CN110950707A - Sandy soil conditioner and preparation method thereof - Google Patents
Sandy soil conditioner and preparation method thereof Download PDFInfo
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- CN110950707A CN110950707A CN201910709099.5A CN201910709099A CN110950707A CN 110950707 A CN110950707 A CN 110950707A CN 201910709099 A CN201910709099 A CN 201910709099A CN 110950707 A CN110950707 A CN 110950707A
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- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a desertification soil conditioner and a preparation method thereof, which utilize agricultural and forestry wastes, livestock and poultry manure, kitchen waste and sludge as raw materials, can improve the physical and chemical properties of soil, improve the water absorption, water release and water retention effects of the soil, have strong adsorption effect and ion exchange effect on water, gas and soil solution, keep water from losing and evaporating, slowly release water, reduce fertilizer nutrient loss and improve the utilization rate of fertilizer. The soil improved by the soil conditioner can also promote the propagation of beneficial microorganisms, the mineralization and humification of the organic fertilizer can be promoted along with the increase of a large number of beneficial microorganisms, the nutrients are changed into an effective state and a quick-acting state from an ineffective state and a moderate state, the desertified soil can be humified gradually, and the purposes of improving the soil texture structure of the sandy land and increasing basic nutrients are achieved; meanwhile, the soil fertility can be increased, the growth of crops is promoted, and the resistance of the crops is enhanced.
Description
Technical Field
The invention relates to the field of soil improvement, in particular to a desertification soil conditioner and a preparation method thereof.
Background
Soil desertification broadly refers to the process by which good soil or available land becomes heavily sandy soil or land and even a desert. The soil desertification is a result of combined action of natural factors and artificial activities, rainfall is rare in north China, vegetation is sparse, global climate warming is added, drought and rain are continued, and the soil desertification is aggravated. Desertification is a major environmental and social problem commonly faced by people in the world at present, and aggravates the deterioration of ecological environment, so that the development of a conditioner for desertification soil to inhibit and even improve the desertification soil has very important social and practical significance.
Disclosure of Invention
In view of the above, the present invention aims to provide a sandy soil conditioner and a preparation method thereof, which can improve sandy soil, improve soil structure, increase soil fertility, and promote crop growth.
In order to achieve the purpose, the invention provides the following technical scheme:
the sandy soil conditioner comprises the following raw materials in parts by weight:
preferably, the agricultural and forestry waste comprises one or more of straw, weeds and fallen leaves.
Preferably, the livestock manure is selected from one or more of pig manure, cow manure, sheep manure, chicken manure and duck manure.
Preferably, the composite bacterial species include Acinetobacter solitarius, phosphate solubilizing bacteria, Pseudomonas aeruginosa, Paenibacillus, Bacillus subtilis, and Arthrobacter.
Preferably, the viable bacteria number ratio of the acinetobacter simplex, the phosphate solubilizing bacteria, the pseudomonas aeruginosa, the paenibacillus, the bacillus subtilis and the arthrobacter is (0.3-0.5) to (0.4-0.5): (1-1.5): (0.6-0.7): (2-3): (0.7-1).
Preferably, the conditioner comprises mushroom bran and humus.
Preferably, the mesh number of the plant ash, the basalt and the medical stone is 10-30 meshes.
The invention also provides a preparation method of the sandy soil conditioner, which comprises the following steps:
a) cutting the agricultural and forestry waste into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain;
adding a first part of composite strain into the livestock manure, and fermenting at room temperature for 10-20 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 6-8 days at the temperature of 35-55 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 10-15 d at room temperature; performing composting fermentation for 30-40 d at 50-60 ℃ to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Preferably, the mass ratio of the first part of composite bacterial seeds to the second part of composite bacterial seeds is (3-5): (0.8 to 1.5).
