CN106047358A - Water-retaining agent used for peanuts in saline-alkali soil and containing poly gamma-glutamic acid and preparation method thereof - Google Patents
Water-retaining agent used for peanuts in saline-alkali soil and containing poly gamma-glutamic acid and preparation method thereof Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention provides a water-retaining agent used for peanuts in saline-alkali soil and containing poly gamma-glutamic acid and a preparation method thereof. The water-retaining agent comprises poly gamma-glutamic acid, potassium sulfate, guano ground phosphorite, ammonium molybdate, a catalyst, an initiating agent, a crosslinking agent and water. The water-retaining agent has the advantages that the water-retaining agent has high water absorbing capability in distilled water, rainwater, and NaCl solution with a concentration of 0.6%, the capability of water absorption in the distilled water can reach 950-1300 times the weight of itself, the capability of water absorption in the rainwater can reach 730-1000 times the weight of itself, and the capability of water absorption in the NaCl solution with a concentration of 0.6% can reach 460-700 times the weight of itself.
Description
Technical field
The present invention relates to a kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid and preparation method thereof, belong to water-retaining agent
Technical field.
Background technology
Poly-γ glutamic acid, is with the glutamic acid of left and right optical activity as cell cube, is polymerized with the vinegar amine key on γ-position
Homogeneous peptides (Homo-polypeptide), the degree of polymerization is about 1,000-15, between 000.
Poly-γ glutamic acid is the water solublity polyamino acid that in nature, fermentable produces, and its structure is glutamic acid list
Unit forms the high molecular polymer of peptide bond by alpha-amido and γ-carboxyl.
Poly-γ glutamate molecule amount is distributed between 100kDa to 10000kDa.Poly-γ glutamic acid has excellent water-soluble
Property, superpower adsorptivity and biodegradability, catabolite is non-harmful glutamic acid, is a kind of excellent environment-friendly type high score
Sub-material, can be as water-retaining agent, adsorbent for heavy metal, flocculant, slow releasing agent and pharmaceutical carrier etc., at cosmetics, ring
The industries such as border protection, food, medicine, agricultural, control of desert all have the biggest commercial value and social value.
Water-retaining agent uses super absorbent resin, and it is the functional high molecule material that a kind of water absorbing capacity is the strongest.Nothing
Poison is harmless, repeatedly releases water, water suction, and the most agriculturally people liken " miniature reservoir " to it.Meanwhile, it can also absorb fertilizer,
Pesticide also slowly discharges, and increases fertilizer efficiency, drug effect.Super absorbent resin is widely used in agricultural, forestry, gardening, construction material.
The defect that existing water-retaining agent exists is as follows:
1, existing water-retaining agent in distilled water, rainwater, the water absorbing capacity difference of 0.6%NaCl solution or absorbs water at distilled water, rainwater
Ability is good, but very poor at the water absorbing capacity of 0.6%NaCl solution；
2, existing water-retaining agent distilled water, rainwater, 0.6%NaCl solution water holding capacity difference or at distilled water, rainwater water conservation
Ability is good, but very poor in the water holding capacity of 0.6%NaCl solution；
3, existing water-retaining agent is poor to soil being had Water-saving effect under the conditions of different in moisture；
4, existing water-retaining agent degradation property is poor, easily pollutes soil；
5, existing water-retaining agent is poor to the water holding capacity of soil in salt-soda soil.
Summary of the invention
The present invention solves the deficiency that prior art exists, it is provided that a kind of salt-soda soil Semen arachidis hypogaeae water conservation containing poly-γ glutamic acid
Agent and preparation method thereof, to realize following goal of the invention:
(1) water-retaining agent prepared by the present invention distilled water, rainwater, 0.6%NaCl solution water absorbing capacity strong；
(2) water-retaining agent prepared by the present invention distilled water, rainwater, 0.6%NaCl solution water holding capacity strong；
(3) water-retaining agent prepared by the present invention is good to having Water-saving effect under the conditions of different in moisture to soil；
(4) the water-retaining agent degradation property that prepared by the present invention is good, pollution-free to soil；
(5) water-retaining agent prepared by the present invention is good to the Water-saving effect of soil in salt-soda soil；
(6), when carrying out water conservation during water-retaining agent prepared by the present invention is applied to salt-soda soil Semen arachidis hypogaeae, Semen arachidis hypogaeae is had no side effect, safety
High.
