CN106047357A - Method for performing natural soil greening on slight alkaline land by using salt-resistant water-retaining agent containing attapulgite - Google Patents
Method for performing natural soil greening on slight alkaline land by using salt-resistant water-retaining agent containing attapulgite Download PDFInfo
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Abstract
The invention provides a method for performing natural soil greening on slight alkaline land by using a salt-resistant water-retaining agent containing attapulgite. The water-retaining agent comprises attapulgite, acrylic acid, acrylamide, pine needle powder, walnut leaf powder, cassava starch, yam powder, corn stalk powder and bean peel powder. The preparation method comprises leaf powder treatment. The leaf powder treatment comprises a step of monomer solution preparation and a polymerization step. The invention further provides application of the water-retaining agent to trifolium repens plantin in saline-alkali soil. The method has the advantages that the prepared 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 1030-1300 times the weight of itself, the capability of water absorption in the rainwater can reach 680-820 times the weight of itself, and the capability of water absorption in the NaCl solution with a concentration of 0.6% can reach 390-530 times the weight of itself.
Description
Technical field
The present invention relates to a kind of method that salt-resistant type water-retaining agent containing attapulgite carries out original soil greening to slight alkaline land, belong to
In garden afforestation technology field.
Background technology
Saline-alkali soil is the general name of solonchak and alkaline earth.Solonchak refers mainly to chloride or the higher salinization soil of sulfate,
Soil is alkalescence, but pH value is the highest.Alkaline earth refer to carbonate containing or weight phosphatic soil, pH value is higher, soil in
Alkalescence, the content of organic matter of saline-alkali soil is few, and soil fertility is low, and physicochemical character is poor, not water easy-storing, to the harmful yin, yang of crop from
Son is many, and crop is difficult to promote Seedling.
Attapulgite also known as Paligorskite (Palygorskite) or Palygorskite, be a kind of have chain layer structure containing Shuifu County's magnesium
Aluminosilicate clays mineral.Its structure belongs to 2:1 type clay mineral.In each 2:1 unit structure layer, tetrahedron wafer angle top every
Certain distance direction overturns, cambium layer chain.The passage parallel with chain, channel cross section about 3.7* is formed at tetrahedron bar interband
6.3A°.Filling zeolite water and water of crystallization in passage.The special physicochemical properties having due to attapulgite clay and technique
Performance so that it is be used widely at aspects such as oil, chemical industry, building materials, papermaking, medicine, agriculturals.
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, after water-retaining agent prepared by the present invention uses in soil, the water content in soil increases inconspicuous；
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-resistant type water-retaining agent containing attapulgite is to slight salt
The method carrying out original soil greening alkali, 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), when carrying out water conservation during water-retaining agent prepared by the present invention is applied to salt-soda soil T.repens, T.repens is had no side effect,
Safety is high；
(4), after water-retaining agent prepared by the present invention uses in soil, largely improve the water content in soil；
(5) water-retaining agent prepared by the present invention is good to having Water-saving effect under the conditions of different in moisture to soil；
(6) water-retaining agent prepared by the present invention is good to the Water-saving effect of soil in salt-soda soil.
For solving above technical problem, the technical solution used in the present invention is as follows:
A kind of salt-resistant type water-retaining agent containing attapulgite, described water-retaining agent, including attapulgite, acrylic acid, acrylamide, Folium Pini powder,
Semen Juglandis leaf powder, tapioca, Rhizoma Dioscoreae starch, corn stalk powder, fresh kidney beans corium farinosum.
The following is and technique scheme is further defined that
Described water-retaining agent, in parts by weight, including following components: attapulgite 15～30 parts, acrylic acid 220～470 parts, propylene
Amide 20～46 parts, Folium Pini powder 0.6～1.6 parts, Semen Juglandis leaf powder 1.5～3.5 parts, tapioca 1.5～3.5 parts, Rhizoma Dioscoreae shallow lake
Powder 0.6～1.6 parts, corn stalk powder 1.5～3.5 parts, fresh kidney beans corium farinosum 1.5～3.5 parts, potassium carbonate 2～5 parts, APP 0.6
～1.6 parts, fermentation cattle manure 1.5～3.5 parts, fermented goose excrement 0.6～1.6 parts, bagasse powder 1.5～3.5 parts, tea seed cake powder 2～5
Part, the many Mils of thunder 0.6～1.6 parts, proline 1.5～3.5 parts, tryptophan 2～5 parts, initiator 0.25～0.7 part, cross-linking agent
0.9～2 part, water 280～620 parts.
