CN101759480A - Method for preparing polypeptide diammonium phosphate and monoammonium phosphate and application thereof in agriculture - Google Patents
Method for preparing polypeptide diammonium phosphate and monoammonium phosphate and application thereof in agriculture Download PDFInfo
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- CN101759480A CN101759480A CN201010102762A CN201010102762A CN101759480A CN 101759480 A CN101759480 A CN 101759480A CN 201010102762 A CN201010102762 A CN 201010102762A CN 201010102762 A CN201010102762 A CN 201010102762A CN 101759480 A CN101759480 A CN 101759480A
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Abstract
The invention relates to a polypeptide diammonium phosphate and monoammonium phosphate, characterized by containing polypeptide, diammonium phosphate and monoammonium phosphate, wherein based on the total weight of polypeptide, the content of polypeptide is 0.08wt% to 2.8wt% and the content of diammonium phosphate and monoammonium phosphate is 97.2wt% to 99.92wt%. The invention further relates to a method for preparing polypeptide diammonium phosphate and monoammonium phosphate, comprising the steps: polypeptide is directly evenly mixed with molten diammonium phosphate and monoammonium phosphate slurry, or polypeptide is evenly added to diammonium phosphate and monoammonium phosphate material behind a drying apparatus in the process of preparing diammonium phosphate and monoammonium phosphate, other processes are similar to the processes for preparing diammonium phosphate and monoammonium phosphate, and granular diammonium phosphate and monoammonium phosphate is obtained. In addition, the invention further relates to the application of polypeptide diammonium phosphate and monoammonium phosphate in agriculture.
Description
Technical field:
The present invention relates to a kind of effective phosphoric acid diammonium, monoammonium phosphate that contains polypeptide, and the preparation method and the effect thereof of polypeptide diammonium phosphate, monoammonium phosphate are provided.
Technical background:
Diammonium phosphate, monoammonium phosphate are the kinds of nitrogenous phosphorus in the chemical fertilizer, also are commonplace kinds during chemical fertilizer uses, owing to can't accomplish to apply fertilizers scientifically at present, can't well bring into play diammonium phosphate, the due effect of monoammonium phosphate.
The peptide that is formed by connecting by many amino acid is called polypeptide, farming object internal memory has very strong natural bioactive peptide, relate to crop growth, growth, cell fission, information transmission, immune control, anti-ageing, physiological clock rule and molecular evolution etc., the penetrativity of its biological activity of natural polypeptides, stability, solvability, pair cell has limitation, can only utilize the synthetic polypeptide of simulation to replace natural polypeptides.
The peptide that is formed by connecting by many amino acid is called polypeptide, farming object internal memory has very strong natural bioactive peptide, all there is this bioactive peptide in many higher plants, relate to crop growth, growth, cell fission, information transmission, immune control, anti-ageing, physiological clock rule and molecular evolution etc. inject bioactive peptide to plant, each position speed of growth of plant be can adjust, other chemical substances or genetically modified help do not needed.
Summary of the invention:
For the better effect of performance diammonium phosphate, monoammonium phosphate, improve its utilization ratio.The present invention seeks to for a peptide species diammonium phosphate, monoammonium phosphate are provided.The peptide that is formed by connecting by many amino acid is called polypeptide, be to be the raw material artificial synthetic polypeptide with amino acid, in diammonium phosphate, add before the monoammonium phosphate granulation, form the polypeptide diammonium phosphate, monoammonium phosphate, the polypeptide diammonium phosphate, monoammonium phosphate is to diammonium phosphate, the original specification of monoammonium phosphate has no effect, in soil, can prolong diammonium phosphate, monoammonium phosphate time of releasing, help the growth of biological bacteria in the soil, polypeptide brings to pollute and pay can not for crop and soil and act on, it can regulate and control obvious raising diammonium phosphate to crop endogenous growth element comprehensively, the monoammonium phosphate utilising efficiency, increase the resistance of crop, increase substantially and make amount, increase crop yield.