For solving above technical problem, the technical solution used in the present invention is as follows:
A kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid, described water-retaining agent, including poly-γ glutamic acid, potassium sulfate, bird
Fecal phosphorus breeze, ammonium molybdate, catalyst, initiator, cross-linking agent, water.
It is once that technique scheme is further defined that
Described water-retaining agent, in parts by weight, including following components: poly-γ glutamic acid 15～30 parts, potassium sulfate 1.4～3.5 parts, bird
Fecal phosphorus breeze 0.65～1.7 parts, ammonium molybdate 1.4～3.5 parts, marine products flat algae 1.4～3.5 parts, Entermorpha powder 0.65～1.7 part,
Ferment ermine excrement 0.65～1.7 parts, fermentation deer excrement 1.4～3.5 parts, Fructus Cucurbitae moschatae seedling powder 1.4～3.5 parts, cotton stalk powder 1.4～3.5 parts,
Semen Sesami ground-slag 1.4～3.5 parts, Semen Benincasae oil cake powder 1.4～3.5 parts, glycine 1.4～3.5 parts, proline 2～5 parts, a-naphthalene second
Acid sodium 1.4～3.5 parts, Wakil 0.65～1.7 parts, catalyst 1.4～3.5 parts, initiator 0.65～1.7 parts, cross-linking agent 1.4
～3.5 parts, water 70～160 parts.
The mesh number of described marine products flat algae and Entermorpha powder is 60～210 mesh；Described fermentation ermine excrement and fermentation deer excrement are dry
Mesh number is 45～150 mesh powder.
The mesh number of described Fructus Cucurbitae moschatae seedling powder and cotton stalk powder is 30～140 mesh；Described Semen Sesami ground-slag and Semen Benincasae oil cake powder
Mesh number is 50～180 mesh.
Described catalyst is styrene.
Described initiator is azodiisobutyronitrile；Described cross-linking agent is diglycidyl ether of ethylene glycol.
The preparation method of a kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid, described preparation method includes poly-γ paddy
The process of propylhomoserin, the process of described poly-γ glutamic acid includes poly-γ glutamic acid preparation process, cross-linking reaction step.
Described poly-γ glutamic acid preparation process, is by Bacillus licheniformis solid fermentation system, and culture medium is by bean dregs, bran
Skin, nutritional solution form, and bean cake, peanut residue, nutritional solution form, and bean cake, peanut residue, nutritional solution mass ratio are 5:4:3.
Described cross-linking reaction step, heating in water bath to 75～80 DEG C, oscillating reactions 4.5～6h.
A kind of containing the salt-soda soil Semen arachidis hypogaeae water-retaining agent of poly-γ glutamic acid and the application in the peanut cultivation of salt-soda soil thereof, it is special
Levy and be: the consumption of described water-retaining agent is 3.5～6.5kg/ mus.
Use above technical scheme, the invention have the benefit that
1, water-retaining agent prepared by the present invention distilled water, rainwater, 0.6%NaCl solution water absorbing capacity strong, absorb water in distilled water
Ability can reach 950～1300 times of own wt, and in rainwater, water absorbing capacity can reach 730～1000 times of own wt,
In 0.6%NaCl solution, water absorbing capacity can reach 460～700 times of own wt.
