of Rhizosphere and nonrhizosphere, thus stimulate root growth and development, increase root system to phosphorus Absorption rate and absorbtivity, improve the chemical availability of phosphate fertilizer and biological effectiveness, improve phosphate fertilizer utilization efficiency, particularly making Thing seedling stage and low temperature season, rhizosphere is used high phosphorus nutrient startup liquid and is had the latentest in terms of promoting root growth and improving yield Power.
APP (Ammonium Polyphosghate, APP) is that a class chemical composition is similar, structure and character have one The inorganic polymer of fixed difference, white powder, hygroscopicity is strong, nitrogenous, 2 kinds of elements of phosphorus.Between degree of polymerization 3-20 for short chain APP, good water solubility, wherein the degree of polymerization be the APP dissolubility of 11 be 3.62g/100ml water, the degree of polymerization is the polyphosphoric acid of 20 Ammonium dissolubility is 3.52g/100ml (Cui Yishun, 2013).The APP of low polymerization degree 18-46-0 can make 10-34-0's Liquid APP, having low polymerization degree water-soluble poly ammonium phosphate is a kind of high concentration fertilizer with slow and chelation. Venugopalan etc. (1989) are by contrast triple superphosphate (TSP), Diammonium phosphate (DAP) (DAP), nitrophosphate fertilizer (NP), solid APP With the Semen Tritici aestivi manure trial of the fertilizer such as liquid APP, result shows, uses the wheat yield of solid APP higher than phosphorus Acid diammonium and nitrophosphate fertilizer.Holloway etc. (2005) find in fertilizer is tested, and liquid APP is due to other Grain solid fertilizer, First Year uses the former makes corn volume increase 14%, Second Year residual fertilizer efficiency make corn increase production than the latter than the latter 15%.Kovar (2006) studies discovery, imposes on the APP liquid fertilizer of soil surface, and available phosphorus is to the soil mobility degree of depth Up to 15cm.APP has certain sequestering power to metal ion, can add trace element and improve crop fertilizer efficiency.Polyphosphoric acid Ammonium does not contain only orthophosphoric acid root, and possibly together with dimerization, trimerization, four phosphate radicals such as poly-, orthophosphoric acid root can directly be absorbed profit by crop With phosphate radicals such as, dimerization by being absorbed and used by plants after slowly resolving into orthophosphoric acid root in soil.
Poly-aspartate zinc is the water-soluble high-molecular substance of a kind of artificial bionic synthesis, has without phosphorus, nontoxic, nuisanceless With the characteristic of fully biodegradable, it is a kind of internationally recognized " green chemical ".Poly-aspartate zinc because of containing peptide bond and The construction features of carboxyl isoreactivity group, have extremely strong chelating, disperse, the effect such as absorption, and compatibility is splendid.Extensively application In fertilizer synergist.Research shows, poly-aspartate zinc can improve Semen Maydis dry, npk nutrient absorbtivity, on Semen Maydis The addition of Liquid Fertilizer is 1% preferable.Under the conditions of control basin is planted, impose poly-aspartate zinc tri-leaf period at Semen Maydis.Research knot Fruit shows: under drought condition, uses poly-aspartate zinc and can be effectively facilitated the growth of maize seedling roots, increase photosynthetic speed Rate, promotes dry matter weight of aerial parts accumulation, and wherein compared with Osmotic treatment, PASP process makes seedling root length increase by 8.3% respectively, side Radical mesh increases by 14.8%, and photosynthetic rate increases by 1.4%, and total dry weight increases by 12.2%.But due to soil types, quality and work The difference of thing nutrient demand amount, poly-aspartate zinc is as the dosage difference of fertilizer synergist.Therefore, open at high phosphorus nutrient Hydrodynamic adds poly-aspartate zinc and rhizosphere is used, its fertilizer synergistic can be given full play to and promote the dual function of root, improving fertilizer The absorption and use efficiency of material.
Through inquiry, preparation method and this fertilizer of a kind of high molten fertilizer of phosphorous liquid water verify (grandson in the fertilizer efficiency of Wheat Seedling Loyal roc etc., 2014), use potassium nitrate, urea phosphate, carbamide and potassium dihydrogen phosphate, at normal pressure, produce under conditions of room temperature (heating 60 DEG C), and add zinc, boron trace element is prepared for high phosphorus water-soluble fertilizer, and verification the verifying results on wheat seedling.