Polypeptide diammonium phosphate of the present invention, monoammonium phosphate, comprise artificial synthetic polypeptide diammonium phosphate, monoammonium phosphate, in polypeptide diammonium phosphate, monoammonium phosphate gross weight content of peptides is 0.08～2.8 weight %, diammonium phosphate, monoammonium phosphate content are 97.2～99.92 weight %, and the polypeptide optimum content is 0.09～0.13 weight %.
Polypeptide in polypeptide diammonium phosphate of the present invention, the monoammonium phosphate is to aggregate into polypeptide compound with similar and different amino acid, because polypeptide is a kind of protein, general water fast, but form soluble polypeptide basic metal inner complex with the alkali metal hydroxide effect, can with the slip uniform mixing.
Polypeptide of the present invention can be formed in the copolymerization of certainweight ratio by L-L-glutamic acid, L-aspartic acid, L-leucine, L-L-Ala and glycine etc., or is polymerized by each personal biochemical process of above-mentioned amino acid or chemical method.Polypeptide is insoluble in the water, but be dissolved in the alkali hydroxide soln, in the also alkaline soluble earth metals hydroxide solution, generate the soluble polypeptide metallo-chelate, its molecular weight is between 1000～10000, and aforementioned polypeptides and polypeptide metallo-chelate synthetic method can be with reference to Fox, S.W.Harada, K (1960b) The ThermalCopolymerization of Amino Acids to Protein, J.Amer.Chem.Soc.823745-3751.
The present invention also provides polypeptide diammonium phosphate, monoammonium phosphate production method, polypeptide is with soluble polypeptide metallo-chelate solution quantitatively and diammonium phosphate, monoammonium phosphate uniform mixing, be about to polypeptide directly and melting shape diammonium phosphate, the direct uniform mixing of monoammonium phosphate slip, or after the drying plant in diammonium phosphate, monoammonium phosphate production process polypeptide is evenly added in diammonium phosphate, the monoammonium phosphate material, the same diammonium phosphate of other technological process, monoammonium phosphate production technique are granular polypeptide diammonium phosphate, monoammonium phosphate.Wherein the mass ratio of diammonium phosphate, monoammonium phosphate and soluble polypeptide metallo-chelate is 1000: 10～50, and polypeptide metallo-chelate content is 1～40 weight % in the soluble polypeptide metallo-chelate aqueous solution.
With polypeptide metallo-chelate solution with pump delivery to melting shape diammonium phosphate, monoammonium phosphate slurry tank uniform mixing, all the other all processing condition and common diammonium phosphate, monoammonium phosphate manufacturing condition are identical.
The polypeptide metallo-chelate solution that the present invention uses has the anion surfactant characteristics, and it and diammonium phosphate, monoammonium phosphate uniform mixing are granulation polypeptide diammonium phosphate, monoammonium phosphate through granulation., the surface easily generates electrostatic double layer, helps preventing diammonium phosphate, monoammonium phosphate caking.
The present invention also provides the application in agricultural of polypeptide diammonium phosphate, monoammonium phosphate, aforementioned polypeptides diammonium phosphate, monoammonium phosphate are applied to field crop, cash crop, fruits and vegetables, flowers, can promote inside plants to regulate and control the Physiology and biochemistry effect comprehensively, give full play to plant endogenous growth hormone, promote to nourish and grow, raising is to diammonium phosphate, monoammonium phosphate utilization and absorption, and its efficient can be increased to about 20%.
Polypeptide diammonium phosphate of the present invention, monoammonium phosphate and common diammonium phosphate, monoammonium phosphate color and granulometric facies are together, for distinguishing common diammonium phosphate, monoammonium phosphate, can add different dyes, make polypeptide diammonium phosphate, monoammonium phosphate make other color, for example yellowish, pale blue, pale green or the like is added dyestuff and be should be nontoxic, free of contamination dyestuff.
Technical scheme of the present invention in a word is as follows:
1, a peptide species diammonium phosphate, monoammonium phosphate, it is characterized in that comprising polypeptide and diammonium phosphate, monoammonium phosphate, wherein in polypeptide diammonium phosphate, monoammonium phosphate gross weight, soluble polypeptide metallo-chelate content is 0.08～2.8 weight %, and the content of diammonium phosphate, monoammonium phosphate is 97.2～99.92 weight %.