Described initiator be the mass ratio of potassium peroxydisulfate and sodium sulfite, potassium peroxydisulfate and sodium sulfite be 3:2.
Described cross-linking agent is Ethylene glycol dimethacrylate.
The mesh number of described Folium Pini powder and Semen Juglandis leaf powder is 50～170 mesh；The mesh number of described tapioca and Rhizoma Dioscoreae starch
It is 115～270 mesh.
The mesh number of described corn stalk powder and fresh kidney beans corium farinosum is 65～230 mesh.
The preparation method of a kind of salt-resistant type water-retaining agent containing attapulgite, described preparation method includes the process of leaf powder, institute
The process stating leaf powder includes preparing monomer solution step, polymerization procedure.
Described preparing monomer solution step, with 30% sodium hydroxide solution, acrylic acid is neutralized reaction, regulation pH value is
7.1, acrylic acid degree of neutralization is 72%.
Described polymerization procedure, at the microwave reactor reaction 35S of the microwave power of 950W.
A kind of method that salt-resistant type water-retaining agent containing attapulgite carries out original soil greening to slight alkaline land, described water-retaining agent
Consumption is 2.5～5.2kg/m2.
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 1030～1300 times of own wt, and in rainwater, water absorbing capacity can reach 680～820 times of own wt,
In 0.6%NaCl solution, water absorbing capacity can reach 390～530 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 740～960 times of own wt, and in rainwater, water holding capacity can reach from heavy sensation of the body
450～630 times of amount, in 0.6%NaCl solution, water holding capacity can reach 270～380 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 25% evaporates completely needs 5～8 days, add the sand of water content 75% after water-retaining agent evaporate completely need 14～
17 days, after adding water-retaining agent, the loam of water content 25% evaporates completely needed 6～9 days, the loam of water content 75% after interpolation water-retaining agent
Evaporation completely needs 14～19 days.
4, after water-retaining agent prepared by the present invention uses in soil, largely improve the water content in soil, use
The sand water content 74.9%～86.4% of water-retaining agent, uses the loam water content 79.2%～90.5% of water-retaining agent.
5, water-retaining agent prepared by the present invention has good effect to the water holding capacity of soil in salt-soda soil, in salt-soda soil
The water holding capacity of soil: after irrigation, 1d soil moisture content is 69%～73%, after irrigation, 3d soil moisture content is 61%～66%, irrigates
Rear 5d soil moisture content is 49%～54%, and after irrigation, 7d soil moisture content is 40%～45%, and after irrigation, 9d soil moisture content is 37%
～42%.
6, after the water-retaining agent that prepared by the present invention uses, pest and disease damage in T.repens planting site is had certain preventive effect, use
After, the preventive effect of cutworm, Holotrichia diomphalia Bates, sclerotiniose in T.repens planting site: the preventive effect 64%～72% of cutworm, the preventive effect of Holotrichia diomphalia Bates
61%～69%, the preventive effect 50%～58% of sclerotiniose.
7, water-retaining agent prepared by the present invention is without any side effects to T.repens plant, and safety is high, also obtains and expects not
The effect arrived, the bud ratio of T.repens, the coverage of T.repens, the hay yield of T.repens are significantly improved work
With, the bud ratio 99.4%～99.9% of T.repens, the coverage 98.6%～99.4% of T.repens, the Radix Glycyrrhizae of T.repens produces
Amount 2.1 tons/mu～2.7 tons/mu.
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-resistant type water-retaining agent containing attapulgite
Described water-retaining agent, the mass ratio of each raw material components is:
Attapulgite 15 parts, 220 parts of acrylic acid, acrylamide 20 parts, 0.6 part of Folium Pini powder, Semen Juglandis leaf powder 1.5 parts, tapioca
1.5 parts, Rhizoma Dioscoreae starch 0.6 part, corn stalk powder 1.5 parts, fresh kidney beans corium farinosum 1.5 parts, potassium carbonate 2 parts, APP 0.6 part,
Ferment cattle manure 1.5 parts, 0.6 part of fermented goose excrement, bagasse powder 1.5 parts, tea seed cake powder 2 parts, the many Mils of thunder 0.6 part, proline 1.5
Part, tryptophan 2 parts, initiator 0.25 part, cross-linking agent 0.9 part, 280 parts of water.
