CN109777441A - A kind of alkaline soil improver and application - Google Patents
A kind of alkaline soil improver and application Download PDFInfo
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- CN109777441A CN109777441A CN201910181471.XA CN201910181471A CN109777441A CN 109777441 A CN109777441 A CN 109777441A CN 201910181471 A CN201910181471 A CN 201910181471A CN 109777441 A CN109777441 A CN 109777441A
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Abstract
The invention belongs to soil conditioner fields, and in particular to a kind of alkaline soil improver.Alkaline soil improver of the invention, including polyglutamic acid, activation humic acid, amino acid waste liquid, ammonium polyphosphate, citric-acid fermentation waste residue, pulullan polysaccharide, poly-aspartate, sodium carboxymethyl starch, tetrahydropyrimidine, trehalose.The present invention is by adding water-retaining agent control salt, addition mor activates humic acid and amino acid waste liquid controls pH value, adds chelating agent prevents from solidifying and adding the purpose that homeo-osmosis agent prevents root system to be dehydrated several aspects realization improvement basic soils.The advantage of the invention is that the natural and poisonless biological degradable of raw material, cost low yield is big, can sufficiently realize the validity of soil nutrient；Activate the reactivity that humic acid improves organic matter, the amino acid waste liquid based on monosodium glutamate waste liquid, the two synergy；Water-retaining agent, chelating agent and homeo-osmosis agent collective effect, enhance advantage of the invention.
Description
Technical field
The invention belongs to soil conditioner fields, and in particular to a kind of alkaline soil improver further relates to above-mentioned alkalinity
The application of soil conditioner.
Background technique
With the fast development of industrial civilization, also it is highlighted in recent years using environment as the various disastrous effects of cost and has reacted
Come, natural environment includes that edaphic condition becomes worse and worse.It is in particular in: retention capacity of soil decline, gas permeability decline, point
It solves reducing power to decline, pesticide residue, water pollution, heavy metal pollution of soil is got worse.In addition, since the mankind are unreasonable
Production method causes the Pedotransfer function of arid, semiarid zone.
Basic soil refers to the soil that soil acidity or alkalinity (pH value) is greater than 7.The formation of basic soil mainly by weather,
The influence of many factors such as the salt alkali content in shape, the hydrology and the influence of human interference factor and seawater.
It is solvable in basic soil especially soil since general crop optimum is grown in neutral or weakly acidic pH soil
After salinity reaches certain amount, it will have a direct impact on crop germination, be unfavorable for the normal growth and development of crops.It was found that slight salt
Alkali (salt content<3 ‰) the soil underproduction 30% can be caused, (salt content>6 ‰) can make crop growth bad heavy salinizedly,
The soil significantly underproduction, or even become barren land.
The ameliorative measure about basic soil and secondary salinization of land mainly has at present: the desalinization of soil by flooding or leaching, level land, deep plough plough deeply,
It rakes the soil level in due course, applying organic manure etc..Above method measure is simple, is convenient for operation, but only limits slight salt-soda soil region manual operation,
Implementation can not be carried out on a large scale, it is even more impossible to eradicate.
CN107298979A discloses saline-alkali soil modifying agent, it is characterised in that: the composition of the soil conditioner
And its parts by weight are as follows: 650-700 parts of ecological organic fertilizer, 12-15 parts of water-retaining agent, 200-220 parts of trophic factors, aluminum sulfate 37-40
Part, 45-50 parts of sulphur, 10-12 parts of ardealite, 3-4 parts of polyvinyl alcohol, 3-5 parts of functional oligopeptide.Its water-retaining agent is polyacrylamide
Amine or acrylate polymer or starch-polyacrylate acid salt graft polymers or carboxymethyl cellulose crosslinked body or acrylic acid
Salt acrylamide copolymer.
The advantage is that: 1) raw material cow dung, weathered coal used in, alcohol slag, turf, oyster mushroom edible fungi residue, furfural
Slag is all the by-product or discarded slag charge of industrial and agricultural production, not only cheap, but also realizes the full utilization of resource, is protected
Environment is protected；2) ecological organic fertilizer provides organic matter, organic acid is conducive to improve the soil property of saline-alkali soil, alditol slag, sulphur
The pH value of soil can be reduced；3) trivalent aluminium ion that aluminum sulfate hydrolysis obtains has very strong replacement ability, effectively reduces
The total salt content of alkaline land soil, functional oligopeptide can form complex compound with the trace element ion in solution, and then be planted
Object root system absorbs, and peomotes plant growth.
Above-mentioned scheme, as water-retaining agent, is organic polymer difficult to degrade using polyacrylamide or polyacrylic acid, long
Residual can cause adverse effect to environment in the soil for phase application, and wherein added aluminium salt can be absorbed by crops, aluminium ion meeting
Plant growth, food safety generate certain risk, therefore have much room for improvement.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of efficient, environmentally protective basic soil improvement
Agent.