2, polypeptide diammonium phosphate according to claim 1, monoammonium phosphate is characterized in that in polypeptide diammonium phosphate, monoammonium phosphate gross weight, the content of polypeptide is 0.09～0.13%.
3, polypeptide diammonium phosphate according to claim 1, monoammonium phosphate is characterized in that polypeptide is that different amino acid or identical amino acid condensation become polypeptide, generates the soluble polypeptide metallo-chelate then in alkaline medium.
4, soluble polypeptide metallo-chelate according to claim 3, it is characterized in that becoming polypeptide, generate the soluble polypeptide metallo-chelate aqueous solution with basic metal or alkaline earth metal hydroxides reaction then with L-L-glutamic acid, L-aspartic acid, L-Methionin, L-leucine, L-L-Ala and glycine copolymerization or autohemagglutination.
5, soluble polypeptide metallo-chelate according to claim 4, the molecular weight that it is characterized in that polypeptide is 1000～10000.
6, the preparation method of polypeptide diammonium phosphate according to claim 1, monoammonium phosphate, it is characterized in that polypeptide is that with soluble polypeptide metallo-chelate solution quantitatively and diammonium phosphate, monoammonium phosphate uniform mixing wherein the mass ratio of diammonium phosphate, monoammonium phosphate and soluble polypeptide metallo-chelate solution is 1000: 1.0～8.0.
7, the preparation method of polypeptide diammonium phosphate according to claim 6, monoammonium phosphate is characterized in that, wherein said soluble polypeptide metallo-chelate solution is in aqueous solution weight, and polypeptide metallo-chelate content is 1～40 weight %.
8, the preparation method of polypeptide diammonium phosphate according to claim 6, monoammonium phosphate, it is characterized in that described soluble polypeptide metallo-chelate solution and diammonium phosphate, monoammonium phosphate uniform mixing, be about to polypeptide directly and melting shape diammonium phosphate, the direct uniform mixing of monoammonium phosphate slip, or after the drying plant in diammonium phosphate, monoammonium phosphate production process polypeptide is evenly added in diammonium phosphate, the monoammonium phosphate material, the same diammonium phosphate of other technological process, monoammonium phosphate production technique are granular polypeptide diammonium phosphate, monoammonium phosphate.
9, the described polypeptide diammonium phosphate of a kind of claim 1, the application of monoammonium phosphate in agricultural is characterized in that described polypeptide diammonium phosphate, monoammonium phosphate are applied to various field crops, cash crop in the agricultural.
Embodiment
Following example only is to further specify the present invention, is not the restriction the scope of protection of the invention.
Embodiment 1: the preparation of polypeptide metallo-chelate and polypeptide diammonium phosphate or monoammonium phosphate
The production method of the employed polypeptide metallo-chelate aqueous solution is that L-aspartic acid, L-L-glutamic acid, L-leucine are mixed 150 kilograms of solid materialss with 1: 0.2: 0.2 (mol ratio) and join in the material condensation reactor of 500 liters with oil circuit or electrically heated rotation.Kept 4 hours 230 ℃ of heating, obtain the material 120 kg after the cooling, molecular-weight average is 8100, the condensation reaction thing is joined in the stainless steel cauldron, mole caustic soda such as adding are warming up to 80 ℃ and refluxed 2 hours, regulate pH value 10.5, obtain the aqueous solution of the polypeptide metallo-chelate of 30%580 kilograms of weight ratios.