2, water-retaining agent prepared by the present invention distilled water, rainwater, 0.6%NaCl solution water holding capacity strong, place 10 days
After, in distilled water, water holding capacity can reach 710～980 times of own wt, and in rainwater, water holding capacity can reach from heavy sensation of the body
590～750 times of amount, in 0.6%NaCl solution, water holding capacity can reach 290～410 times of own wt.
3, water-retaining agent prepared by the present invention is to having good Water-saving effect under the conditions of different in moisture to soil, adds water conservation
After agent, the sand of water content 50% evaporates completely needs 9～12 days, and after adding water-retaining agent, the sand of water content 75% evaporates completely needs 13
～18 days, after adding water-retaining agent, the loam of water content 50% evaporates completely needs 11～15 days, water content 75% after interpolation water-retaining agent
Loam evaporates completely to be needed 16～20 days.
4, the water-retaining agent degradation property that prepared by the present invention is good, pollution-free to soil, and the degradation rate of water-retaining agent enzymolysis 36h is
50%～57%, the degradation rate of water-retaining agent enzymolysis 48h is 74%～77%, and the degradation rate of water-retaining agent enzymolysis 72h is 83%～89%, water conservation
The degradation rate of agent enzymolysis 96h is 91%～98%,
5, water-retaining agent prepared by the present invention has good effect to the water holding capacity of soil in salt-soda soil.To soil in salt-soda soil
Water holding capacity: after irrigation, 1d soil moisture content is 69%～72%, and after irrigation, 3d soil moisture content is 59%～65%, 5d after irrigation
Soil moisture content is 50%～56%, and after irrigation, 7d soil moisture content is 44%～49%, after irrigation 9d soil moisture content be 36%～
43%。
6, after the water-retaining agent that prepared by the present invention uses, in peanut cultivation ground, nitrogen, phosphorus, the usage amount of potash fertilizer reduce.After using,
The usage amount of nitrogen, phosphorus, potash fertilizer in peanut cultivation ground: nitrogenous fertilizer usage amount 9.5～11kg/ mu, phosphate fertilizer usage amount 7.3～8.7kg/
Mu, potash fertilizer usage amount 3.8～5.0kg/ mu.
7, the water-retaining agent that prepared by the present invention is without any side effects to peanut plant, and safety is high, also obtains beyond thought
Effect, the effect of being significantly improved of the yield of Semen arachidis hypogaeae, per mu yield reaches 260-320 jin；In Semen arachidis hypogaeae, protein and fat content are the most notable
Improving, protein content is 22.8-25.3g/100g, and fat content is 40.3-43.9g/100g.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
The embodiment 1 one kinds salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid
Described water-retaining agent, the mass ratio of each raw material components is:
15 parts of poly-γ glutamic acid, potassium sulfate 1.4 parts, 0.65 part of quano-phosphatic deposit powder, ammonium molybdate 1.4 parts, marine products flat algae 1.4 parts, waterside
Lichenin 0.65 part, 0.65 part of ermine excrement of fermentation, fermentation 1.4 parts of deer excrement, 1.4 parts of Fructus Cucurbitae moschatae seedling powder, cotton stalk powder 1.4 parts, sesame residues
1.4 parts of powder, Semen Benincasae oil cake powder 1.4 parts, glycine 1.4 parts, proline 2 parts, a-Nafusaku 1.4 parts, Wakil 0.65 part, urge
Agent 1.4 parts, initiator 0.65 part, cross-linking agent 1.4 parts, 70 parts of water.
Described potassium sulfate active constituent content is 98%；
Described quano-phosphatic deposit powder active constituent content is 35%；
Described ammonium molybdate active constituent content is 99%；
The mesh number of described marine products flat algae and Entermorpha powder is 60～210 mesh；
The mesh number that described fermentation ermine excrement and fermentation deer excrement are dry is 45～150 mesh powder；
The mesh number of described Fructus Cucurbitae moschatae seedling powder and cotton stalk powder is 30～140 mesh；
The mesh number of described Semen Sesami ground-slag and Semen Benincasae oil cake powder is 50～180 mesh
The active constituent content of described glycine is 48%；
The active constituent content of described proline is 45%；
The active constituent content of described a～naphthyl acid sodium is 99.6%；
The active constituent content of described Wakil is 64%；
Described catalyst is styrene；
Described initiator is azodiisobutyronitrile；
Described cross-linking agent is diglycidyl ether of ethylene glycol.