The design of technical solution is in the present invention:
(1) water-retaining agent control salt is added:
Water-retaining agent is super absorbent resin, it is a kind of functional polymer material that water absorbing capacity is especially strong.It is intermolecular to be
Reticular structure made of cross-linked polymeric, containing very strong hydrophilic radical, it is nontoxic, can absorb water repeatedly, release water, reduces
Rate of water migration, stable soil structure promote plant growth and development.
(2) addition organic matter increases soil fertility:
Organic matter is mostly for agricultural wastes such as stalk, excrement, and organic matter provided by the present invention is to activate humic acid
For raw material, the buffer capacity of soil can be improved, enhancing soil nutrient decomposes, and improves the fertility of saline-alkali soil.
(3) pH value is controlled, is improved the ecological environment:
The raw material of liquid basified soil conditioner is mostly acidity, especially to activate based on humic acid and amino acid waste liquid
Organic matter generates a large amount of organic acid in decomposable process, can neutralize basic soil.
(4) homeo-osmosis agent is added, supplemental crop growth:
Homeo-osmosis agent can protect intraor extracellular water balance, and root system is prevented to be dehydrated, and enhance crop root water absorbing capacity
Power.
Soil conditioner is prepared into graininess by the present invention, to enhance its stability, prevents its decomposition.
The modifying agent provided by the present invention for being directed to basic soil is made of the raw material of following parts by weight:
The water content of citric-acid fermentation waste residue is 15-18%, pH value 2.5-3.0.
Polyglutamic acid, ammonium polyphosphate, pulullan polysaccharide, sodium carboxymethyl starch, trehalose partial size be 80-100 mesh.
The preparation method of alkaline soil improver includes the steps that following:
(1) 1-5 parts of polyglutamic acids, 25-35 parts of activation humic acid, 5-25 parts are sequentially added in the water of 20-30 parts of room temperature
Amino acid waste liquid, 0.2-0.8 part poly-aspartate, stir evenly, are then allowed to stand 5-10min；Obtain mixed solution A；
(2) be then added in mixed solution A 5-10 parts of ammonium polyphosphate, 1-5 portions of trehaloses and 2-4 parts of tetrahydropyrimidines,
0.2-0.4 parts of citric-acid fermentation waste residues, stirring are uniformly mixed it；
(3) it is kept for 0.8-1.2 hours, then is cooled to room temperature after being heated to 40-45 DEG C, is granulated, obtain basic soil improvement
Agent.
Preferably, the preparation method of alkaline soil improver includes the steps that following:
(1) 1-5 parts of polyglutamic acids, 25-35 parts of activation humic acid, 5-25 parts are sequentially added in the water of 20-30 parts of room temperature
Amino acid waste liquid, 0.2-0.8 part poly-aspartate, stir evenly, are then allowed to stand 5-10min；Obtain mixed solution A；
(2) be then added in mixed solution A 5-10 parts of ammonium polyphosphate, 1-5 portions of trehaloses and 2-4 parts of tetrahydropyrimidines,
0.1-0.3 parts of sodium carboxymethyl starches, stirring are uniformly mixed it；Obtain mixed solution B；
(3) 0.2-0.4 parts of citric-acid fermentation waste residues are taken, 2-5 parts of water are added, crush 3-5 points with the speed of 1000r/min
Clock is subsequently poured into mixed solution B, stirs evenly；Obtain mixture C；
(4) mixture C is heated to 40-45 DEG C, and is kept for 0.8-1.2 hours, then is cooled to room temperature, in pelletizer
It is granulated, drying obtains alkaline soil improver.
The partial size of granulation is 1-2mm.
Application and invention which is intended to be protected of the above-mentioned alkaline soil improver in saline and alkaline soil.
The dosage of soil conditioner are as follows: pH value is 7.5-7.8 but when not including 7.8, per acre dosage 50-65kg；PH value is
7.8-8.2 but when not including 8.2, dosage is 66-80kg per acre；When pH value is 8.2-8.8, dosage is 81-95kg per acre.
Contain polyglutamic acid in water-retaining agent.Polyglutamic acid is also known as natto gum, polyglutamic acid, is a kind of to be sent out using microorganism
Boiomacromolecule made from ferment method, and a kind of natural water-retaining agent.
Organic matter is the mixture for activating humic acid and amino acid waste liquid；
Humic acid is the natural mineralising organic matter based on coal.Humic acid reserves are big, distribution is wide, from a wealth of sources, and rotten
It grows acid and does not obtain preferable either more universal application.Humic acid is activated, in order to improve the reactivity of organic matter, to plant
Object and microorganism provide nutrition or suitable living environment.Traditional handicraft is not activated humic acid, directly using rotten
The way of sour original powder is grown, modifying agent synergy can not be played the role of.The activation degree of humic acid is humic acid synergy modifying agent
Pith.The present invention uses the humic acid after activation.
Amino acid waste liquid of the present invention is primarily referred to as waste liquid caused by amino acid fermentation industry.Current production rate is most
Big amino acid kind is glutamic acid, and amino acid waste liquid of the present invention is primarily referred to as sodium glutamate (i.e. monosodium glutamate) and produced
The waste liquid generated in journey.With amino acid fermentation industrial expansion, generated amino acid waste liquid amount is also more and more, this is also
Extensive use of the amino acid waste liquid in liquid basified soil conditioner based on monosodium glutamate waste liquid provides necessity and may
Property.