The invention discloses a desertification soil conditioner and a preparation method thereof, which utilize agricultural and forestry wastes, livestock and poultry manure, kitchen waste and sludge as raw materials, can improve the physical and chemical properties of soil, improve the water absorption, water release and water retention effects of the soil, have strong adsorption effect and ion exchange effect on water, gas and soil solution, keep water from losing and evaporating, slowly release water, reduce fertilizer nutrient loss and improve the utilization rate of fertilizer. The soil improved by the soil conditioner can also promote the propagation of beneficial microorganisms, the mineralization and humification of the organic fertilizer can be promoted along with the increase of the beneficial microorganisms, the nutrients are changed into an effective state and a quick-acting state from an ineffective state and a moderate state, the desertification soil can be gradually humified, and the purposes of improving the soil texture of the sandy land and increasing the basic nutrients are achieved; meanwhile, the soil fertility can be increased, the growth of crops is promoted, and the resistance of the crops is enhanced. The soil conditioner of the invention changes waste into valuable, not only can solve the problem of treatment of wastes such as municipal sludge and the like, but also can solve the problem of desertification soil.
Detailed Description
For a further understanding of the invention, preferred embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are included only to further illustrate the features and advantages of the invention and not to limit the claims of the invention.
The invention provides a desertification soil conditioner which comprises the following raw materials in parts by weight:
the invention utilizes the agricultural and forestry wastes, the livestock and poultry manure, the kitchen waste and the sludge as raw materials, can improve the physical and chemical properties of the soil, improve the water absorption, water release and water retention effects of the soil, has strong adsorption effect and ion exchange effect on water, air and soil solution, keeps the water not to be lost and evaporated, slowly releases the water, reduces the fertilizer nutrient loss and improves the utilization rate of the fertilizer. The soil improved by the soil conditioner can also promote the propagation of beneficial microorganisms, the mineralization and humification of the organic fertilizer can be promoted along with the increase of a large number of beneficial microorganisms, the nutrients are changed into an effective state and a quick-acting state from an ineffective state and a moderate state, the desertification soil can be gradually humified, and the purposes of improving the soil texture structure of the sandy land and increasing basic nutrients are achieved; meanwhile, the soil fertility can be increased, the growth of crops is promoted, and the resistance of the crops is enhanced. The soil conditioner of the invention changes waste into valuable, not only can solve the problem of treatment of wastes such as municipal sludge and the like, but also can solve the problem of desertification soil.
In the embodiment of the invention, the agricultural and forestry waste is 40-50 parts by weight; in a preferred embodiment, the agricultural and forestry waste is 43-46 parts by weight. The source of the agricultural and forestry waste is not limited by the invention, and the agricultural and forestry waste well known in the field can be adopted. In an embodiment of the invention, the forestry and agricultural residues comprise one or more of straw, weeds, fallen leaves.
According to the invention, the agricultural and forestry wastes can improve the stability of the soil structure and improve the water storage capacity of the soil.
In the embodiment of the invention, the parts by weight of the livestock manure are 40-60 parts; in a preferred embodiment, the parts by weight of the livestock manure are 45-55 parts. The invention has no limitation on the source of the livestock manure, and the livestock manure is well known in the field. In an embodiment of the invention, the livestock manure is selected from one or more of pig manure, cow manure, sheep manure, chicken manure and duck manure.
In the invention, the livestock manure is used for improving the fertility of soil and improving the quality of crops.
In the embodiment of the invention, the weight part of the composite strain is 1-2 parts; in a preferred embodiment, the weight part of the composite bacterial strain is 1.4-1.7 parts.
In embodiments of the invention, the composite bacterial species include Acinetobacter solitarius, phosphate solubilizing bacteria, Pseudomonas aeruginosa, Paenibacillus, Bacillus subtilis, and Arthrobacter. In a preferred embodiment, the ratio of the number of viable bacteria of Acinetobacter solitarius, phosphate solubilizing bacteria, Pseudomonas aeruginosa, Paenibacillus, Bacillus subtilis and Arthrobacter is (0.3-0.5) to (0.4-0.5): (1-1.5): (0.6-0.7): (2-3): (0.7-1).