The embodiment 2 one kinds salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid
Described water-retaining agent, the mass ratio of each raw material components is:
20 parts of poly-γ glutamic acid, potassium sulfate 2 parts, 1 part of quano-phosphatic deposit powder, ammonium molybdate 2 parts, marine products flat algae 2 parts, Entermorpha powder 1 part,
1 part of ferment ermine excrement, 2 parts of deer excrement of fermentation, 2 parts of Fructus Cucurbitae moschatae seedling powder, cotton stalk powder 2 parts, Semen Sesami ground-slag 2 parts, Semen Benincasae oil cake powder 2 parts, sweet
Propylhomoserin 2 parts, proline 3 part, a-Nafusaku 2 parts, Wakil 1 part, catalyst 2 parts, initiator 1 part, cross-linking agent 2 parts, water 100
Part.
Described potassium sulfate active constituent content is 98%；
Described quano-phosphatic deposit powder active constituent content is 35%；
Described ammonium molybdate active constituent content is 99%；
The mesh number of described marine products flat algae and Entermorpha powder is 60～210 mesh；
The mesh number that described fermentation ermine excrement and fermentation deer excrement are dry is 45～150 mesh powder；
The mesh number of described Fructus Cucurbitae moschatae seedling powder and cotton stalk powder is 30～140 mesh；
The mesh number of described Semen Sesami ground-slag and Semen Benincasae oil cake powder is 50～180 mesh
The active constituent content of described glycine is 48%；
The active constituent content of described proline is 45%；
The active constituent content of described a～naphthyl acid sodium is 99.6%；
The active constituent content of described Wakil is 64%；
Described catalyst is styrene；
Described initiator is azodiisobutyronitrile；
Described cross-linking agent is diglycidyl ether of ethylene glycol.
The embodiment 3 one kinds salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid
Described water-retaining agent, the mass ratio of each raw material components is:
30 parts of poly-γ glutamic acid, potassium sulfate 3.5 parts, 1.7 parts of quano-phosphatic deposit powder, ammonium molybdate 3.5 parts, marine products flat algae 3.5 parts, Entermorpha
1.7 parts of powder, 1.7 parts of ermine excrement of fermentation, fermentation 3.5 parts of deer excrement, 3.5 parts of Fructus Cucurbitae moschatae seedling powder, cotton stalk powder 3.5 parts, Semen Sesami ground-slag 3.5
Part, Semen Benincasae oil cake powder 3.5 parts, glycine 3.5 parts, proline 5 parts, a-Nafusaku 3.5 parts, Wakil 1.7 parts, catalyst
3.5 parts, initiator 1.7 parts, cross-linking agent 3.5 parts, 160 parts of water.
Described potassium sulfate active constituent content is 98%；
Described quano-phosphatic deposit powder active constituent content is 35%；
Described ammonium molybdate active constituent content is 99%；
The mesh number of described marine products flat algae and Entermorpha powder is 60～210 mesh；
The mesh number that described fermentation ermine excrement and fermentation deer excrement are dry is 45～150 mesh powder；
The mesh number of described Fructus Cucurbitae moschatae seedling powder and cotton stalk powder is 30～140 mesh；
The mesh number of described Semen Sesami ground-slag and Semen Benincasae oil cake powder is 50～180 mesh
The active constituent content of described glycine is 48%；
The active constituent content of described proline is 45%；
The active constituent content of described a～naphthyl acid sodium is 99.6%；
The active constituent content of described Wakil is 64%；
Described catalyst is styrene；
Described initiator is azodiisobutyronitrile；
Described cross-linking agent is diglycidyl ether of ethylene glycol.