Amino acid waste liquid is mainly as the advantage of liquid basified soil conditioner:
1, amino acid is organic matter.Organic matter is biogenous material base, the earth significant to vital movement
Upper all life forms all contain large amount of organic, and the intracorporal metabolism of life is directed to the transformation of organic compound.
Organic matter and vital movement including amino acid is closely related, can more effectively play modifying agent using amino acid waste liquid
Effect；
2, amino acid waste liquid is liquid, can effectively be combined with calcium ion, magnesium ion, iron ion and microelement, avoid producing
Raw low-solubility salt, effectively facilitates the absorption and utilization of microelement；
3, the pH value of amino acid waste liquid is acidity.Basic soil can be effectively neutralized, soil plate is avoided.
Contain ammonium polyphosphate in chelating agent, ammonium polyphosphate is non-toxic and tasteless, does not generate etchant gas, and hygroscopicity is small, thermostabilization
Property it is high, there is significant chelation to metal ion, be a kind of chelating agent of function admirable.Liquid basified soil conditioner exists
When encountering the microelements such as calcium, magnesium, iron, the chelation that can use ammonium polyphosphate prevents its solidification.Therefore this slow dissolubility
Long-acting modifying agent can greatly improve the dissolution rate and effective rate of utilization of the microelements such as calcium, magnesium, iron.
Poly-aspartate, pulullan polysaccharide are also applied in soil conditioner by the invention, and discovery applies it
Water conservation and anti-chelation significant effect afterwards.
Homeo-osmosis agent uses trehalose and tetrahydropyrimidine, the weight ratio of trehalose and tetrahydropyrimidine be (such as 1~
5:2).Trehalose is also known as Radix Rhapontici seu Radix Echinopsis sugar, gill fungus sugar etc., is a kind of safe and reliable natural carbohydrate, has to various bioactivators
Non-specific protective effect.Trehalose is all widely present in many edible animals and plants and microbial body in nature.Tetrahydro
Pyrimidine is a kind of generally existing osmotic pressure compensation solute remained in existence and the microorganism bred in hypersaline environment.PH value
Higher and with high salt edaphic condition can destroy intraor extracellular water balance, influence cell and be normally metabolized, to limit big portion
Divide the growth and breeding of microorganism.As homeo-osmosis agent, main function is to prevent root system de- for trehalose and tetrahydropyrimidine
Water enhances crop root water absorbing capacity.
Compared with existing alkaline soil improver, maximum improvement is the present invention:
(1) human body and environment poisonless biological degradable can be obtained tasteless in selected water-retaining agent polyglutamic acid after water-soluble
The solution of clean transparent, can sufficiently keep the moisture in soil, improve the soil especially bulkiness of basic soil and porosity,
So as to improve the water holding capacity of soil；Same pulullan polysaccharide and sodium carboxymethyl starch are also nontoxic and biodegradable
Raw material either brings harm to soil applied to not will lead to soil pollution in soil；
(2) polyglutamic acid can also root hair surface formed thin film, by soil nutrient and moisture be transported to agriculture
The root hair of crop, promotes the development of crop root, effectively improves dissolution, storage, conveying and the absorption of improvement liquid.In varieties in saline-alkali areas
Using polyglutamic acid, the utilization rate of improvement liquid can be greatly improved, keeps moisture and nutrient to be effectively distributed in around root system, quilt
Plant is more absorbed and utilized, and reduces and is lost caused by evaporation, leakage etc..
(3) under the hyperosmosis environment such as salt-soda soil, trehalose and tetrahydropyrimidine into the cell can high concentration to accumulate these molten
Matter avoids alkali composition with high salt from penetrating into intracellular and damage.The homeo-osmosis function of trehalose and tetrahydropyrimidine is and cell
The compatible function without influencing other biological macromolecular of interior system, this type organic can accumulate to make thin in high concentration intracellular
Outer osmotic balance intracellular, and the normal metabolic activity of cell is not interfered.
The present invention is improved in the selection of raw material, has selected improved effect significant and to the original of the mild friendly of soil
Material, and in the present invention in the preparation method of soil conditioner, the various raw materials of the addition of sequence, keep each raw material uniform step by step
While dispersion, its active constituent is remained compared with limits, convenient for preferably improveing to soil.
Detailed description of the invention
Fig. 1 is that it tests effect contrast figure after the soil conditioner in embodiment 6 is applied to peanut cultivation；
Fig. 2 is the experimental effect analysis histogram that the soil conditioner in embodiment 6 is applied in peanut cultivation；
Fig. 3 is the experiment effect figure that the soil conditioner in embodiment 7 is applied in wheat planting.
Specific embodiment
Next with reference to the accompanying drawings and detailed description the present invention will be further explained, so as to the technology of this field
Personnel know more about the person that is not specified actual conditions in the embodiment of the present invention, carry out according to conventional conditions or manufacturer's recommended conditions.