According to the invention, the composite strain can increase the microbial community of the desertification soil, so that the desertification soil is gradually decomposed and proliferated, and the purposes of improving the soil texture structure of the sandy soil and increasing basic nutrients are achieved.
In the embodiment of the invention, the weight part of the kitchen waste is 30-50 parts; in a preferred embodiment, the kitchen waste is 35-45 parts by weight. The invention has no special limit on the source of the kitchen waste, and the kitchen waste well known in the field can be adopted.
According to the invention, the kitchen waste can improve the contents of nitrogen, phosphorus, potassium, amino acid, organic acid and protein in soil and can improve the fertility of the soil.
In the embodiment of the invention, the weight part of the sludge is 10-20 parts; in a preferred embodiment, the weight part of the sludge is 13-16 parts. The present invention is not particularly limited in the source of the sludge, and the sludge known in the art may be used.
The sludge contains a large amount of nitrogen, phosphorus, potassium and trace elements, so that the content of the effective nitrogen, phosphorus, potassium and trace elements in the soil can be effectively increased, and the volume weight of the soil is reduced.
In the embodiment of the invention, the weight part of the conditioner is 3-5 parts; in a preferred embodiment, the conditioner is 3.5-4.5 parts by weight. The source of the conditioning agent is not particularly limited in the present invention, and a conditioning agent well known in the art may be used. In an embodiment of the invention, the conditioner comprises mushroom bran and humus; in a preferred embodiment, the mass ratio of the mushroom bran to the humus is (2-3): 1; in other embodiments, the mushroom bran is waste residue from edible mushroom cultivation by using mushroom, cottonseed hull, sawdust, straw, corncob, various crop stalks and industrial waste vinasse as main raw materials.
According to the invention, the conditioner is beneficial to degradation of organic matters in the kitchen waste, and the composting treatment rate of the kitchen waste is improved.
In the embodiment of the invention, the weight part of the biomass carbon is 10-15 parts; in a preferred embodiment, the biomass carbon is 12-13 parts by weight. The source of the biomass carbon in the present invention is not particularly limited, and commercially available biomass carbon known in the art may be used. In the embodiment of the invention, the particle size of the biomass carbon is 20-40 nm.
According to the invention, the biomass carbon can improve the absorption of nutrients and moisture in soil, slow the release of moisture and reduce the saturation hydraulic conductivity of soil.
In the embodiment of the invention, the weight part of the chitosan is 5-10 parts; in a preferred embodiment, the weight part of the chitosan is 7-8 parts. The source of chitosan in the present invention is not particularly limited, and commercially available chitosan known in the art may be used.
In the invention, the chitosan can inhibit the growth and reproduction of pathogenic bacteria in soil, and can be used as a crop growth regulator to promote the growth of crops.
In the embodiment of the invention, the weight part of the plant ash is 15-20 parts; in a preferred embodiment, the weight part of the plant ash is 17-18 parts. The source of the plant ash in the present invention is not particularly limited, and commercially available plant ash known in the art may be used. In the embodiment of the invention, the mesh number of the plant ash is 10-30 meshes.
In the present invention, the plant ash can enhance soil fertility and crop resistance.
In the embodiment of the invention, the weight part of the basalt is 5-10 parts; in a preferred embodiment, the basalt is 7-8 parts by weight. The source of basalt in the present invention is not particularly limited, and commercially available basalt known in the art may be used. In the embodiment of the invention, the mesh number of the basalt is 10-30 meshes.
In the invention, the basalt can improve the physical properties of the soil and can reduce the volume weight of the soil.
In the embodiment of the invention, the medical stone is 10-13 parts by weight; in a preferred embodiment, the medical stone is 11-12 parts by weight. The source of the medical stone is not particularly limited in the invention, and commercially available medical stones well known in the art can be adopted. In the embodiment of the invention, the mesh number of the medical stone is 10-30 meshes.
In the invention, the medical stone can adsorb heavy metals in the soil conditioner, thereby avoiding the soil conditioner from polluting the soil, and simultaneously absorbing the heavy metals in the soil and improving the soil structure.