With diammonium phosphate, monoammonium phosphate: the ratio of polypeptide metallo-chelate=1000: 0.8 is by volume pump and under meter, flow is that the feed rate of 90 kilograms/hour (are equivalent to 75 liters/hour) evenly joins diammonium phosphate with the polypeptide aqueous metal salt, in the monoammonium phosphate, be about to the direct and melting shape diammonium phosphate of polypeptide, the direct uniform mixing of monoammonium phosphate slip, or after the drying plant in diammonium phosphate or monoammonium phosphate production process polypeptide is evenly added in diammonium phosphate or the monoammonium phosphate material, other technological process is with diammonium phosphate or monoammonium phosphate production technique.Make 45 tons of/hour particle polypeptide diammonium phosphate or monoammonium phosphate, granularity
The specification of polypeptide diammonium phosphate or monoammonium phosphate sees Table (1)
Table (1) polypeptide diammonium phosphate or monoammonium phosphate product quality index
| Index | Polypeptide diammonium phosphate or monoammonium phosphate |
| Total nutrient (N, P2O5), % | ??≥53.0 |
Reference examples: the operating procedure condition is identical with example one.Do not add the polypeptide metallo-chelate, ordinary production gained industrial phosphoric acid two ammoniums or the monoammonium phosphate specification of quality are as table (2)
Table (2) reference examples diammonium phosphate or monoammonium phosphate quality index
Embodiment 2: the preparation of polypeptide metallo-chelate and polypeptide diammonium phosphate or monoammonium phosphate
The polypeptide metallo-chelate is pressed the preparation of embodiment 1 method, with diammonium phosphate or monoammonium phosphate: the ratio of polypeptide metallo-chelate solution=1000: 4.0 is by volume pump and under meter metering, flow is that the feed rate of 30 kilograms/hour (are equivalent to 25 liters/hour) is evenly mixed polypeptide metallo-chelate solution with diammonium phosphate or monoammonium phosphate, be about to polypeptide direct and melting shape diammonium phosphate or the direct uniform mixing of monoammonium phosphate slip, or after the drying plant in diammonium phosphate or monoammonium phosphate production process polypeptide is evenly added in diammonium phosphate or the monoammonium phosphate material, other technological process is with diammonium phosphate or monoammonium phosphate production technique, be granular polypeptide diammonium phosphate or monoammonium phosphate,, make 45 tons of/hour polypeptide diammonium phosphate or monoammonium phosphate.The specification of polypeptide diammonium phosphate or monoammonium phosphate sees Table (1)
Table (3) product quality indicator
Embodiment 3: the preparation of polypeptide metallo-chelate and polypeptide diammonium phosphate or monoammonium phosphate
The polypeptide metallo-chelate is pressed the preparation of embodiment 1 method, with diammonium phosphate or monoammonium phosphate: the ratio of polypeptide metallo-chelate solution=1000: 8 is by volume pump and under meter metering, flow is that the feed rate of 110 kilograms/hour (are equivalent to 91.7 liters/hour) is evenly mixed polypeptide metallo-chelate solution with diammonium phosphate or monoammonium phosphate, be about to polypeptide direct and melting shape diammonium phosphate or the direct uniform mixing of monoammonium phosphate slip, or after the drying plant in diammonium phosphate or monoammonium phosphate production process polypeptide is evenly added in diammonium phosphate or the monoammonium phosphate material, other technological process is with diammonium phosphate or monoammonium phosphate production technique, be granular polypeptide diammonium phosphate or monoammonium phosphate, make 45 tons of/hour polypeptide diammonium phosphate or monoammonium phosphate.The specification of polypeptide diammonium phosphate or monoammonium phosphate sees Table (4)
Table (4) product quality indicator
Embodiment 4 polypeptide diammonium phosphate or polypeptide monoammonium phosphate are at Yucheng, Shandong winter wheat manurial experiment
Test conditions:
Polypeptide diammonium phosphate, the polypeptide monoammonium phosphate of 5 mu of wheat use-case one productions apply fertilizer.50 kilograms/mu of usage quantitys, control group are used common diammonium phosphate, monoammonium phosphate fertilising.Usage quantity also is 50 kilograms/mu.Test-results:
Use the wheat leaf look of polypeptide diammonium phosphate or polypeptide monoammonium phosphate dark green, blade is roomy, well developed root system, and robust plant, the growing way height, disease and pest is light.Data see Table (3)
Table (3) wheat paddock is executed the test-results of polypeptide diammonium phosphate, monoammonium phosphate
| Test group | Plant height (centimetre) | The mu spike number | Grain number per spike | Thousand seed weight (gram) | Output (kilogram/mu) | Effect of increasing production % |
| Polypeptide diammonium phosphate or polypeptide monoammonium phosphate | ?84 | ??331478 | ??39.6 | ??39.1 | ?506.2 | ??19.5 |
| Common diammonium phosphate, monoammonium phosphate | ?75 | ??301392 | ??37.8 | ??37.3 | ?423.6 |
Find out in the table that effect of increasing production polypeptide diammonium phosphate, polypeptide monoammonium phosphate are than common diammonium phosphate, monoammonium phosphate volume increase 19.5%.
