CN114105715A - Environment-friendly modifier for improving saline-alkali soil and preparation method thereof - Google Patents
Environment-friendly modifier for improving saline-alkali soil and preparation method thereof Download PDFInfo
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- CN114105715A CN114105715A CN202111594817.2A CN202111594817A CN114105715A CN 114105715 A CN114105715 A CN 114105715A CN 202111594817 A CN202111594817 A CN 202111594817A CN 114105715 A CN114105715 A CN 114105715A
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- 239000002689 soil Substances 0.000 title claims abstract description 99
- 239000003513 alkali Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003607 modifier Substances 0.000 title claims abstract description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 18
- 244000005700 microbiome Species 0.000 claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 13
- 230000004151 fermentation Effects 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 12
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 12
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 12
- 241000282994 Cervidae Species 0.000 claims abstract description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004202 carbamide Substances 0.000 claims abstract description 11
- 239000010977 jade Substances 0.000 claims abstract description 11
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 9
- 239000003415 peat Substances 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 8
- 244000057717 Streptococcus lactis Species 0.000 claims description 7
- 235000014897 Streptococcus lactis Nutrition 0.000 claims description 7
- 241000194108 Bacillus licheniformis Species 0.000 claims description 6
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 6
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 241000589151 Azotobacter Species 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 239000003516 soil conditioner Substances 0.000 abstract description 8
- 239000005416 organic matter Substances 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 241000361919 Metaphire sieboldi Species 0.000 abstract 1
- 230000035699 permeability Effects 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 235000015097 nutrients Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001413 amino acids Chemical class 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002374 bone meal Substances 0.000 description 1
- 229940036811 bone meal Drugs 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C09K2101/00—Agricultural use
-
- C—CHEMISTRY; METALLURGY
- 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
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention discloses an environment-friendly conditioner for improving saline-alkali soil and a preparation method thereof, belonging to the technical field of soil improvement. The modifier comprises the following raw materials: earthworm cast, fishbone powder, deer marsh soil, red jade soil, grass carbon, urea, potassium sulfate, citric acid and compound microorganisms. The method comprises the steps of fermenting wormcast and fishbone powder under the action of compound microorganisms to obtain a fermentation product; mixing and crushing the deer marsh soil, the red jade soil and the grass carbon to obtain a mixture; and sequentially adding the mixture, urea, potassium sulfate and citric acid into the fermentation product, and uniformly stirring to obtain the environment-friendly modifier for improving the saline-alkali soil. The soil conditioner provided by the invention is applied to the saline-alkali soil, can obviously improve the organic matter content and the water content of the soil, can reduce the volume weight of the soil, adjust the pH value of the soil and reduce the salt content, and has wide application prospects.
Description
Technical Field
The invention relates to the technical field of soil improvement, in particular to an environment-friendly modifier for improving saline-alkali soil and a preparation method thereof.
Background
Soil salination refers to a process in which salt in the bottom layer of soil or underground water rises to the surface along with capillary water and is accumulated in surface soil after water is evaporated. The harm of soil salinization is as follows: when the content of soluble salt in soil is increased, the osmotic pressure of a soil solution is reduced, the water potential is reduced, the root system of a plant is difficult to absorb water, and the plant is physiologically drought and wilted to die due to physiological dehydration in serious conditions; when the concentration of certain ions in the soil is too high, the absorption of other ions by plants is prevented, so that the nutrition of the plants is unbalanced; in saline-alkali soil, the concentration of some ions is higher, so that the supply of some nutrient elements with low concentration is insufficient; when the alkaline salt in the soil is excessive, the soil is subjected to strong alkaline reaction, so that plant nutrient elements such as iron, calcium, zinc, magnesium and the like are easy to form precipitates, and the effectiveness in soil nutrients is reduced.
The soil conditioner is also called soil conditioner, and can improve the physical property of soil and promote the nutrient absorption of crops. The soil conditioner has the functions of preserving soil moisture and increasing temperature, can effectively improve the soil moisture content and increase the temperature of the plough layer. Meanwhile, the method can also improve the soil structure, coordinate the relationship among water, fertilizer, gas, heat and organisms of the soil, prevent water and soil loss, enhance the seepage-proofing capacity of the channel, inhibit secondary salinization of the soil and improve the development and utilization of sandy wasteland. The soil conditioner can change the granular structure of soil, reduce the volume weight of the soil, increase the air permeability of the soil, improve the utilization efficiency of precipitation, increase the organic matters of the soil, adjust the pH value of the soil, improve the ion exchange rate of the soil and enhance the buffering capacity of the soil. Therefore, the research on the soil conditioner which can obviously improve the organic matter content and the water content of the soil, reduce the volume weight of the soil, adjust the pH value of the soil and reduce the salt content has very important significance.
Disclosure of Invention
The invention aims to provide an environment-friendly conditioner for improving saline-alkali soil and a preparation method thereof, so as to reduce the harm brought by the saline-alkali soil.