In the embodiment of the invention, the wood vinegar is 4-8 parts by weight; in a preferred embodiment, the wood vinegar is 5-7 parts by weight. The source of the wood vinegar liquid in the present invention is not particularly limited, and commercially available wood vinegar liquids well known in the art may be used. In the embodiment of the invention, the concentration of acetic acid in the wood vinegar is 10-15 wt%.
In the present invention, wood vinegar can inhibit the propagation of pathogenic bacteria in soil.
The invention also provides a preparation method of the sandy soil conditioner, which comprises the following steps:
a) cutting the agricultural and forestry waste into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain;
adding a first part of composite strain into the livestock manure, and fermenting at room temperature for 10-20 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 6-8 days at the temperature of 35-55 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 10-15 d at room temperature; performing composting fermentation for 30-40 d at 50-60 ℃ to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Wherein, agricultural and forestry wastes, livestock and poultry manure, compound strains, kitchen waste, sludge, conditioner, biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar are the same as above, and are not described in detail herein.
In the invention, the agricultural and forestry waste is cut into small sections of 3-4 cm for later use; the agricultural and forestry wastes with the particle size range can improve the stability of the soil structure. When the grain size of the agricultural and forestry waste is larger or smaller, the influence on the soil structure is generated.
Dividing the composite strain into two parts, wherein the first part is used for fermenting the livestock manure, and the other part is used for fermenting the sludge; the aim of separately fermenting the livestock manure and the sludge is that different substances have different fermentation conditions, and the livestock manure and the sludge need to be separately fermented and degraded in order to improve the degradation rate of the livestock manure and the sludge. In the embodiment of the invention, the mass ratio of the first composite strain to the second composite strain is (3-5): (0.8 to 1.5).
Adding a conditioner and agricultural and forestry wastes into the kitchen waste, and performing composting fermentation for 10-15 d at room temperature; performing composting fermentation for 30-40 d at 50-60 ℃ to obtain a third fermentation product; the step is beneficial to thorough degradation of kitchen waste and agricultural and forestry waste and decomposition of the kitchen waste and the agricultural and forestry waste.
The preparation method is simple, and the prepared soil conditioner can improve the physical and chemical properties of soil, reduce the volume weight of the soil and improve the water retention effect.
In order to further illustrate the present invention, a sandy soil improving agent and a method for preparing the same according to the present invention will be described in detail with reference to examples, which should not be construed as limiting the scope of the present invention.
The mushroom bran is waste residue from mushroom, cotton seed hull, sawdust, rice straw, corn cob, various crop stalks and industrial waste material distiller's grains as main raw materials for cultivating edible mushroom.
Example 1
The sandy soil conditioner comprises the following raw materials in parts by weight:
46 parts of straw, 20 parts of pig manure, 20 parts of cow manure, 1.4 parts of composite strain, 30 parts of kitchen waste, 13 parts of sludge, 3.5 parts of conditioner, 10 parts of biomass carbon with the particle size of 20-40 nm, 7 parts of chitosan, 15 parts of plant ash with the mesh number of 10-30, 8 parts of basalt with the mesh number of 10-30, 11 parts of medical stone with the mesh number of 10-30 and 5 parts of wood vinegar with the acetic acid concentration of 10 wt%;
the number ratio of the composite strains to the viable bacteria is 0.3: 0.43: 1.2: 0.6: 2.3: 0.8 of Acinetobacter solivaceus, P.lysing bacteria, Pseudomonas aeruginosa, Paenibacillus, Bacillus subtilis and Arthrobacter.