Embodiment 5: use-case 1 polypeptide diammonium phosphate or polypeptide monoammonium phosphate, and to winter wheat decrement manurial experiment effect
Test conditions
4 mu of experimental field of wheat are executed 20 kilograms of polypeptide diammonium phosphate or polypeptide monoammonium phosphates for every mu
40 kilograms of common diammonium phosphate, monoammonium phosphates are executed for every mu in 2 mu of wheat controlled trial fields
Test-results sees Table (4)
Table (4) uses polypeptide diammonium phosphate, monoammonium phosphate to wheat paddock decrement manurial experiment result
| Test group | Plant height (centimetre) | The mu spike number | Grain number per spike | Thousand seed weight (gram) | Output (kilogram/mu) | Effect of increasing production % |
| Polypeptide diammonium phosphate or polypeptide monoammonium phosphate | ?99 | ??310906 | ??39.3 | ??38.2 | ?459.2 | ??7.1 |
| Common diammonium phosphate, monoammonium phosphate | ?91.5 | ??309719 | ??36.9 | ??37.1 | ?428.8 |
Find out in the table and execute polypeptide diammonium phosphate, the fertilising of monoammonium phosphate decrement, per mu yield still increases by 7.1%.
Embodiment 6: the polypeptide diammonium phosphate of use-case 1 or polypeptide monoammonium phosphate are used for fertilising of corn field equivalent and decrement fertilising
Test conditions:
Corn variety is merely beautiful No. 18
Experimental plot edaphic condition is identical, the control measures unanimity.3 test contrasts are established for 50 square metres in the experimental plot.Execute 30 kilograms/mu of polypeptide diammonium phosphate or polypeptide monoammonium phosphates, 21 kilograms/mu; Execute 30 kilograms/mu of common diammonium phosphate, monoammonium phosphates.
Test-results sees Table (5)
Table (5) polypeptide diammonium phosphate or polypeptide monoammonium phosphate are to fertilising of corn equivalent and decrement manurial experiment result
| Test group | Rate of fertilizer application (kilogram/mu) | Thousand seed weight (gram) | Output (kilogram/mu) | Effect of increasing production (weight %) |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate equivalent | ?30 | ??309 | ??567 | ?18.4 |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate decrement | ?21 | ??297 | ??485 | ?2.5 |
| Common diammonium phosphate, monoammonium phosphate | ?30 | ??287 | ??479 |
The corn performance leaf look dark green of executing polypeptide diammonium phosphate or polypeptide monoammonium phosphate, and it is fast to grow, and blade is roomy.The plant height ratio is executed common diammonium phosphate, monoammonium phosphate is high 11～19 centimeters, and heading was weaved silk early 2～4 days, and mealie is grown to the top, and the equivalent fertilising is increased production 18.4 weight % than common diammonium phosphate, monoammonium phosphate; Reduce and use polypeptide diammonium phosphate, polypeptide monoammonium phosphate 30 weight %.Corn yield still keeps same level with the corn of executing common diammonium phosphate, monoammonium phosphate, increases by 2.5%.
Embodiment 7: use-case 1 polypeptide diammonium phosphate or polypeptide monoammonium phosphate are used for fertilising of cotton equivalent and decrement manurial experiment
Test conditions:
Cotton variety grinds No. 22 for the Shanxi cotton.Experimental plot edaphic condition is identical, plantation management condition unanimity.50 square metres of experimental plots.
Test-results sees Table (6).