Reagents or instruments used without specified manufacturer is the conventional products that can be obtained by commercially available purchase.
Activation humic acid is that the applicant's unit voluntarily produces, and detailed production method is shown in that CN105085112B " is utilized
The technique of biological enzyme activation Lignitic Humic Acid " it discloses, details are not described herein；
Polyglutamic acid is the production of Wuhan brilliance epoch Biotechnology Co., Ltd；
Embodiment 1
The preparation method of alkaline soil improver includes the steps that following:
(1) sequentially added in the water of 25 parts of room temperature 3 parts of polyglutamic acids, 30 parts of activation humic acid, 15 parts of amino acid waste liquids,
0.5 part of poly-aspartate, stirs evenly, is then allowed to stand 8min；Obtain mixed solution A；
(2) 7 parts of ammonium polyphosphate, 3 portions of trehaloses, 0.3 part of citric-acid fermentation waste residue and 3 are then added in mixed solution A
Part tetrahydropyrimidine, stirring are uniformly mixed it；
(3) it is kept for 1 hour after being heated to 42 DEG C, then is cooled to room temperature, is granulated in pelletizer, dried, obtain alkaline soil
Earth modifying agent.
Embodiment 2
The preparation method of alkaline soil improver includes the steps that following:
(1) sequentially added in the water of 25 parts of room temperature 3 parts of polyglutamic acids, 30 parts of activation humic acid, 20 parts of amino acid waste liquids,
0.5 part of poly-aspartate, stirs evenly, is then allowed to stand 8min；Obtain mixed solution A；
(2) 8 parts of ammonium polyphosphate, 3 portions of trehaloses and 3 parts of tetrahydropyrimidines, 0.2 part of carboxylic first are then added in mixed solution A
Base sodium starch, stirring are uniformly mixed it；Obtain mixed solution B；
(3) 0.3 citric-acid fermentation waste residue is taken, 4 parts of water are added, is crushed 4 minutes, is subsequently poured into the speed of 1000r/min
Into mixed solution B, stir evenly；Obtain mixture C；
(4) mixture C is heated to 42 DEG C, and is kept for 0.9 hour, then be cooled to room temperature, be granulated in pelletizer, made
The partial size of grain is 1mm or so, and drying obtains alkaline soil improver.
Embodiment 3
The preparation method of alkaline soil improver includes the steps that following:
(1) sequentially added in the water of 20 parts of room temperature 1 part of polyglutamic acid, 25 parts of activation humic acid, 5 parts of amino acid waste liquids,
0.2 part of poly-aspartate, stirs evenly, is then allowed to stand 5min；Obtain mixed solution A；
(2) 5 parts of ammonium polyphosphate, 1 portion of trehalose and 2 parts of tetrahydropyrimidines, 0.1 part of carboxylic first are then added in mixed solution A
Base sodium starch, stirring are uniformly mixed it；Obtain mixed solution B；
(3) 0.2 citric-acid fermentation waste residue is taken, 2 parts of water are added, is crushed 3 minutes, is subsequently poured into the speed of 1000r/min
Into mixed solution B, stir evenly；Obtain mixture C；
(4) mixture C is heated to 40 DEG C, and is kept for 0.8 hour, then be cooled to room temperature, be granulated in pelletizer, made
The partial size of grain is 1.5mm or so, and drying obtains alkaline soil improver.
Embodiment 4
The preparation method of alkaline soil improver includes the steps that following:
(1) sequentially added in the water of 30 parts of room temperature 5 parts of polyglutamic acids, 35 parts of activation humic acid, 25 parts of amino acid waste liquids,
0.8 part of poly-aspartate, stirs evenly, is then allowed to stand 10min；Obtain mixed solution A；
(2) 10 parts of ammonium polyphosphate, 5 portions of trehaloses and 4 parts of tetrahydropyrimidines, 0.3 part of carboxylic first are then added in mixed solution A
Base sodium starch, stirring are uniformly mixed it；Obtain mixed solution B；
(3) 0.4 citric-acid fermentation waste residue is taken, 5 parts of water are added, is crushed 5 minutes, is subsequently poured into the speed of 1000r/min
Into mixed solution B, stir evenly；Obtain mixture C；
(4) mixture C is heated to 45 DEG C, and is kept for 1.2 hours, then be cooled to room temperature, be granulated in pelletizer, made
The partial size of grain is 1.2mm or so, and drying obtains alkaline soil improver.