Summary of the invention
It is an object of the invention to provide a kind of crops seedling stage high phosphorus nutrient and start liquid compositions and preparation method and application.
A kind of crops seedling stage high phosphorus nutrient that the present invention provides starts liquid compositions, and its total nutrient content is 500-700g/L, Soluble solid content is less than 50g/L, pH value 3.0-9.0;Described total nutrient content 500-700g/L, wherein the concentration of N is 150-165g/L, P2O5Concentration be 300-310g/L, K2The concentration of O is 50-60g/L, and the concentration sum of Mn, B, Zn three is 18-25g/L。
Described crops seedling stage high phosphorus nutrient starts liquid compositions, containing carbamide ammonium nitrate solution (UAN solution) in every 1000L 110-130L, APP solution 640-660L, potassium nitrate 110-130kg, boric acid 25-30kg, manganese sulfate monohydrate 10-15kg, Zinc sulphate heptahydrate 50-70kg, poly-aspartate zinc 15-20kg, disodiumedetate 20-25kg, surplus is water.
Described crops seedling stage high phosphorus nutrient start liquid compositions, in the most every 1000L containing carbamide ammonium nitrate solution 120L, APP solution 640L, potassium nitrate 110kg, boric acid 25kg, manganese sulfate monohydrate 10kg, zinc sulphate heptahydrate 60kg, poly-Radix Asparagi ammonia Acid zinc 20kg, disodiumedetate 20kg, surplus is water.
Wherein, described APP solution, for being dissolved in the APP of 576 mass parts in the water of 424 mass parts Arrive.
Described poly-aspartate zinc is solid powder, and molecular weight is 5000-8000.
Described crops seedling stage high phosphorus nutrient starts liquid compositions possibly together with citric acid or sodium citrate.
The present invention also provides for a kind of method preparing described crops seedling stage high phosphorus nutrient startup liquid compositions, and concrete steps are such as Under:
1) preparation APP solution;
2) in proportion UAN solution and APP solution are mixed to get solution A 1, add after A1 is heated to 50-70 DEG C Potassium nitrate, fully dissolves and obtains solution B 1;
3) one by one boric acid, manganese sulfate monohydrate, zinc sulphate heptahydrate are dissolved in solution B 1, adjust with citric acid or sodium citrate PH value is 4.5-5.5, obtains solution C 1;
4) poly-aspartate zinc is completely dissolved in solution C 1, obtains solution D 1;
5) disodiumedetate is added in solution D 1, use water constant volume, be sufficiently stirred for mixing, obtain crops seedling stage high Phosphorus nutrient starts liquid compositions.
The present invention also provides for the another kind of method preparing described crops seedling stage high phosphorus nutrient startup liquid compositions, concrete steps As follows:
1) preparation APP solution;
2) in proportion the potassium nitrate of 60-75% is dissolved in APP solution, obtains solution A 2;
3) one by one boric acid, manganese sulfate monohydrate, zinc sulphate heptahydrate are dissolved in solution A 2, adjust with citric acid or sodium citrate PH value is 4.5-5.5, obtains solution B 2;
4) UAN solution is added in solution B 2, is stirring evenly and then adding into remaining potassium nitrate, after stirring and dissolving, obtain solution C2;
5) poly-aspartate zinc is completely dissolved in solution C 2, obtains solution D 2;
6) disodiumedetate is added in solution D 2, use water constant volume, be sufficiently stirred for mixing, obtain crops seedling stage high Phosphorus nutrient starts liquid compositions.
It is a further object of the present invention to provide described crops seedling stage high phosphorus nutrient and start liquid compositions in crop-planting field Application.
Described application specifically refers to described crops seedling stage high phosphorus nutrient and starts the application on fertilization strategy of the liquid compositions.
The invention have the advantages that
1, using APP is phosphorus source, phosphorous height, and has nutrient slowly-released and chelated metal ions ability.
2, add fertilizer synergist poly-aspartate zinc, nutrient uptake and utilization effect can be improved, anion is had chelating Effect.