The mesh number of described attapulgite is 400～1000 mesh；
Described acrylic acid active constituent content is 99%；
Described acrylamide active constituent content is 98%；
The mesh number of described Folium Pini powder and Semen Juglandis leaf powder is 50～170 mesh；
The mesh number of described tapioca and Rhizoma Dioscoreae starch is 115～270 mesh；
The mesh number of described corn stalk powder and fresh kidney beans corium farinosum is 65～230 mesh；
Described potassium carbonate active constituent content is 99%；
Described APP active constituent content is 99%；
The mesh number that described fermentation cattle manure and fermented goose excrement are dry is 80～175 mesh powder；
The mesh number of described bagasse powder and tea seed cake powder is 80～240 mesh；
Described thunder many Mils active constituent content is 69%；
The active constituent content of described proline is 45%；
The active constituent content of described tryptophan is 99%；
Described initiator be the mass ratio of potassium peroxydisulfate and sodium sulfite, potassium peroxydisulfate and sodium sulfite be 3:2；
Described cross-linking agent is Ethylene glycol dimethacrylate.
The embodiment 2 one kinds salt-resistant type water-retaining agent containing attapulgite
Described water-retaining agent, the mass ratio of each raw material components is:
Attapulgite 20 parts, 310 parts of acrylic acid, acrylamide 30 parts, 1 part of Folium Pini powder, Semen Juglandis leaf powder 2 parts, tapioca 2 parts,
Rhizoma Dioscoreae starch 1 part, corn stalk powder 2 parts, fresh kidney beans corium farinosum 2 parts, potassium carbonate 3 parts, APP 1 part, fermentation cattle manure 2 parts, fermentation
1 part of goose excrement, bagasse powder 2 parts, tea seed cake powder 3 parts, the many Mils of thunder 1 part, proline 2 parts, tryptophan 3 parts, initiator 0.4 part,
Cross-linking agent 1.3 parts, 400 parts of water.
The mesh number of described attapulgite is 400～1000 mesh；
Described acrylic acid active constituent content is 99%；
Described acrylamide active constituent content is 98%；
The mesh number of described Folium Pini powder and Semen Juglandis leaf powder is 50～170 mesh；
The mesh number of described tapioca and Rhizoma Dioscoreae starch is 115～270 mesh；
The mesh number of described corn stalk powder and fresh kidney beans corium farinosum is 65～230 mesh；
Described potassium carbonate active constituent content is 99%；
Described APP active constituent content is 99%；
The mesh number that described fermentation cattle manure and fermented goose excrement are dry is 80～175 mesh powder；
The mesh number of described bagasse powder and tea seed cake powder is 80～240 mesh；
Described thunder many Mils active constituent content is 69%；
The active constituent content of described proline is 45%；
The active constituent content of described tryptophan is 99%；
Described initiator be the mass ratio of potassium peroxydisulfate and sodium sulfite, potassium peroxydisulfate and sodium sulfite be 3:2；
Described cross-linking agent is Ethylene glycol dimethacrylate.
The embodiment 3 one kinds salt-resistant type water-retaining agent containing attapulgite
Described water-retaining agent, the mass ratio of each raw material components is:
Attapulgite 30 parts, 470 parts of acrylic acid, acrylamide 46 parts, 1.6 parts of Folium Pini powder, Semen Juglandis leaf powder 3.5 parts, tapioca
3.5 parts, Rhizoma Dioscoreae starch 1.6 parts, corn stalk powder 3.5 parts, fresh kidney beans corium farinosum 3.5 parts, potassium carbonate 5 parts, APP 1.6 part,
Ferment cattle manure 3.5 parts, 1.6 parts of fermented goose excrement, bagasse powder 3.5 parts, tea seed cake powder 5 parts, the many Mils of thunder 1.6 parts, proline 3 .5
Part, tryptophan 5 parts, initiator 0.7 part, cross-linking agent 2 parts, 620 parts of water.
The mesh number of described attapulgite is 400～1000 mesh；
Described acrylic acid active constituent content is 99%；
Described acrylamide active constituent content is 98%；
The mesh number of described Folium Pini powder and Semen Juglandis leaf powder is 50～170 mesh；
The mesh number of described tapioca and Rhizoma Dioscoreae starch is 115～270 mesh；
The mesh number of described corn stalk powder and fresh kidney beans corium farinosum is 65～230 mesh；
Described potassium carbonate active constituent content is 99%；
Described APP active constituent content is 99%；
The mesh number that described fermentation cattle manure and fermented goose excrement are dry is 80～175 mesh powder；
The mesh number of described bagasse powder and tea seed cake powder is 80～240 mesh；
Described thunder many Mils active constituent content is 69%；
The active constituent content of described proline is 45%；
The active constituent content of described tryptophan is 99%；
Described initiator be the mass ratio of potassium peroxydisulfate and sodium sulfite, potassium peroxydisulfate and sodium sulfite be 3:2；
Described cross-linking agent is Ethylene glycol dimethacrylate.