Embodiment 4 one kinds salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid and preparation method thereof
Described plant water keeping agent, preparation method includes:
(1) process of poly-γ glutamic acid:
A, weigh
Weigh the poly-γ glutamic acid described in embodiment 1～3, catalyst, initiator, cross-linking agent, water.
Prepared by b, poly-γ glutamic acid
Described poly-γ glutamic acid is to be prepared by Bacillus licheniformis solid fermentation, and Bacillus licheniformis is existing product on market,
Culture medium is made up of bean dregs, wheat bran, nutritional solution, and bean cake, peanut residue, nutritional solution form, bean cake, peanut residue, nutritional solution quality
Ratio is 5:4:3, and the original ph of culture medium is 7.5, and inoculum concentration is 10%, and loading amount is 30g, and fermentation temperature is 35～38 DEG C；
C, cross-linking reaction
Joining in distilled water by prepared poly-γ glutamic acid, be sufficiently uniformly dissolved, adding aluminium hydroxide regulation pH value is 6.5,
Add catalyst, initiator, cross-linking agent, stir, heating in water bath to 75～80 DEG C, oscillating reactions 4.5～6h, slightly produced
Product washing with alcohol sucking filtration, prepare poly-γ glutamic acid product.
(2) each composition is weighed
According to the water-retaining agent formula described in embodiment 1～3, weigh potassium sulfate, quano-phosphatic deposit powder, ammonium molybdate, marine products flat algae, Entermorpha
Powder, fermentation ermine excrement, fermentation deer excrement, Fructus Cucurbitae moschatae seedling powder, cotton stalk powder, Semen Sesami ground-slag, Semen Benincasae oil cake powder, glycine, proline, a-
Nafusaku, Wakil.
(3) mixing
Poly-γ glutamic acid product, potassium sulfate, quano-phosphatic deposit powder, ammonium molybdate, marine products flat algae, Entermorpha powder, fermentation ermine excrement will be prepared, send out
Ferment deer excrement, Fructus Cucurbitae moschatae seedling powder, cotton stalk powder, Semen Sesami ground-slag, Semen Benincasae oil cake powder, glycine, proline, a-Nafusaku, evil frost
Spirit mix homogeneously, prepares mixture；
(4) granule is prepared
Said mixture being transported to comminutor and is dried granulation, baking temperature is 80 DEG C～85 DEG C, prepares granule, then mistake
The screen cloth of 30～200 mesh, water content control is within 1%.
The performance test of the embodiment 5 one kinds salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid
(1) Water Absorbing Ability of Super Water Absorbent measures
The water-retaining agent sample 10g the most accurately weighing embodiment 1 to embodiment 3 preparation is positioned in gauze bag, is respectively placed in not
In same aqueous medium (distilled water, rainwater) and NaCl aqueous solution that concentration is 0.9%, water-retaining agent sample is made to be fully contacted with solution, room
Place 24h under temperature, filter after water suction to anhydrous the dripping of 30S and be as the criterion.After filtration, weigh the weight after sample water suction, measure water conservation
Weight after agent water suction can reach the multiple of own wt.
(2) water retention property of water-retaining agent measures
Place above-mentioned experiment is inhaled water saturated water-retaining agent in atmosphere, place 10 days at 20～25 DEG C, measure water-retaining agent
Weight can reach the multiple of own wt.
(3) water-retaining agent impact on retention capacity of soil under the conditions of different in moisture
Measure water-retaining agent under the conditions of different in moisture to retention capacity of soil, reach the different in moisture condition of saturation at soil
Under, add the water-retaining agent of the present invention respectively, check that moisture in soil evaporates required natural law completely.
After the water-retaining agent that as can be seen here prepared by the present invention uses in soil, substantially increase the water holding capacity of soil.