3 under conditions of soil phosphorus is relatively low, and rhizosphere uses the compositions of the present invention by setting up crop seedling rhizosphere Higher soil phosphorus feed consistency quickly starts the absorption to phosphorus;Under conditions of soil phosphorus accumulates, by pouring root or Drip irrigation only carries out phosphate fertilizer supply to rhizosphere, thus reduces Phosphorus Fertilizer Rates, alleviates the degree of soil phosphorus accumulation, remarkably promotes seedling stage Crop root growth, improves crop yield.
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.Side used in following embodiment Method is conventional method if no special instructions.
Embodiment 1
A kind of crops seedling stage high phosphorus nutrient starts the preparation method of liquid compositions, specifically comprises the following steps that
1) preparation APP solution: powder APP 576kg is added in 424kg water, stirring and dissolving, obtain nitrogen phosphorus Potassium content is the APP solution of 10-34-0;
2) by the UAN solution of 120L (commercial, be 422g/L containing N, lower with) and the APP solution mix homogeneously of 640L Obtain solution A 1, add 110kg potassium nitrate, stirring and dissolving after solution A 1 is heated to 50-70 DEG C, obtain solution B 1;
3) by 25kg boric acid, 10kg manganese sulfate monohydrate, 60kg zinc sulphate heptahydrate, (a kind of trace element fertilizer one by one under stirring Material adds another kind after fully dissolving) add in solution B 1 and fully dissolve, adjust pH value to be 5.0 with citric acid or sodium citrate, Obtain solution C 1;
4) 20kg poly-aspartate zinc is completely dissolved in solution C 1, obtains solution D 1;
5) 20kg disodiumedetate is added in solution D 1, with water constant volume to 1000L, be sufficiently stirred for mixing, Liquid compositions is started to crops seedling stage high phosphorus nutrient.
Embodiment 2
A kind of crops seedling stage high phosphorus nutrient starts the preparation method of liquid compositions, specifically comprises the following steps that
1) preparation APP solution: powder APP 576kg is added in 424kg water, stirring and dissolving, obtain nitrogen phosphorus Potassium content is the APP solution of 10-34-0;
2) 75kg potassium nitrate joining 640L APP solution, stirring and dissolving obtains solution A 2;
3) by 25kg boric acid, 10kg manganese sulfate monohydrate, 60kg zinc sulphate heptahydrate, (a kind of trace element fertilizer one by one under stirring Material adds another kind after fully dissolving) add in solution A 2 and fully dissolve, adjust pH value to be 5.0 with citric acid or sodium citrate, Obtain solution B 2;
4) the UAN solution of 120L is added in solution B 2, is stirring evenly and then adding into 35kg potassium nitrate, obtains after stirring and dissolving Solution C 2
5) 20kg poly-aspartate zinc is completely dissolved in solution C 2, obtains solution D 2;
6) 20kg disodiumedetate is added in solution D 2, with water constant volume to 1000L, be sufficiently stirred for mixing, Liquid compositions is started to crops seedling stage high phosphorus nutrient.
Embodiment 3
A kind of crops seedling stage high phosphorus nutrient starts the preparation method of liquid compositions, specifically comprises the following steps that
1) preparation APP solution: powder APP 576kg is added in 424kg water, stirring and dissolving, obtained N-P-K content is the APP solution of 10-34-0;
2) the UAN solution of 110L and the APP solution mix homogeneously of 650L are obtained solution A 1, solution A 1 is heated After 50-70 DEG C, add 120kg potassium nitrate, stirring and dissolving, obtain solution B 1;
3) by 30kg boric acid, 10kg manganese sulfate monohydrate, 50kg zinc sulphate heptahydrate, (a kind of trace element fertilizer one by one under stirring Material adds another kind after fully dissolving) add in solution B 1 and fully dissolve, adjust pH value to be 4.5 with citric acid or sodium citrate, Obtain solution C 1;
4) 20kg poly-aspartate zinc is completely dissolved in solution C 1, obtains solution D 1;
5) 25kg disodiumedetate is added in solution D 1, with water constant volume to 1000L, be sufficiently stirred for mixing, Liquid compositions is started to crops seedling stage high phosphorus nutrient.