The preparation method of the embodiment 4 one kinds salt-resistant type water-retaining agent containing attapulgite
Described plant water keeping agent, preparation method includes:
(1) process of attapulgite:
A, weigh
Weigh the attapulgite described in embodiment 1～3, acrylic acid, acrylamide, initiator, cross-linking agent, water.
B, prepare monomer solution
In reaction bulb, add acrylic acid, then under ice-water bath cools down, be slowly added into 30% sodium hydroxide solution with Dropping funnel,
Being neutralized reaction, regulation pH value is 7.1, and acrylic acid degree of neutralization is 72%；
C, polymerization
By acrylamide, attapulgite mixing, stir, be subsequently adding cross-linking agent, initiator, soluble in water, add monomer molten
Liquid, stirs, and is transferred in microwave reactor, and the microwave power at 950W reacts 35S, obtains thick attapulgite and produces
Thing, puts into this product in baking oven in 85 DEG C of dry 36h and pulverizes；
(2) each composition is weighed
According to the water-retaining agent formula described in embodiment 1～3, weigh Folium Pini powder, Semen Juglandis leaf powder, tapioca, Rhizoma Dioscoreae starch, jade
Rice powder of straw, fresh kidney beans corium farinosum, potassium carbonate, APP, fermentation cattle manure, fermented goose excrement, bagasse powder, tea seed cake powder, Lei Duo meter
That, proline, tryptophan.
(3) mixing
By prepared attapulgite product, Folium Pini powder, Semen Juglandis leaf powder, tapioca, Rhizoma Dioscoreae starch, corn stalk powder, fresh kidney beans corium farinosum,
Potassium carbonate, APP, fermentation cattle manure, fermented goose excrement, bagasse powder, tea seed cake powder, the many Mils of thunder, proline, tryptophan mix
Close uniformly, prepare mixture；
(4) granule is prepared
Said mixture being transported to comminutor and is dried granulation, baking temperature is 65 DEG C～70 DEG C, prepares granule, then mistake
The screen cloth of 100～350 mesh, water content control is within 1%.
The performance test of the embodiment 5 one kinds salt-resistant type water-retaining agent containing attapulgite
(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 0.6%, 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) soil basis determining of water-retaining agent is used
Soil substantially can be divided into sand and 2 kinds of loam.Take above-mentioned 2 kinds after appropriate natural air drying and supply examination soil sample, weigh embodiment 1
It is sufficiently mixed uniformly with 1:10 ratio to embodiment 3 water-retaining agent and soil sample, is placed in funnel and adds distilled water filtration, until without filtrate
Flow out, claim weight in wet base；Claim dry weight after natural air drying, air-dried soil sample is placed in funnel and adds distilled water filtration to the most saturated. water conservation
Agent water absorption soil moisture content in soil.
The computing formula of soil moisture content is as follows:
Soil moisture content (g/g)=［ (m1～m2)/m2 ］ × 100%
Wherein, m1 is quality after soil water sorption, and m2 is for for drying soil property amount.