2018, the soil conditioner in embodiment 1-4 is tested in the bright water in Jinan City, Shandong Province Zhangqiu area, soil
Matter is sand, selects the identical plot of 4 adjacent soil conditions as experimental field, the dosage of above-mentioned soil conditioner is
90kg/ mus；In addition choose the same terms close to plot as blank control (CK)；
Experimental field is denoted as respectively: plot one (D1), plot two (D2), plot three (D3), plot four (D4)；It is corresponding to apply
With the soil conditioner of embodiment 1,2,3,4；It applies when spilling, is carried out in March in spring primary, the amount of application is 90kg/ mus；In October
Carry out applied once；A water is poured within 2-3 days before application, plot is irrigated, then applies soil conditioner again；
Soil collection: the initial soil sample at 20cm is acquired before soil treatment, is dried, is sieved, each index is used for
Measurement；
Every 10cm takes undisturbed soil with cutting ring from below earth's surface, for measuring bulk density, porosity；
It takes the sieving of the pedotheque after drying to be placed on 4 DEG C of refrigerators to save, the measurement for edaphon.
Sample time: on June 20th, 2018, December 20, respectively to the soil sample in above-mentioned plot.
The bulk density and porosity of soil: core cutter method measurement, formula is: porosity=(1- bulk density/specific gravity) × 100；
Field capacity: soil as former state, indoor measurement are taken in field layering with cutting ring；
Bacterium: plate semar technique counts, and culture medium prescription uses beef extract-peptone agar medium, and inoculated soil is outstanding
The plate of liquid is inverted in 30 DEG C of incubators and cultivates, and cultivates 1-2 days after inoculation, counts；
Measurement (%) before application table in March, 1 2018 soil conditioner to soil porosity
| Plot | 10cm | 20cm | 30cm | 40cm |
| CK | 48.15 | 46.28 | 44.38 | 43.86 |
| D1 | 48.32 | 47.03 | 44.21 | 44.15 |
| D2 | 48.48 | 47.19 | 44.32 | 44.08 |
| D3 | 48.76 | 47.64 | 44.47 | 43.92 |
| D4 | 48.85 | 47.35 | 44.54 | 43.84 |
The measurement (%) of table on June 20th, 2 2018 to soil porosity
The measurement (%) of table on December 20th, 3 2018 to soil porosity
| Plot | 10cm | 20cm | 30cm | 40cm |
| CK | 48.25 | 46.26 | 44.36 | 43.69 |
| D1 | 51.37 | 49.92 | 48.55 | 47.93 |
| D2 | 50.65 | 49.46 | 48.17 | 47.84 |
| D3 | 50.81 | 49.73 | 48.84 | 47.75 |
| D4 | 51.26 | 49.85 | 48.63 | 47.83 |
From above soil porosity measurement as can be seen that the soil porosity in the plot CK is substantially unchanged, and D1,
This four plot D2, D3, D4, after applied soil conditioner, porosity has obvious variation, before application
Its porosity increases, and it is to keep soil more loose that this, which illustrates that soil conditioner is played the role of, enriches organic matter therein, makes
Ratio shared by the air and organic matter of unit volume increases, and the microorganism be conducive in soil plays a role.
Table in March, 4 2018 applies soil weight table (gkg before soil conditioner-1)
| Plot | 10cm | 20cm | 30cm | 40cm |
| CK | 1.38 | 1.43 | 1.52 | 1.58 |
| D1 | 1.26 | 1.45 | 1.63 | 1.76 |
| D2 | 1.32 | 1.48 | 1.59 | 1.78 |
| D3 | 1.29 | 1.52 | 1.64 | 1.79 |
| D4 | 1.34 | 1.56 | 1.63 | 1.81 |
Soil weight table (gkg before table application on June 20th, 5 2018 soil conditioner-1)
Soil weight table (gkg before table application on December 20th, 6 2018 soil conditioner-1)
| Plot | 10cm | 20cm | 30cm | 40cm |
| CK | 1.39 | 1.43 | 1.49 | 1.55 |
| D1 | 1.45 | 1.49 | 1.41 | 1.42 |
| D2 | 1.43 | 1.48 | 1.46 | 1.45 |
| D3 | 1.48 | 1.51 | 1.48 | 1.44 |
| D4 | 1.46 | 1.47 | 1.43 | 1.41 |
As can be seen from the table above, after being handled by soil conditioner each soil layer volume to weight ratio control all under
Drop, the trend that bulk density and the porosity of soil change is exactly the opposite, and the bulk density of soil is decline, and porosity is to gradually increase
's.This illustrates its bulkiness and porosity for improving and improving soil of soil conditioner of the invention, to further change
The water holding capacity of kind soil, plays biggish facilitation.
Influence about soil conditioner to field capacity, the present inventor taken each 0~20cm of plot, 20~40cm,
Soil at 40~60cm layers measures its influence to field capacity, as a result as follows:
Influence (%) of 7 soil conditioner of table to field capacity
Can be seen that the processing of soil conditioner through the invention from the data in above table, the retentiveness of soil compared with
It is good.Its reason is analyzed, is to form one on root hair surface because using specific raw material, such as polyglutamic acid in the present invention
Layer film, by soil nutrient and moisture be transported to the root hairs of crops, promote the development of crop root, effectively improve improvement
Dissolution, storage, conveying and the absorption of liquid.Polyglutamic acid is used in varieties in saline-alkali areas, the utilization rate of improvement liquid can be greatly improved, protect
Water holding point and nutrient are effectively distributed in around root system, are more absorbed and utilized by plant, are reduced and are flowed caused by evaporation, leakage etc.