Embodiment 4
A kind of crops seedling stage high phosphorus nutrient starts the preparation method of liquid compositions, specifically comprises the following steps that
1) preparation APP solution: powder APP 576kg is added in 424kg water, stirring and dissolving, obtained N-P-K content is the APP solution of 10-34-0;
2) the UAN solution of 120L and the APP solution mix homogeneously of 650L are obtained solution A 1, solution A 1 is heated After 50-70 DEG C, add 120kg potassium nitrate, stirring and dissolving, obtain solution B 1;
3) by 30kg boric acid, 15kg manganese sulfate monohydrate, 70kg zinc sulphate heptahydrate, (a kind of trace element fertilizer one by one under stirring Material adds another kind after fully dissolving) add in solution B 1 and fully dissolve, adjust pH value to be 5.5 with citric acid or sodium citrate, Obtain solution C 1;
4) 20kg poly-aspartate zinc is completely dissolved in solution C 1, obtains solution D 1;
5) 25kg disodiumedetate is added in solution D 1, with water constant volume to 1000L, be sufficiently stirred for mixing, Liquid compositions is started to crops seedling stage high phosphorus nutrient.
Effect test
The crops seedling stage high phosphorus nutrient of the present invention is started liquid on winter-spring season Tomato in Greenhouse, carries out field test, Result is expressed as follows:
6 process are set in winter-spring season heliogreenhouse, repeat, by embodiment 1-4 to tomato seedling field planting and field planting for 3 times Rhizosphere (distance seedling main root 5-10cm) pouring root 2 times respectively in latter 20 days, the clear water pouring root of space management equivalent twice, comparison is used The APP solution pouring root of equivalent twice.The crops seedling stage high phosphorus nutrient of pouring root starts liquid compositions consumption every time is 20L/ Mu, extension rate 300 times during pouring root.In addition to seedling stage pouring root, each process all in Fructus Lycopersici esculenti the 1st, 2,3,4 fringe fruit expanding period with routine Drip irrigation imposes nitrogen potash fertilizer, amounts to and topdresses 4 times, and topdress nitrogen 50kg/hm every time2, potassium 75kg/hm2
The root growth index of table 1 Fructus Lycopersici esculenti different disposal and yield
Note: show significant difference (α=0.05) with lowercase alphabets different after column data in table
Experimental result is shown in Table 1, compared with blank, uses crops seedling stage high phosphorus nutrient to start liquid compositions-treated tomato seedling Total root length increases 43.87%-46.35%, root surface area increases 36.98%-39.67%, root system volume increases 32.04%- 33.81%, yield increases 17.97%-23.05%, illustrates to use crops seedling stage high phosphorus nutrient to start energy after liquid compositions-treated Substantially increase Tomato Root System growth indexes, and effect of increasing production is obvious;Compared with control treatment, the Fructus Lycopersici esculenti that embodiment 1-4 processes Total root length of Seedling increases 8.15%-10.01%, root surface area increases 8.63%-10.76%, root system volume increases 6.97%- 8.41%, yield increases 6.71%-11.31%, is relatively used alone poly-phosphorus after showing to add trace element and poly-aspartate zinc Acid ammonium solution, can increase tomato seedling root growth index, and effect of increasing production is also named substantially.The Product Process step of embodiment 1, each Individual parameter index and field test effect have reached the preferable effect of the present invention.
Although, the present invention is described in detail the most with a general description of the specific embodiments, but On the basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Cause This, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.

Claims (8)

1. a crops seedling stage high phosphorus nutrient starts liquid compositions, it is characterised in that total nutrient content is 500-700g/L, solubility Solid content is less than 50g/L, pH value 3.0-9.0;Described total nutrient content 500-700g/L, wherein the concentration of N is 150-165g/ L, P2O5Concentration be 300-310g/L, K2The concentration of O is 50-60g/L, and the concentration sum of Mn, B, Zn three is 18-25g/L.
2. crops seedling stage high phosphorus nutrient as claimed in claim 1 starts liquid compositions, it is characterised in that contain in every 1000L Carbamide ammonium nitrate solution 110-130L, APP solution 640-660L, potassium nitrate 110-130kg, boric acid 25-30kg, a water sulfur Acid manganese 10-15kg, zinc sulphate heptahydrate 50-70kg, poly-aspartate zinc 15-20kg, disodiumedetate 20-25kg, remaining Amount is water.