The method that the embodiment 6 one kinds salt-resistant type water-retaining agent containing attapulgite carries out original soil greening to slight alkaline land
Plantation T.repens:
1, soil treatment before sowing
A, the selection of beach saline land
Selecting 0～40cm soil layer salinity is 2.4～2.6%, and soil pH is the soil plot of the moderate salinization of soil of 7.6～7.8,
Soil moisture content is 7～9%, and the water holding hole of soil is 23～25%, and alkalization of soils degree is 5～10%, to go out when broadcasting preplanting treatment
Stubble remove impurity, broken soil block, grade, the rhizome such as perennial tree, weeds is picked, butch clover seed is tiny, and seedling pushes up
Soil power is weak, and leveling rake is carefully conducive to emerging；
B, the improvement of beach saline land
Executing soil conditioner in the body of ridge with base manure form during whole ground ridging, usage amount is 700～742 kgs/acre, is changed by soil
The good dose of soil surface being uniformly sprinkling upon salt-soda soil, and with Cultivator by soil deep plough 10～20 centimetres so that soil conditioner and
Alkaline land soil is sufficiently mixed uniformly, irrigates after using soil conditioner；
The component of described soil conditioner:
Fermentation Cortex Pini squama 8-10 part, fishbone powder 5-7 part, desulfuration waste 2-4 part, antigorite powder 2-4 part, potassium fulvate 1-
3 parts, ferrous sulfate 2-4 part, calcium hydrogen phosphate-53 parts, amino acid salts 1-3 part, benzoic acid 0.5-0.7 part, glyphosine 0.2-0.4
Part, regulation phosphine 0.1-0.3 part, chloroflurenol 0.1-0.3 part, sodium aluminosilicate 3-5 part, chitin 0.1-0.3 part, chelated copper 0.1-
0.3 part, sabkha salt bacillus 0.1-0.3 part, Bacillus coagulans 0.1-0.3 part, azotobacter vinelandii 0.1-0.3 part, yeast
0.1-0.3 part；
Described antigorite powder is 200～300 mesh；
Described potassium fulvate effective ingredient is 95%, and water solublity is 99%；
Described amino acid salts includes cysteine salt, leucine salt and tyrosine salt, and mass ratio is 1:1:1.
Described sabkha salt bacillus, Bacillus coagulans, azotobacter vinelandii, yeast pick up from commercially available.
C, use the water-retaining agent of the present invention
By 2.5～5.2kg/m2Amount water-retaining agent is uniformly sprinkling upon on smooth plot, irrigate after earthing a little, until soil
Saturated, check 1 day after irrigation, 3 days, 5 days, 7 days, the water content of 9 days, then sow.
2, sowing
Divide early April to mid-May of sowing in spring, application rate 0.4～0.52 kg/acre sowing time, can add 5 during sowing～10 times of fine sands
Soil is mixed and is sowed the most afterwards, and type of seeding is broadcasted sowing or drilling, cover fine earth 1 after broadcasting～1.5 centimetres sowed and be deeply difficult to emerge, typically handle
Seed is gently harrowed with shallow spike-tooth harrow after being spread on seed furrow or earth's surface or sweeps even with thick bamboo broom, unbroken overcast and rainy time sowing may not be used yet
Earthing.
3, the management before Cheng Ping
After seed is sown into level ground bed, if being provided with spray irrigation system in advance, can spray.There is no spray irrigation system, self-control can be used
Shower nozzle, artificial spray water.Every morning or dusk spray, and make bed surface, level ground keep moistening until emerging all the time.Go out
Miao Houke reduces water spray number of times, but still needs to manage with delicacy.Seedling management about 30～50 days, period waters except attention and makes level ground bed keep
Outside Shi Run, also to remove weeds at any time, mainly manually pull out, prevent Weed infestation.
4, the management after Cheng Ping
A () is topdressed:
Seedling stage, root nodule bacteria did not also generate, and need to supplement a small amount of nitrogenous fertilizer.After emerging, strain lobule Huang, 2 liang of carbamide of every mu of use add 1 liang of phosphorus
Acid dihydride potassium is converted 15 kg of water and is sprayed, and to promote that strong sprout is the longest, notes imposing compound fertilizer, and trench digging applies lawn root, so
After water, can be remarkably reinforced growing way, improve the ability of high temperature resistance, reduce dead grass phenomenon.
B () imposes water-retaining agent
Be separated by 1 year and can impose water-retaining agent to a year and a half, some uniform vesicles are stabbed with many fingers palladium in lawn, then by 3～
5kg/m2Uniformly dispense water-retaining agent of the present invention, with the scattered water spray of slightly pressure, this agent granule is poured in vesicle after spreading fertilizer over the fields, first
Within two days, duty is watered.
(c) pest control:
The main common pests of T.repens has Prodenia litura, beet armyworm, mythimna separata, cutworm, Pieris rapae, aphid, Holotrichia diomphalia Bates, leaf mining
Fly, leafhopper, tetranychid, Limax etc., Common Diseases has rust, brown spot, powdery mildew, southern blight and sclerotiniose.Note at ordinary times observing,
Find when pest and disease damage generating capacity is many, timely medication preventing and treating.
D () cradles management:
When growing the busy season and surviving the winter, the moisture of abundance to be supplied, to ensure vigorous growth and safe overwintering.Can carry out before midsummer
Once cradle, and water sufficient water, make plant keep green.Cradle again once before surviving the winter, water foot winter water.So, when the coming year turns green, level ground
Without withered and yellow branch and leaf on face.