Table (6) polypeptide diammonium phosphate or polypeptide monoammonium phosphate are to the fertilising of cotton equivalent, decrement manurial experiment
| Test group | Rate of fertilizer application (kilogram) | Cotton boll heavy (gram) | Output of cotton (kilogram/mu) | Effect of increasing production, % |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate equivalent | ?35.5 | ??6.24 | ?268 | ?19.1 |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate decrement | ?24.8 | ??6.16 | ?246 | ?9.3 |
| Common diammonium phosphate, monoammonium phosphate | ?35.5 | ??5.83 | ?225 |
Test-results finds out that to execute the growth of polypeptide diammonium phosphate or polypeptide monoammonium phosphate cotton test field vigorous, and leaf is dark green, and cotton buds and bolls exfoliation is few, and Cheng Tao is many, cotton boll blowing early 5～8 days, polypeptide diammonium phosphate or polypeptide monoammonium phosphate equivalent fertilising volume increase 19.1%.Even decrement fertilising 30% also can increase by 9.3% output.
Embodiment 8: use-case 1 polypeptide diammonium phosphate or polypeptide monoammonium phosphate are used for fertilising of peanut equivalent and decrement manurial experiment
Test conditions:
Peanut varieties is safe rich No. one, large fruit.Experimental plot edaphic condition is identical, plantation management condition unanimity.50 square metres of experimental plots.
Test-results sees Table (6).
Table (6) polypeptide diammonium phosphate or polypeptide monoammonium phosphate are to the fertilising of peanut equivalent, decrement manurial experiment
| Test group | Rate of fertilizer application (kilogram) | Every cave number of results (the two fruit of folding number, individual) | Peanut yield (kilogram/mu) | Effect of increasing production, % |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate equivalent | ?35.5 | ??39.6 | ?482.6 | ??15.7 |
| Test group | Rate of fertilizer application (kilogram) | Every cave number of results (the two fruit of folding number, individual) | Peanut yield (kilogram/mu) | Effect of increasing production, % |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate decrement | ?24.8 | ??34.1 | ?439.9 | ??5.3 |
| Common diammonium phosphate, monoammonium phosphate | ?35.5 | ??31.2 | ?417.0 |
Test-results finds out that to execute the growth of equivalent polypeptide diammonium phosphate or polypeptide monoammonium phosphate peanut experimental plot vigorous, leaf is dark green, heavy from every cave number of results, all kinds of fruits, hundred benevolence heavy, kernel percent, execute the best of equivalent polypeptide diammonium phosphate or polypeptide monoammonium phosphate, what polypeptide diammonium phosphate or polypeptide monoammonium phosphate decrement were applied fertilizer takes second place.Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate equivalent are than using common diammonium phosphate or polypeptide monoammonium phosphate fertilising volume increase 15.7%, even decrement fertilising 30% also can increase by 5.3% output.
Embodiment 8: use-case 1 polypeptide diammonium phosphate or polypeptide monoammonium phosphate are used for fertilising of tomato equivalent and decrement manurial experiment
Test conditions:
Bright red No. one of tomato variety.Experimental plot edaphic condition is identical, plantation management condition unanimity.50 square metres of experimental plots.
Test-results sees Table (6).
Table (6) polypeptide diammonium phosphate or polypeptide monoammonium phosphate are to the fertilising of tomato equivalent, decrement manurial experiment
| Test group | Rate of fertilizer application (kilogram) | Tomato production (kilogram/mu) | Effect of increasing production, % |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate equivalent | ??106.5 | ?12608.6 | ??41.7 |
| Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate decrement | ??74.6 | ?10089.9 | ??13.4 |
| Common diammonium phosphate, monoammonium phosphate | ??106.5 | ?8900.2 |
Test-results finds out that to execute the growth of equivalent polypeptide diammonium phosphate or polypeptide monoammonium phosphate tomato experimental plot vigorous, and leaf is dark green, fruit appearance good, individual big, solid content is high; Execute the significantly good of equivalent polypeptide diammonium phosphate or polypeptide monoammonium phosphate, what polypeptide diammonium phosphate or polypeptide monoammonium phosphate decrement were applied fertilizer takes second place.Polypeptide diammonium phosphate or the fertilising of polypeptide monoammonium phosphate equivalent are than using common diammonium phosphate or polypeptide monoammonium phosphate fertilising volume increase 41.7%, even decrement fertilising 30% also can increase by 13.4% output.