The conditioner comprises the following components in percentage by mass: 1, mushroom bran and humus soil;
the preparation method of the sandy soil conditioner comprises the following steps:
a) cutting the straws into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain; the mass ratio of the first part of composite strains to the second part of composite strains is 3: 0.8;
adding a first part of composite strain into pig manure and cow manure, and fermenting at room temperature for 10 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 8 days at the temperature of 35 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 10d at room temperature; performing composting fermentation at 50 ℃ for 40d to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Example 2
The sandy soil conditioner comprises the following raw materials in parts by weight:
40 parts of weeds, 20 parts of cow dung, 20 parts of sheep dung, 20 parts of chicken dung, 1.7 parts of composite strains, 45 parts of kitchen waste, 16 parts of sludge, 4.5 parts of conditioner, 12 parts of biomass carbon with the particle size of 20-40 nm, 8 parts of chitosan, 17 parts of plant ash with the mesh number of 10-30, 10 parts of basalt with the mesh number of 10-30, 12 parts of medical stone with the mesh number of 10-30 and 5 parts of wood vinegar with the acetic acid concentration of 15 wt%;
the number ratio of the composite strains to the viable bacteria is 0.5: 0.4: 1.5: 0.65: 2: 1, acinetobacter simplex, phosphate solubilizing bacteria, pseudomonas aeruginosa, paenibacillus, bacillus subtilis and arthrobacter.
The conditioner comprises the following components in percentage by mass of 3: 1, mushroom bran and humus soil;
the preparation method of the sandy soil conditioner comprises the following steps:
a) cutting weeds into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain; the mass ratio of the first part of composite strains to the second part of composite strains is 5: 1.5;
adding a first part of composite strain into cow dung, sheep dung and chicken dung, and fermenting at room temperature for 20 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and performing heat preservation fermentation for 6d at the temperature of 55 ℃ to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 15d at room temperature; performing composting fermentation at 60 ℃ for 30d to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Example 3
The sandy soil conditioner comprises the following raw materials in parts by weight:
40 parts of straw, 3 parts of weeds, 15 parts of sheep manure, 15 parts of chicken manure, 15 parts of duck manure, 1 part of composite strain, 35 parts of kitchen waste, 10 parts of sludge, 3 parts of conditioner, 13 parts of biomass carbon with the particle size of 20-40 nm, 5 parts of chitosan, 18 parts of plant ash with the mesh number of 10-30, 7 parts of basalt with the mesh number of 10-30, 10 parts of medical stone with the mesh number of 10-30 and 4 parts of wood vinegar with the acetic acid concentration of 12 wt%;
the number ratio of the composite strains to live bacteria is 0.35: 0.47: 1: 0.63: 3: 0.7 phosphate solubilizing bacteria, Pseudomonas aeruginosa, Paenibacillus, Bacillus subtilis and Arthrobacter.
The conditioner comprises 2.5 mass ratio: 1, mushroom bran and humus soil;
the preparation method of the sandy soil conditioner comprises the following steps:
a) cutting straws and weeds into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain; the mass ratio of the first part of composite strains to the second part of composite strains is 4: 1;
adding a first part of composite strain into sheep manure, chicken manure and duck manure, and fermenting at room temperature for 15 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 7d at the temperature of 40 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 12d at room temperature; performing composting fermentation at 55 ℃ for 35d to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Example 4
The sandy soil conditioner comprises the following raw materials in parts by weight:
40 parts of straw, 5 parts of weeds, 5 parts of fallen leaves, 40 parts of pig manure, 15 parts of sheep manure, 2 parts of composite strain, 50 parts of kitchen waste, 20 parts of sludge, 5 parts of conditioner, 15 parts of biomass carbon with the particle size of 20-40 nm, 10 parts of chitosan, 20 parts of plant ash with the mesh number of 10-30, 5 parts of basalt with the mesh number of 10-30, 13 parts of medical stone with the mesh number of 10-30 and 8 parts of wood vinegar with the acetic acid concentration of 13 wt%;
the number ratio of the composite strains to the viable bacteria is 0.45: 0.5: 1.3: 0.7: 2.7: 0.9 bacillus, phosphate solubilizing bacteria, pseudomonas aeruginosa, paenibacillus, bacillus subtilis and arthrobacterium.