3. crops seedling stage high phosphorus nutrient as claimed in claim 2 starts liquid compositions, it is characterised in that contain in every 1000L Carbamide ammonium nitrate solution 120L, APP solution 640L, potassium nitrate 110kg, boric acid 25kg, manganese sulfate monohydrate 10kg, seven water sulfur Acid zinc 60kg, poly-aspartate zinc 20kg, disodiumedetate 20kg, surplus is water.
4. crops seedling stage high phosphorus nutrient starts liquid compositions as claimed in claim 2 or claim 3, it is characterised in that described polyphosphoric acid Ammonium salt solution, obtains for being dissolved in the water of 424 mass parts by the APP of 576 mass parts.
5. crops seedling stage high phosphorus nutrient starts liquid compositions as claimed in claim 2 or claim 3, it is characterised in that containing citric acid Or sodium citrate.
6. the method that crops seedling stage high phosphorus nutrient described in preparation any one of claim 1-5 starts liquid compositions, it is characterised in that Specifically comprise the following steps that
1) preparation APP solution;
2) in proportion UAN solution and APP solution are mixed to get solution A 1, after A1 is heated to 50-70 DEG C, add nitric acid Potassium, fully dissolves and obtains solution B 1;
3) one by one boric acid, manganese sulfate monohydrate, zinc sulphate heptahydrate are dissolved in solution B 1, adjust pH value with citric acid or sodium citrate For 4.5-5.5, obtain solution C 1;
4) poly-aspartate zinc is completely dissolved in solution C 1, obtains solution D 1;
5) disodiumedetate is added in solution D 1, use water constant volume, be sufficiently stirred for mixing, obtain crops seedling stage high phosphorus and support Divide and start liquid compositions.
7. the method that crops seedling stage high phosphorus nutrient described in preparation any one of claim 1-5 starts liquid compositions, it is characterised in that Specifically comprise the following steps that
1) preparation APP solution;
2) in proportion the potassium nitrate of 60-75% is dissolved in APP solution, obtains solution A 2;
3) one by one boric acid, manganese sulfate monohydrate, zinc sulphate heptahydrate are dissolved in solution A 2, adjust pH value with citric acid or sodium citrate For 4.5-5.5, obtain solution B 2;
4) UAN solution is added in solution B 2, is stirring evenly and then adding into remaining potassium nitrate, after stirring and dissolving, obtain solution C 2;
5) poly-aspartate zinc is completely dissolved in solution C 2, obtains solution D 2;
6) disodiumedetate is added in solution D 2, use water constant volume, be sufficiently stirred for mixing, obtain crops seedling stage high phosphorus and support Divide and start liquid compositions.
8. crops seedling stage high phosphorus nutrient described in any one of claim 1-5 starts the application in crop-planting field of the liquid compositions.
CN201610543621.3A 2016-07-11 2016-07-11 A kind of crops seedling stage high phosphorus nutrient starting liquid composition and the preparation method and application thereof Active CN106187475B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113620748A (en) * 2021-09-07 2021-11-09 新洋丰农业科技股份有限公司 A kind of carbon-rich start-up phosphate fertilizer and preparation method thereof

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CN103193540A (en) * 2013-04-09 2013-07-10 青岛农业大学 Leaf fertilizer mixture and preparation method thereof
CN105646091A (en) * 2016-03-04 2016-06-08 深圳市芭田生态工程股份有限公司 Liquid fertilizer and preparation method thereof
CN105660700A (en) * 2016-01-22 2016-06-15 金正大生态工程集团股份有限公司 Wheat seed initiator for increasing germination rate and method of use thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102584488A (en) * 2012-02-22 2012-07-18 张朝晖 Polypeptide-ammonium polyphosphate trace element liquid chelated fertilizer and preparation method thereof
CN103193540A (en) * 2013-04-09 2013-07-10 青岛农业大学 Leaf fertilizer mixture and preparation method thereof
CN105660700A (en) * 2016-01-22 2016-06-15 金正大生态工程集团股份有限公司 Wheat seed initiator for increasing germination rate and method of use thereof
CN105646091A (en) * 2016-03-04 2016-06-08 深圳市芭田生态工程股份有限公司 Liquid fertilizer and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113620748A (en) * 2021-09-07 2021-11-09 新洋丰农业科技股份有限公司 A kind of carbon-rich start-up phosphate fertilizer and preparation method thereof

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