In order to achieve the purpose, the invention provides the following scheme:
one of the purposes of the invention is to provide an environment-friendly conditioner for improving saline-alkali soil, which comprises the following raw materials in parts by weight: 20-25 parts of wormcast, 12-14 parts of fishbone powder, 16-22 parts of deer biogas, 20-23 parts of red jade soil, 12-16 parts of grass peat, 5-8 parts of urea, 2-4 parts of potassium sulfate, 1-2 parts of citric acid and 3-5 parts of compound microorganism.
Further, the fishbone powder is obtained by drying fishbone, crushing the dried fishbone, adding dilute sulfuric acid to react, and drying the reaction product.
Further, the crushed particle size is required to be 100-mesh sieved, the concentration of the dilute sulfuric acid is 0.5mol/L, and the mass-volume ratio of the fishbone to the dilute sulfuric acid is 3g:10 mL.
Further, the compound microorganism consists of saccharomyces cerevisiae, bacillus licheniformis, streptococcus lactis and azotobacter.
Further, the mass ratio of the saccharomyces cerevisiae, the bacillus licheniformis, the streptococcus lactis and the azotobacter is 3:5:1: 2.
The invention also aims to provide a preparation method of the environment-friendly improver for improving the saline-alkali soil, which comprises the following steps:
(1) mixing wormcast and fishbone powder, adding water and compound microorganisms, and performing fermentation treatment to obtain a fermentation product;
(2) mixing the deer biogas, the red jade soil and the grass peat, drying and crushing to obtain a mixture;
(3) and sequentially adding the mixture, urea, potassium sulfate and citric acid into the fermentation product, and uniformly stirring to obtain the environment-friendly modifier for improving the saline-alkali soil.
Further, in the step (1), the adding amount of the water is 20-40% of the total weight of the wormcast and the fishbone powder.
Further, in the step (1), the fermentation treatment temperature is 25-30 ℃ and the fermentation treatment time is 5-7 days.
Further, in the step (2), the crushed particle size is required to be 100-mesh sieved.
Further, in the step (3), the rotation speed of the stirring is 200-300 rpm, and the time is 3-5 h.
The invention has the following technical effects:
the wormcast used in the invention not only contains major elements such as nitrogen, phosphorus, zinc and the like, but also contains a plurality of trace elements such as iron, manganese, zinc, copper, magnesium and the like and 18 amino acids, and the organic matter content and the humic substance content reach about 30%. The application of the wormcast can enhance the soil fertility, adjust the soil pH value, improve the soil permeability and the water retention property, and is beneficial to the reproduction and increase of microorganisms. The fishbone powder is rich in nutrient components such as calcium, protein and the like, can provide organic substances for soil, can increase the exchange capacity of organic matters and cations in the soil, and further improves the pH value regulating capability of the soil.
The deer marsh soil used by the invention is produced in the volcanic region and is generated by the lower layer volcanic soil, the pH value is acidic, the permeability is very high, and the water storage capacity and the air permeability are strong; the red jade soil is volcanic mud with high permeability, dark red round particles, no harmful bacteria and slightly acidic pH value; peat is a product of the marsh development process and contains a large amount of water and plant residues, humus and a part of minerals which are not completely decomposed. The three components are matched for use, so that the pH value of the soil can be adjusted, the organic matter content of the soil can be increased, and the permeability of the soil can be increased, thereby achieving the effects of improving the soil structure and enhancing the soil. In addition, the use of urea, potassium sulfate and citric acid further provides nutrient substances for the soil and has a certain effect of adjusting the pH value of the soil.
The composite microorganism disclosed by the invention is composed of saccharomyces cerevisiae, bacillus licheniformis, streptococcus lactis and azotobacter according to the mass ratio of 3:5:1:2, and can decompose organic substances in soil, convert the organic substances into amino acid and carbohydrate, further enhance the soil fertility, improve the physicochemical properties of the soil, and enhance the water permeability and water retention capacity of the soil.
The components of wormcast, fishbone powder, deer marsh soil, red jade soil, grass peat, urea, potassium sulfate, citric acid and compound microorganisms are selected and scientifically and reasonably matched, and the raw materials interact with each other.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, for numerical ranges in this disclosure, it is understood that each intervening value, between the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The description and examples are intended to be illustrative only.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
In the invention, all raw materials are conventional commercial products.
Example 1
(1) Preparing fishbone powder: drying fishbone, crushing, sieving with a 100-mesh sieve, adding 0.5mol/L dilute sulfuric acid for reaction, wherein the mass volume ratio of the fishbone to the dilute sulfuric acid is 3g:10mL, and drying after the reaction is finished to obtain fishbone powder;
(2) mixing 22 parts of wormcast and 13 parts of fishbone powder, adding water accounting for 20% of the weight of the wormcast and the fishbone powder, adding 4 parts of compound microorganism (composed of saccharomyces cerevisiae, bacillus licheniformis, streptococcus lactis and nitrogen-fixing bacteria according to the mass ratio of 3:5:1: 2), and fermenting for 5 days at 25 ℃ to obtain a fermentation product;
(3) mixing 18 parts of deer biogas soil, 21 parts of red jade soil and 14 parts of grass carbon, drying, crushing and sieving with a 100-mesh sieve to obtain a mixture;
(4) and sequentially adding the mixture, 6 parts of urea, 3 parts of potassium sulfate and 2 parts of citric acid into the fermentation product, and uniformly stirring at the rotating speed of 300rpm for 4 hours to obtain the environment-friendly modifier for improving the saline-alkali soil.