It loses.
Embodiment 5
Nursery experiment
Selecting four pieces of areas respectively is the small-sized nursery of 10 square meters or so, and it is 7.8 or so that pH is filled out at wherein three pieces
Basic soil, filling soil layer with a thickness of 1 meter or so, the basic soil filled is collected in the Linyi town Ma Zhuan；
It is denoted as sample plot B, sample plot C, sample plot D respectively；The other one block soil using Jinan local Licheng District is detected the soil
PH value be 7.1 or so；It is denoted as sample plot A；
In sample plot B, C, the soil conditioner of embodiment 2 is applied respectively；With testing D with no treatment；
1.1kg or so soil conditioner is put into the plot sample plot B, C, when investment sows uniformly, stirs soil, so
Plastic covering film afterwards throws off film after being kept for 4-5 days.Sow the peanut of same kind respectively in four pieces of above-mentioned nurseries,
And water, apply fertilizer, the conditions such as thickness of sowing, depth of planting it is identical；After planting suppression processing；To reduce water in soil
The evaporation divided, is in close contact with the soil peanut species, promotes soil lower layer moisture to rise, prevents seed from falling dry, sprout convenient for seed
Issue seedling.
After peanut germinating growth 10 days, the growing way of fresh branches and leaves of peanut seedling is surveyed respectively.It selects 10 plants from every piece of nursery to measure, so
After be averaged；
It is specific as follows:
The growing state that table is observed after 8 10 days
| Project | Sample plot A | Sample plot B | Sample plot C | Sample plot D |
| Plant height (cm) | 6.2 | 6.4 | 6.1 | 2.5 |
| Blade quantity | 6 | 6 | 5 | 2 |
| Leaf color | It is light green | It is light green | It is light green | Greenery, edge jaundice |
The growing state that table is observed after 9 12 days
| Project | Sample plot A | Sample plot B | Sample plot C | Sample plot D |
| Plant height (cm) | 10.5 | 10.6 | 9.9 | 4.2 |
| Blade quantity | 22 | 20 | 24 | 6 |
| Leaf color | It is light green | It is light green | It is light green | Greenery, edge jaundice |
| Length of blade cm | 2.5 | 2.4 | 2.5 | 1.2 |
Note: length of blade selects to measure in peanut with maximum peanut leaf；
The growing state that table is observed after 10 15 days
| Project | Sample plot A | Sample plot B | Sample plot C | Sample plot D |
| Plant height (cm) | 22.1 | 22.4 | 22.2 | 6.8 |
| Leaf color | It is light green | It is light green | It is light green | The jaundice of limb edge, withers |
| Length of blade cm | 3.1 | 3.0 | 2.9 | 1.2 |
Note: length of blade selects to measure in peanut with maximum peanut leaf；
When harvest, the yield of peanut is recorded, as a result as follows:,
The indexs such as the peanut yield harvested in the different plot of table 11
| Project | Sample plot A | Sample plot B | Sample plot C | Sample plot D |
| Yield (kilogram) | 7.85 | 7.8 | 7.76 | Almost without receipts |
| Mass of 1000 kernel (g) | 516 | 518 | 524 | / |
| Average length (cm) | 1.25 | 1.24 | 1.24 | / |
Pass through the data in above table, it can be seen that in the plantation of fritter experimental field, soil in sample plot D without
It crosses any processing, plants after peanut almost without harvest, and peanut most likes slightly acidic condition, such as the soil that pH is 6.5 or so, but
It is in the case where pH is neutrallty condition, growing way is also more satisfactory.The present invention is changed by applying the soil in embodiment 2 in alkaline soils
Good dose, basic soil is improved, significant effect, almost indifference in the growth of peanut and neutral soil, this illustrates this
The acid-base property of soil is adjusted to neutrality by the soil conditioner of invention.Convenient plant growth.
Embodiment 6
The a piece of saline-alkali wasteland for selecting Shandong Binzhou Wudi County is Experimental Base, and the pH for detecting the piece Experimental Base is
7.75, the content of salt has reached 1.15% or so, and salt comes with water, and salt is gone with water, with the migratory movement of soil moisture, salinity
Constantly reciprocal migration, therefore, the improvement or reparation of alkaline land soil should be set about regulating and controlling from the improvement of moisture, and the present invention is to be retained
Basis, is aided with organic matter and salt resistance chelating agent, homeo-osmosis agent, and collective effect obtains good adjusting effect in soil
Fruit.
Inventor detects that salt content and alkalinity are all higher in the piece soil, therefore, are adjusting when investigating the piece soil
While managing soil ph, the salt content in soil must also be taken in, be aided with salt resistance chelating agent, and adjusting
The sour such as amino acid waste liquid being added when basic soil such as activates in the acid materials such as humic acid and basic soil generates largely
Salt, be also required to the adjusting of salt resistance chelating agent at this time, it is also necessary to which the adjusting of homeo-osmosis agent prevents excessive salt to soil
Osmotic pressure generates large effect；
If only with water-retaining agent above-mentioned adjusting purpose can not be reached well, therefore, present invention adds auxiliary
Property salt resistance chelating agent such as citric-acid fermentation waste residue, ammonium polyphosphate, poly-aspartate and homeo-osmosis agent trehalose and
Tetrahydropyrimidine maintains it substantially in certain level or range to regulate and control the osmotic pressure in soil.