The conditioner comprises 2.5 mass ratio: 1, mushroom bran and humus soil;
the preparation method of the sandy soil conditioner comprises the following steps:
a) cutting straws, weeds and fallen leaves into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain; the mass ratio of the first part of composite strains to the second part of composite strains is 4: 1.3;
adding a first part of composite strain into pig manure and sheep manure, and fermenting for 15 days at room temperature to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 7d at the temperature of 45 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 13d at room temperature; performing composting fermentation at 55 ℃ for 35d to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Example 5
The sandy soil conditioner comprises the following raw materials in parts by weight:
44 parts of straw, 50 parts of pig manure, 1.6 parts of composite strain, 40 parts of kitchen waste, 14 parts of sludge, 4 parts of conditioner, 12.5 parts of biomass carbon with the particle size of 20-40 nm, 7.5 parts of chitosan, 18 parts of plant ash with the mesh number of 10-30, 7.5 parts of basalt with the mesh number of 10-30, 11.5 parts of medical stone with the mesh number of 10-30 and 6 parts of wood vinegar with the acetic acid concentration of 12 wt%;
the number ratio of the composite strains to the viable bacteria is 0.4: 0.45: 1.2: 0.64: 2.4: 0.8 Bacillus subtilis and Arthrobacter sp.
The conditioner comprises 2.5 mass ratio: 1, mushroom bran and humus soil;
the preparation method of the sandy soil conditioner comprises the following steps:
a) cutting the straws into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain; the mass ratio of the first part of composite strains to the second part of composite strains is 4: 1.2;
adding a first part of composite strain into pig manure, and fermenting at room temperature for 15 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 7d at the temperature of 50 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 12d at room temperature; performing composting fermentation at 55 ℃ for 35d to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar liquid, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
Selecting a sand land of Dangshan county of Anhui as an example for treatment, averagely dividing the area into 6 parts, namely, the test groups 1-5 and a control group, respectively applying 1000 kg of the sand soil conditioner obtained in the examples 1-5 to each mu of the test groups 1-5, stirring the sand soil conditioner with the soil after the sand soil conditioner is applied to each mu of the test groups, and watering the sand soil sufficiently; watering the control group with enough water; after 3d, the soil of the experimental groups 1-5 and the control group was analyzed, and the results are shown in table 1.
TABLE 1 soil analysis results of Experimental groups 1-5 and control group
As can be seen from table 1, the sandy soil conditioner provided by the present invention can improve the structure of soil.
Sorghum is planted in the lands of the experimental groups 1-5 and the control group, and after 4 months, the average height and the ground diameter of the sorghum are measured, and the results are shown in table 2.
TABLE 2 growth results of crops
As is clear from table 2, the sandy soil conditioner provided by the present invention can promote the growth of crops.
While the invention has been described in detail with reference to a sandy soil improvement agent and a method for preparing the same, the principle and embodiments of the invention are described herein by way of specific examples, which are provided to assist in understanding the method and the core concept of the invention, it should be noted that, to those skilled in the art, many modifications and variations can be made to the invention without departing from the principle of the invention, and such modifications and variations are within the scope of the invention as defined in the appended claims.
Claims (9)
1. The sandy soil conditioner is characterized by comprising the following raw materials in parts by weight:
2. the sandy soil amendment of claim 1, wherein the forestry and agricultural residues comprise one or more of straw, weeds, fallen leaves.
3. The sandy soil amendment of claim 1, wherein the livestock manure is selected from one or more of pig manure, cow manure, sheep manure, chicken manure, and duck manure.
4. The sandy soil amendment of claim 1, wherein the complex bacterial species comprises Acinetobacter solitarius, phosphate solubilizing bacteria, Pseudomonas aeruginosa, Paenibacillus, Bacillus subtilis, and Arthrobacter.
5. The desertification soil amendment of claim 4, wherein the viable count ratio of Acinetobacter solium, the phosphate solubilizing bacteria, the Pseudomonas aeruginosa, the Paenibacillus, the Bacillus subtilis and the Arthrobacter is (0.3-0.5) to (0.4-0.5): (1-1.5): (0.6-0.7): (2-3): (0.7-1).