Above example has been narrated optimization test mode of the present invention, is not to be used for limiting the present invention.Those skilled in the art can not depart from the improvement and the variation of category of the present invention and spirit to embodiment disclosed herein.
Claims (8)
1. a peptide species diammonium phosphate, monoammonium phosphate, it is characterized in that comprising polypeptide and diammonium phosphate, monoammonium phosphate, wherein in polypeptide diammonium phosphate, monoammonium phosphate gross weight, soluble polypeptide metallo-chelate content is 0.08～2.8 weight %, and the content of diammonium phosphate, monoammonium phosphate is 97.2～99.92 weight %.
2. polypeptide diammonium phosphate according to claim 1, monoammonium phosphate is characterized in that polypeptide is that different amino acid or identical amino acid condensation become polypeptide, generates the soluble polypeptide metallo-chelate then in alkaline medium.
3. soluble polypeptide metallo-chelate according to claim 3, it is characterized in that becoming polypeptide, generate the soluble polypeptide metallo-chelate aqueous solution with basic metal or alkaline earth metal hydroxides reaction then with L-L-glutamic acid, L-aspartic acid, L-Methionin, L-leucine, L-L-Ala and glycine copolymerization or autohemagglutination.
4. soluble polypeptide metallo-chelate according to claim 4, the molecular weight that it is characterized in that polypeptide is 1000～10000.
5. the preparation method of polypeptide diammonium phosphate according to claim 1, monoammonium phosphate, it is characterized in that polypeptide is that with soluble polypeptide metallo-chelate solution quantitatively and diammonium phosphate, monoammonium phosphate uniform mixing wherein the mass ratio of diammonium phosphate, monoammonium phosphate and soluble polypeptide metallo-chelate solution is 1000: 1.0～5.0.
6. the preparation method of polypeptide diammonium phosphate according to claim 6, monoammonium phosphate is characterized in that, wherein said soluble polypeptide metallo-chelate solution is in aqueous solution weight, and polypeptide metallo-chelate content is 1～40 weight %.
7. the preparation method of polypeptide diammonium phosphate according to claim 6, monoammonium phosphate, it is characterized in that described soluble polypeptide metallo-chelate solution is joined uniform mixing in diammonium phosphate, the monoammonium phosphate, be about to polypeptide directly and melting shape diammonium phosphate, the direct uniform mixing of monoammonium phosphate slip, or after the drying plant in diammonium phosphate, monoammonium phosphate production process polypeptide is evenly added in diammonium phosphate, the monoammonium phosphate material, the same diammonium phosphate of other technological process, monoammonium phosphate production technique are granular polypeptide diammonium phosphate, monoammonium phosphate.
8. the described polypeptide diammonium phosphate of claim 1, the application of monoammonium phosphate in agricultural is characterized in that described polypeptide diammonium phosphate, monoammonium phosphate are applied to various field crops, cash crop in the agricultural.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204710A (en) * | 2013-05-02 | 2013-07-17 | 山东兴达化工有限公司 | Preparation method of polypeptide ammonium sulfate and application in agriculture |
| CN104355722A (en) * | 2014-09-25 | 2015-02-18 | 成都新柯力化工科技有限公司 | Polyglutamic acid-phosphate fertilizer and preparation method thereof |
-
2010
- 2010-01-29 CN CN201010102762A patent/CN101759480A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204710A (en) * | 2013-05-02 | 2013-07-17 | 山东兴达化工有限公司 | Preparation method of polypeptide ammonium sulfate and application in agriculture |
| CN103204710B (en) * | 2013-05-02 | 2015-11-04 | 山东兴达化工有限公司 | The preparation method of polypeptide ammonium sulfate and the application in agricultural thereof |
| CN104355722A (en) * | 2014-09-25 | 2015-02-18 | 成都新柯力化工科技有限公司 | Polyglutamic acid-phosphate fertilizer and preparation method thereof |
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Application publication date: 20100630 |