Citric-acid fermentation waste residue is Citric Acid Plant fermentation liquid squeezing waste, and pH is about 2.5-3.0, agreeable to the taste in acidity
Property it is poor, it is unwelcome, citric-acid fermentation waste residue be generally used for production high-purity aminoglucose hydrochloride；Either therefrom
Chitin extraction, to improve its added value.About the report of other application, disclose less.And rarely has and citric acid fermentation gives up
Slag is applied to the report of soil conditioner or document discloses.The present inventor improves citric-acid fermentation waste residue applied to basic soil
Agent finds that it can play the role of significant salt resistance chelating.
Pulullan polysaccharide be by Aureobasidium pullulans secrete exocellular polysaccharide, it be Aureobasidium pullulans grown in culture solution,
It is metabolized the extracellular polysaccharide generated.Pulullan polysaccharide is generally used for the following aspects:
Agricultural products fresh-keeping, marine product (flesh of fish) be fresh-keeping, food-processing industry (food quality improvement, packaging material for food),
Drug, cosmetics, in sewage treatment (flocculant)；It is applied to soil improvement, this new hair almost without by pulullan polysaccharide
It is applied to pulullan polysaccharide in alkalinity or alkaline land soil improvement, there is significant progress, breach its traditional application
Range.
Contrast on effect experiment
Substantially uniform 5 pieces of area will be divided into a piece of salt-soda soil, every piece of area is 50 flat left and right, gives over to one piece as sky
White, 1 upslide of plot imposes different soil conditioners on every block of soil,
Commercially available alkaline soil improver is bought, is denoted as comparison 1, comparison 2, comparison 3 respectively；
Experimental group applies the soil conditioner in embodiment, and specific planting conditions are: putting into per acre by the amount of 85kg
In plot；
In five pieces of different plates that the big Tanaka of same divides, plot 1 has put into the soil conditioner in embodiment 1, ground
Block 2 has put into the soil conditioner in embodiment 2, and what plot 3,4,5 was put into respectively is commercially available the basic soil of comparison 1,2,3
The condition of modifying agent, plantation is identical, and effect is compared as follows:
Influence of the 12 different soils conditioner of table for the main root length of peanut
| Processing | Blank | Plot 1 | Plot 2 | Plot 3 | Plot 4 | Plot 5 |
| Main root length (cm) | 8.2 | 17.8 | 14.6 | 12.5 | 13.9 | 11.9 |
Can be seen that soil conditioner of the invention by the data in above table can be effectively improved soil physics
Property, keep soil conservation soft, increase soil aperture, promotes root mass growth；Increase soil water-retaining, fertilizer-preserving ability, reduces elution damage
It loses；Enhance the metabolic function of plant, improve photosynthesis, promotes germination, well developed root system；Experimental comparison shows, uses this
The experimental group of liquid basified soil conditioner is invented than blank group root long 33%, therefore, can be widely used in basic soil
In improvement.
Embodiment 7
It selects pH for 7.4 soil, puts into the soil conditioner in embodiment 2, input amount is 60 kilograms per acre, according to reality
The method choice of example 6 different sample plot and control are applied, peanut is planted.
Effect evaluation result when table 13 harvests
| Processing | Blank | Plot 1 | Plot 2 | Plot 3 | Plot 3 |
| Main root length (cm) | 13.2 | 17.6 | 15.3 | 14.2 | 14.8 |
Using the main root length of peanut as Comparative indices, attached drawing 1 is growth result comparison diagram in peanut experiment, and attached drawing 2 is flower
Comparison diagram in raw growth course；The result shows that the soil after soil conditioner changes, plant after peanut its grow it is obvious
Dominance, and fruiting of the groundnut is more.
Embodiment 8
Soil conditioner in embodiment 2 is applied in basic soil, soil is improved, is compareed without improvement
The wheat planted of soil, compare picture and see attached drawing 3.From root system relatively from the point of view of, the root system of left figure is more flourishing in Fig. 3.This
Illustrate, to the significant effect of soil improvement after soil conditioner application of the invention.
Certainly, above description is also not limited to the example above, technical characteristic of the present invention without description can by or
It is realized using the prior art, details are not described herein；It is not to this that the above examples are only used to illustrate the technical scheme of the present invention
The limitation of invention, describes the invention in detail referring to preferred embodiment, and those skilled in the art should
Understand, the variations, modifications, additions or substitutions that those skilled in the art are made within the essential scope of the present invention
Without departure from spirit of the invention, it also should belong to claims of the invention.