(4) degradation property of water-retaining agent
Accurately weigh the water-retaining agent sample 1g of embodiment 1 to embodiment 3 preparation, add in 100ml distilled water, use 1mol/
After LHCI adjusts pH to 4.6, under 30 DEG C of magnetic agitation, add amylase 1%, and cellulase 4%, the residue after enzymolysis 36～96h
Wash surface pastel, weigh after 50 DEG C of irritated 24h.
Degradation rate %=［ (G1-G2)/W ］ × 100%
Wherein, G1 is the quality (g) of sample before enzymolysis, and G2 is the quality (g) of sample after enzymolysis, and W is the quality of starch in sample
(g).
The embodiment 6 one kinds salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid is applied in peanut cultivation ground
Four experimental plots are hewed out, respectively experimental plot A, experimental plot B, experimental plot C and test little in salt-soda soil
District D, the length of each experimental plot is about 10～15m, and in the soil of four experimental plots, water content is consistent, aqueous in soil
Amount is 10%, is first adjusted salt-soda soil soil conditioner, the upper Semen arachidis hypogaeae of plantation.
Experimental plot A: water-retaining agent is done at water source by product in embodiment 1 after agent absorbs water into gel and use bucket or packed
To ground, the consumption of agent done by water-retaining agent is 3.5～6.5kg/ mus, digs a parallel ditch, be deep at plant line-spacing stem 5～20cm
Root, is uniformly sprinkled into gel in ditch, turns over the even rear earthing that is mixed and covers, and irrigate, measures soil after having irrigated immediately
Water content in earth.
Experimental plot B: water-retaining agent is done at water source by product in embodiment 2 after agent absorbs water into gel and use bucket or packed
To ground, the consumption of agent done by water-retaining agent is 3.5～6.5kg/ mus, digs a parallel ditch, be deep at plant line-spacing stem 5～20cm
Root, is uniformly sprinkled into gel in ditch, turns over the even rear earthing that is mixed and covers, and irrigate, measures soil after having irrigated immediately
Water content in earth.
Experimental plot C: water-retaining agent is done at water source by product in embodiment 3 after agent absorbs water into gel and use bucket or packed
To ground, the consumption of agent done by water-retaining agent is 3.5～6.5kg/ mus, digs a parallel ditch, be deep at plant line-spacing stem 5～20cm
Root, is uniformly sprinkled into gel in ditch, turns over the even rear earthing that is mixed and covers, and irrigate, measures soil after having irrigated immediately
Water content in earth.
Experimental plot D: as controlled trial community, does not use this water-retaining agent, irrigates planting site, after having irrigated
Measure water content in soil immediately.
Investigation and statistical method: 1 day, 3 days, 5 days, 7 days, 9 days after planting site is irrigated respectively.
Result of the test:
(1) water-retaining agent prepared by the present invention has good effect to the water holding capacity of soil in salt-soda soil.
To the water holding capacity of soil in salt-soda soil: after irrigation, 1d soil moisture content is 69%～72%, after irrigation, 3d soil contains
The water yield is 59%～65%, and after irrigation, 5d soil moisture content is 50%～56%, and after irrigation, 7d soil moisture content is 44%～49%, irrigates
Rear 9d soil moisture content is 36%～43%.
Water-retaining agent prepared by table 1 present invention is to the Water-saving effect of soil in salt-soda soil
(2), after the water-retaining agent that prepared by the present invention uses, in peanut cultivation ground, nitrogen, phosphorus, the usage amount of potash fertilizer reduce.
After using, the usage amount of nitrogen, phosphorus, potash fertilizer in peanut cultivation ground: nitrogenous fertilizer usage amount 9.5～11kg/ mu, phosphate fertilizer use
Amount 7.3～8.7kg/ mus, potash fertilizer usage amount 3.8～5.0kg/ mu, specific targets are shown in Table 2.