Example 2
The difference from the example 1 is that the raw materials are as follows: 24 parts of wormcast, 14 parts of fishbone powder, 20 parts of deer biogas, 22 parts of red jade soil, 16 parts of grass peat, 8 parts of urea, 3 parts of potassium sulfate, 1 part of citric acid and 5 parts of compound microorganism.
Example 3
The difference from the example 1 is that the raw materials are as follows: 21 parts of wormcast, 12 parts of fishbone powder, 16 parts of deer biogas, 20 parts of red jade soil, 13 parts of grass peat, 5 parts of urea, 2 parts of potassium sulfate, 1 part of citric acid and 3 parts of compound microorganism.
Comparative example 1
The difference from example 1 is that wormcast was not added.
Comparative example 2
The difference from example 1 is that no fish bone meal is added.
Comparative example 3
The difference from example 1 is that the complex microorganism does not contain Streptococcus lactis.
Comparative example 4
The difference from example 1 is that no palustre is added.
Comparative example 5
The difference from example 1 is that potassium sulfate was not added.
Effect verification
The conditioner of each example and comparative example was applied to saline-alkali soil at a dosage of 30 kg/mu, the control group was not applied with the conditioner, and the organic matter content (NYT 1121.6-2006), soil bulk density (ring cutter method), water content at 15cm soil depth, soil pH and total salt content (FHDZTR 0070) of the soil were measured after 1 month, and the results are shown in Table 1.
TABLE 1
As can be seen from Table 1, when the soil conditioner provided by the invention is applied to saline-alkali soil, the organic matter content and the water content of the soil can be obviously improved, the volume weight of the soil can be reduced, the pH value of the soil can be adjusted, the salt content can be reduced, and the soil conditioner has a wide application prospect.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. An environment-friendly improver for improving saline-alkali soil is characterized by comprising the following raw materials in parts by weight: 20-25 parts of wormcast, 12-14 parts of fishbone powder, 16-22 parts of deer biogas, 20-23 parts of red jade soil, 12-16 parts of grass peat, 5-8 parts of urea, 2-4 parts of potassium sulfate, 1-2 parts of citric acid and 3-5 parts of compound microorganism.
2. The environment-friendly improver for improving the soil of saline-alkali soil as claimed in claim 1, wherein the fishbone powder is obtained by drying fishbone, crushing the dried fishbone, adding dilute sulfuric acid to react, and drying the reaction product.
3. The environment-friendly improver for improving the soil of saline-alkali soil according to claim 2, wherein the crushed particle size is required to be 100 mesh, the concentration of the dilute sulfuric acid is 0.5mol/L, and the mass volume ratio of the fishbone to the dilute sulfuric acid is 3g:10 mL.
4. The environment-friendly improver for improving the soil of saline-alkali soil according to claim 1, wherein the compound microorganism consists of saccharomyces cerevisiae, bacillus licheniformis, streptococcus lactis and azotobacter.
5. The environment-friendly improver for improving the soil of saline-alkali soil according to claim 4, wherein the mass ratio of the saccharomyces cerevisiae, the bacillus licheniformis, the streptococcus lactis and the nitrogen-fixing bacteria is 3:5:1: 2.
6. The preparation method of the environment-friendly improver for improving the saline-alkali soil as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
(1) mixing wormcast and fishbone powder, adding water and compound microorganisms, and performing fermentation treatment to obtain a fermentation product;
(2) mixing the deer biogas, the red jade soil and the grass peat, drying and crushing to obtain a mixture;
(3) and sequentially adding the mixture, urea, potassium sulfate and citric acid into the fermentation product, and uniformly stirring to obtain the environment-friendly modifier for improving the saline-alkali soil.
7. The preparation method according to claim 6, wherein in the step (1), the amount of the added water is 20-40% of the total weight of the wormcast and the fishbone powder.
8. The method according to claim 6, wherein the fermentation treatment is carried out at 25 to 30 ℃ for 5 to 7 days in the step (1).
9. The method according to claim 6, wherein in the step (2), the crushed particle size is required to pass through a 100-mesh sieve.
10. The preparation method according to claim 6, wherein in the step (3), the stirring speed is 200-300 rpm and the time is 3-5 h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216303A (en) * | 2022-07-28 | 2022-10-21 | 榆林学院 | Acidified C-based material for promoting overwintering and green turning of saline-alkali soil plants and preparation method thereof |
| CN115280926A (en) * | 2022-06-13 | 2022-11-04 | 上海圣珑环境科技有限公司 | Saline-alkali soil improvement and restoration method |
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