6. The sandy soil amendment of claim 1, wherein the amendment comprises mushroom bran and humus.
7. The sandy soil improver as recited in claim 1, wherein the mesh number of said plant ash, said basalt and said medical stone is 10 to 30.
8. A method for preparing a sandy soil amendment as claimed in any one of claims 1 to 7, comprising the steps of:
a) cutting the agricultural and forestry waste into small sections of 3-4 cm for later use;
b) dividing the composite strain into two parts, namely a first part of composite strain and a second part of composite strain;
adding a first part of composite strain into the livestock manure, and fermenting at room temperature for 10-20 days to obtain a first fermentation product for later use;
adding a second part of composite strain into the sludge, and fermenting for 6-8 days at the temperature of 35-55 ℃ in a heat preservation manner to obtain a second fermentation product for later use;
c) adding a conditioner and the agricultural and forestry waste obtained in the step a) into the kitchen waste, and performing composting fermentation for 10-15 d at room temperature; performing composting fermentation for 30-40 d at 50-60 ℃ to obtain a third fermentation product;
d) mixing the first fermentation product and the second fermentation product obtained in the step b) and the third fermentation product obtained in the step c), adding biomass carbon, chitosan, plant ash, basalt, medical stone and wood vinegar, uniformly mixing, and granulating and molding;
e) drying the particles obtained in the step d) to obtain the desertification soil conditioner.
9. The method according to claim 8, wherein the mass ratio of the first composite bacterial seed to the second composite bacterial seed is (3-5): (0.8 to 1.5).
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| CN111592888A (en) * | 2020-05-27 | 2020-08-28 | 海南瑞茗阁实业有限公司 | Preparation and construction method of farmland irrigation water-retaining agent |
| CN112125730A (en) * | 2020-09-01 | 2020-12-25 | 内蒙古晟宇泰合农林生物科技有限公司 | Preparation and application of soil conditioner for treating desertification by changing kitchen waste into soil |
| CN112979394A (en) * | 2021-05-17 | 2021-06-18 | 国能龙源环保有限公司 | Method for preparing soil improvement matrix from solid waste of coal-fired power plant |
| CN112979392A (en) * | 2021-04-25 | 2021-06-18 | 宁夏农林科学院园艺研究所(宁夏设施农业工程技术研究中心) | Soil conditioner and preparation method thereof |
| CN113728751A (en) * | 2021-09-07 | 2021-12-03 | 陕西环保产业研究院有限公司 | Application method of agricultural solid waste in improvement of hardened sand |
| CN115197710A (en) * | 2022-07-22 | 2022-10-18 | 南开大学 | Preparation method of desertification soil conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111592888A (en) * | 2020-05-27 | 2020-08-28 | 海南瑞茗阁实业有限公司 | Preparation and construction method of farmland irrigation water-retaining agent |
| CN111592888B (en) * | 2020-05-27 | 2021-10-26 | 海南瑞茗阁实业有限公司 | Preparation and construction method of farmland irrigation water-retaining agent |
| CN112125730A (en) * | 2020-09-01 | 2020-12-25 | 内蒙古晟宇泰合农林生物科技有限公司 | Preparation and application of soil conditioner for treating desertification by changing kitchen waste into soil |
| CN112979392A (en) * | 2021-04-25 | 2021-06-18 | 宁夏农林科学院园艺研究所(宁夏设施农业工程技术研究中心) | Soil conditioner and preparation method thereof |
| CN112979394A (en) * | 2021-05-17 | 2021-06-18 | 国能龙源环保有限公司 | Method for preparing soil improvement matrix from solid waste of coal-fired power plant |
| CN113728751A (en) * | 2021-09-07 | 2021-12-03 | 陕西环保产业研究院有限公司 | Application method of agricultural solid waste in improvement of hardened sand |
| CN115197710A (en) * | 2022-07-22 | 2022-10-18 | 南开大学 | Preparation method of desertification soil conditioner |
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