Azophoska usage amount in peanut cultivation ground after water-retaining agent use prepared by table 2 present invention
(3) water-retaining agent that prepared by the present invention is without any side effects to peanut plant, and safety is high, also obtains beyond thought effect
Really, the effect of being significantly improved of the yield of Semen arachidis hypogaeae, per mu yield reaches 260-320 jin；In Semen arachidis hypogaeae, protein and fat content significantly carry
Height, protein content is 22.8-25.3g/100g, and fat content is 40.3-43.9g/100g, is specifically shown in Table 3.
Protein and fat content in the yield of table 3 Semen arachidis hypogaeae, Semen arachidis hypogaeae
In the present invention, comparison is not for use water-retaining agent situation of the present invention.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (10)
1. the salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid, it is characterised in that: described water-retaining agent, including poly-γ paddy ammonia
Acid, potassium sulfate, quano-phosphatic deposit powder, ammonium molybdate, catalyst, initiator, cross-linking agent, water.
A kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 1, it is characterised in that: described
Water-retaining agent, in parts by weight, including following components: poly-γ glutamic acid 15～30 parts, potassium sulfate 1.4～3.5 parts, quano-phosphatic deposit powder
0.65～1.7 part, ammonium molybdate 1.4～3.5 parts, marine products flat algae 1.4～3.5 parts, Entermorpha powder 0.65～1.7 parts, fermentation ermine excrement
0.65～1.7 part, fermentation deer excrement 1.4～3.5 parts, Fructus Cucurbitae moschatae seedling powder 1.4～3.5 parts, cotton stalk powder 1.4～3.5 parts, sesame residues
Powder 1.4～3.5 parts, Semen Benincasae oil cake powder 1.4～3.5 parts, glycine 1.4～3.5 parts, proline 2～5 parts, a-Nafusaku 1.4
～3.5 parts, Wakil 0.65～1.7 parts, catalyst 1.4～3.5 parts, initiator 0.65～1.7 parts, cross-linking agent 1.4～3.5
Part, water 70～160 parts.
A kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 2, it is characterised in that: described
The mesh number of marine products flat algae and Entermorpha powder is 60～210 mesh；The mesh number that described fermentation ermine excrement and fermentation deer excrement are dry is 45～150
Mesh powder.
A kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 2, it is characterised in that: described
The mesh number of Fructus Cucurbitae moschatae seedling powder and cotton stalk powder is 30～140 mesh；The mesh number of described Semen Sesami ground-slag and Semen Benincasae oil cake powder is 50～180
Mesh.
A kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 2, it is characterised in that: described
Catalyst is styrene.
A kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 2, it is characterised in that: described
Initiator is azodiisobutyronitrile；Described cross-linking agent is diglycidyl ether of ethylene glycol.
7. the preparation method of the salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid, it is characterised in that: described preparation method
Including the process of poly-γ glutamic acid, the process of described poly-γ glutamic acid includes poly-γ glutamic acid preparation process, cross-linking reaction step.
The preparation method of a kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 7, it is special
Levy and be: described poly-γ glutamic acid preparation process, is by Bacillus licheniformis solid fermentation system, culture medium be by bean dregs, wheat bran,
Nutritional solution forms, and bean cake, peanut residue, nutritional solution form, and bean cake, peanut residue, nutritional solution mass ratio are 5:4:3.
The preparation method of a kind of salt-soda soil Semen arachidis hypogaeae water-retaining agent containing poly-γ glutamic acid the most according to claim 7, it is special
Levy and be: described cross-linking reaction step, heating in water bath to 75～80 DEG C, oscillating reactions 4.5～6h.
10., containing the salt-soda soil Semen arachidis hypogaeae water-retaining agent of poly-γ glutamic acid and the application in the peanut cultivation of salt-soda soil thereof, it is special
Levy and be: the consumption of described water-retaining agent is 3.5～6.5kg/ mus.
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Application publication date: 20161026 |