Claims (9)
1. a kind of alkaline soil improver, which is characterized in that the modifying agent is made of the raw material of following parts by weight:
Polyglutamic acid 1~5 activates humic acid 25-35
Amino acid waste liquid 5-25 ammonium polyphosphate 5-10
Citric-acid fermentation waste residue 0.2-0.4 pulullan polysaccharide 0.1-0.3
Poly-aspartate 0.2-0.8 sodium carboxymethyl starch 0.1-0.3
Tetrahydropyrimidine 2-4 trehalose 1-5.
2. alkaline soil improver as described in claim 1, which is characterized in that the water content of citric-acid fermentation waste residue is 15-
18%, pH value 2.5-3.0.
3. alkaline soil improver as described in claim 1, which is characterized in that polyglutamic acid, ammonium polyphosphate, Propiram are more
Sugar, sodium carboxymethyl starch, trehalose partial size be 80-100 mesh.
4. the preparation method of alkaline soil improver as described in claim 1 includes the steps that following:
(1) 1-5 parts of polyglutamic acids, 25-35 parts of activation humic acid, 5-25 parts of amino are sequentially added in the water of 20-30 parts of room temperature
Acid waste liquid, 0.2-0.8 part poly-aspartate, stir evenly, are then allowed to stand 5-10min；Obtain mixed solution A；
(2) 5-10 parts of ammonium polyphosphate, 1-5 portions of trehaloses and 2-4 parts of tetrahydropyrimidines, 0.2-0.4 are then added in mixed solution A
Part citric-acid fermentation waste residue, stirring are uniformly mixed it；
(3) it is kept for 0.8-1.2 hours, then is cooled to room temperature after being heated to 40-45 DEG C, be granulated, obtain alkaline soil improver.
5. the preparation method of alkaline soil improver as claimed in claim 4 includes the steps that following:
(1) 1-5 parts of polyglutamic acids, 25-35 parts of activation humic acid, 5-25 parts of amino are sequentially added in the water of 20-30 parts of room temperature
Acid waste liquid, 0.2-0.8 part poly-aspartate, stir evenly, are then allowed to stand 5-10min；Obtain mixed solution A；
(2) 5-10 parts of ammonium polyphosphate, 1-5 portions of trehaloses and 2-4 parts of tetrahydropyrimidines, 0.1-0.3 are then added in mixed solution A
Part sodium carboxymethyl starch, stirring are uniformly mixed it；Obtain mixed solution B；
(3) 0.2-0.4 citric-acid fermentation waste residue is taken, 2-5 parts of water are added, with speed crushing 3-5 minutes of 1000r/min, then
It is poured into mixed solution B, stirs evenly；Obtain mixture C；
(4) mixture C is heated to 40-45 DEG C, and is kept for 0.8-1.2 hours, then be cooled to room temperature, made in pelletizer
Grain, drying, obtains alkaline soil improver.
6. the preparation method of alkaline soil improver as described in claim 1, it is characterised in that: the partial size of granulation is 1-2mm.
7. the preparation method of alkaline soil improver as described in claim 1, it is characterised in that: refer to amino acid fermentation industry institute
The waste liquid of generation, the waste liquid specially generated in sodium glutamate production process.
8. application of the alkaline soil improver as described in claim 1 in basic soil or salt affected soil.
9. application of the alkaline soil improver as claimed in claim 8 in saline and alkaline soil, which is characterized in that soil conditioner
Dosage are as follows: pH value is 7.5-7.8 but when not including 7.8, per acre dosage 50-65kg；PH value is 7.8-8.2 but does not include 8.2
When, dosage is 66-85kg per acre；When pH value is 8.2-8.8, dosage is 86-100kg per acre.
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| CN110622996A (en) * | 2019-09-26 | 2019-12-31 | 江苏国信协联能源有限公司 | Microbial agent and application thereof |
| CN111171831A (en) * | 2019-12-26 | 2020-05-19 | 齐鲁工业大学 | Ecological environment-friendly alkaline soil conditioner and preparation method thereof |
| CN112760097A (en) * | 2019-11-06 | 2021-05-07 | 汪杨 | Saline-alkali soil conditioner and preparation method thereof |
| CN113462596A (en) * | 2021-06-28 | 2021-10-01 | 山东土木启生物科技有限公司 | Microbial agent for improving soil salinization |
| CN113755182A (en) * | 2021-10-18 | 2021-12-07 | 创想未来生物工程(北京)有限公司 | Alkaline soil conditioner |
| CN115991996A (en) * | 2023-03-24 | 2023-04-21 | 北京市农林科学院 | Soil conditioner for secondary salinization facility and application thereof |
| CN116735325A (en) * | 2023-08-03 | 2023-09-12 | 成都理工大学 | Sampling and shear strength testing method for maintaining original structure of waste slag soil body |
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| CN115991996A (en) * | 2023-03-24 | 2023-04-21 | 北京市农林科学院 | Soil conditioner for secondary salinization facility and application thereof |
| CN116735325A (en) * | 2023-08-03 | 2023-09-12 | 成都理工大学 | Sampling and shear strength testing method for maintaining original structure of waste slag soil body |
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