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%～73%, after irrigation, 3d soil contains
The water yield is 61%～66%, and after irrigation, 5d soil moisture content is 49%～54%, and after irrigation, 7d soil moisture content is 40%～45%, irrigates
Rear 9d soil moisture content is 37%～42%.
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, pest and disease damage in T.repens planting site had certain preventive effect.
After using, the preventive effect of cutworm, Holotrichia diomphalia Bates, sclerotiniose in T.repens planting site: the preventive effect 64%～72% of cutworm,
The preventive effect 61%～69% of Holotrichia diomphalia Bates, the preventive effect 50%～58% of sclerotiniose, specific targets are shown in Table 2.
The preventive effect of the pest and disease damage in T.repens planting site after water-retaining agent use prepared by table 2 present invention
(3) water-retaining agent prepared by the present invention is without any side effects to T.repens plant, and safety is high, also obtains beyond thought
Effect, the bud ratio of T.repens, the coverage of T.repens, the hay yield of the T.repens effect of being significantly improved, in vain
The bud ratio 99.4%～99.9% of clover, the coverage 98.6%～99.4% of T.repens, the hay yield 2.1 of T.repens
Ton/mu～2.7 tons/mu, be specifically shown in Table 3.
Bud ratio, coverage and the hay yield of table 3 T.repens
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-resistant type water-retaining agent containing attapulgite, it is characterised in that: described water-retaining agent, including attapulgite, acrylic acid, propylene
Amide, Folium Pini powder, Semen Juglandis leaf powder, tapioca, Rhizoma Dioscoreae starch, corn stalk powder, fresh kidney beans corium farinosum.
A kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 1, it is characterised in that: described water-retaining agent, with
Weight portion meter, including following components: attapulgite 15～30 parts, acrylic acid 220～470 parts, acrylamide 20～46 parts, Folium Pini
Powder 0.6～1.6 parts, Semen Juglandis leaf powder 1.5～3.5 parts, tapioca 1.5～3.5 parts, Rhizoma Dioscoreae starch 0.6～1.6 parts, Semen Maydis
Powder of straw 1.5～3.5 parts, fresh kidney beans corium farinosum 1.5～3.5 parts, potassium carbonate 2～5 parts, APP 0.6～1.6 parts, fermentation cattle manure
1.5～3.5 parts, fermented goose excrement 0.6～1.6 parts, bagasse powder 1.5～3.5 parts, tea seed cake powder 2～5 parts, the many Mils of thunder 0.6～
1.6 parts, proline 1.5～3.5 parts, tryptophan 2～5 parts, initiator 0.25～0.7 part, cross-linking agent 0.9～2 parts, water 280～
620 parts.
A kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 2, it is characterised in that: described initiator was
The mass ratio of potassium sulfate and sodium sulfite, potassium peroxydisulfate and sodium sulfite is 3:2.
A kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 2, it is characterised in that: described cross-linking agent is two
Methacrylic acid glycol ester.
A kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 2, it is characterised in that: described Folium Pini powder and core
The mesh number of leaf of Fructus Persicae powder is 50～170 mesh；The mesh number of described tapioca and Rhizoma Dioscoreae starch is 115～270 mesh.
A kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 2, it is characterised in that: described corn stalk powder
It is 65～230 mesh with the mesh number of fresh kidney beans corium farinosum.
7. the preparation method of the salt-resistant type water-retaining agent containing attapulgite, it is characterised in that: described preparation method includes leaf powder
Process, the process of described leaf powder includes preparing monomer solution step, polymerization procedure.
The preparation method of a kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 7, it is characterised in that: described
Preparing monomer solution step, with 30% sodium hydroxide solution, acrylic acid is neutralized reaction, regulation pH value is 7.1, acrylic acid
Degree of neutralization is 72%.
The preparation method of a kind of salt-resistant type water-retaining agent containing attapulgite the most according to claim 6, it is characterised in that: described
Polymerization procedure, at the microwave reactor reaction 35S of the microwave power of 950W.
10. the method that the salt-resistant type water-retaining agent containing attapulgite carries out original soil greening to slight alkaline land, it is characterised in that: institute
The consumption stating water-retaining agent is 2.5～5.2kg/m2。
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| CN109699228A (en) * | 2019-01-25 | 2019-05-03 | 江苏省农业科学院 | A method of it promoting grittiness Reclaimed Land soil fertility and improves soil texture |
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