CN113728751A - Application method of agricultural solid waste in improvement of hardened sand - Google Patents
Application method of agricultural solid waste in improvement of hardened sand Download PDFInfo
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- CN113728751A CN113728751A CN202111041017.8A CN202111041017A CN113728751A CN 113728751 A CN113728751 A CN 113728751A CN 202111041017 A CN202111041017 A CN 202111041017A CN 113728751 A CN113728751 A CN 113728751A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- 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
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- 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
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
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- Biotechnology (AREA)
- General Chemical & Material Sciences (AREA)
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- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of environmental management, in particular to an application method of agricultural solid waste in the aspect of improving hardened sand, which has simple flow, uses the agricultural solid waste as a raw material and adds arsenic sandstone into the sand to improve the sand and manage the environment, and is suitable for large-scale popularization; the method comprises the following steps: s1, smashing livestock and poultry manure, rice straws, wheat straws, corn straws, rice hulls, rhizomes, fallen leaves, fruit peels, fruit pits, feathers, fur and rural household garbage into waste powder, and uniformly stirring to form a mixture; s2, inoculating mixed bacteria with the weight of 6-10% of the weight of the waste powder into the mixture in the step S1; s3, crushing arsenicum sablimatum into arsenicum sablimatum powder, and uniformly scattering the arsenicum sablimatum powder on the surface of a sand ground; s4, watering the arsenicum sablimatum powder and sand; s5, uniformly scattering fermentation products on the dried ground; s6, crushing and mixing the fermentation product, the sandstone powder and the sand by using a rotary cultivator.
Description
Technical Field
The invention relates to the technical field of environmental management, in particular to an application method of agricultural solid waste in the aspect of improving hardened sand.
Background
Agricultural solid waste is a general term for waste discharged in agricultural production, agricultural product processing, livestock and poultry breeding industry and rural residents. The agricultural solid waste is mainly from waste generated in plant cultivation industry, agricultural and sideline product processing industry and animal breeding industry and the life of rural residents. The method comprises the following steps of: farmland and fruit residues such as straw, stubble, weeds, fallen leaves, fruit hulls, vines, branches and other waste; processing waste of agricultural products; livestock and poultry manure and pen bedding; human excrement and urine and domestic waste. Common agricultural solid wastes include rice straws, wheat straws, corn straws, rice hulls, rhizomes, fallen leaves, fruit peels, fruit pits, feathers, fur, livestock and poultry manure, rural domestic garbage and the like. However, in the prior art, the agricultural solid waste is applied in a few ways, and is often treated and returned to the field, so that the application is single.
Two kinds of sandstone and sand are widely distributed in the Maowu sand, the sandstone is rock with low diagenesis degree, is hard as stone in a dry state, but is soft as mud when meeting water, has strong water retention capacity and is easy to harden; the sand in the sand land has high sand content, loose sand structure, serious water and fertilizer leakage and little content of particles and clay beneficial to the growth of crops. The south China vegetable research team uses the complementary property characteristics of arsenicum sablimatum and sand to compound the arsenicum sablimatum and the sand according to various proportions, so that two pests can be changed into one treasure, and a novel compound soil is formed. The sand content in the compound soil is obviously reduced, the particle content is obviously increased, the clay content is also improved, and the soil texture is changed from the sandy soil type of the Maousu sand land into the type more suitable for cultivating sandy soil or sandy soil; compared with the original sand land, the compound soil has the advantages that the water and fertilizer retention capacity is greatly improved, but the compound soil has the defects of limited nutritive value and difficulty in plant growth.
Therefore, how to combine the agricultural solid waste, the sandstone and the sand for improving the sand is important.
Disclosure of Invention
In order to solve the technical problems, the invention provides an application method of agricultural solid waste in the aspect of improving hardened sand, which has simple flow, and the agricultural solid waste is used as a raw material and added into the sand with arsenic sandstone to improve the sand and control the environment, thereby being suitable for large-scale popularization.
The invention discloses an application method of agricultural solid waste in the aspect of improving hardened sand, which comprises the following steps:
s1, smashing livestock and poultry manure, rice straws, wheat straws, corn straws, rice hulls, rhizomes, fallen leaves, fruit peels, fruit pits, feathers, fur and rural household garbage into waste powder, adding 20% brown sugar water accounting for 3-5% of the weight of the waste powder, and adding 0.1-20mg/L Na accounting for 3% of the weight of the waste powder2SeO4Uniformly stirring the solution to form a mixture;
s2, inoculating mixed bacteria of which the weight is 6-10% of the weight of the waste powder into the mixture obtained in the step S1, uniformly stirring, sequentially carrying out aerobic composting and anaerobic composting, and uniformly stirring to obtain a fermentation product;
s3, crushing arsenicum sablimatum into arsenicum sablimatum powder, and uniformly scattering the arsenicum sablimatum powder on the surface of a sand ground;
s4, watering the arsenicum sablimatum powder and the sand, and naturally drying the arsenicum sablimatum powder until the arsenicum sablimatum powder is slightly wet;
s5, uniformly scattering fermentation products on the dried ground;
and S6, crushing and mixing the fermentation product, the arsenopyrite powder and the sand by using a rotary cultivator, and flattening.
The invention relates to an application method of agricultural solid waste in the aspect of improving hardened sand, wherein the mixed bacteria strains are photosynthetic probiotic bacteria, lactic acid bacteria, actinomycetes and filamentous bacteria.
According to the application method of the agricultural solid waste in the aspect of improving the hardened sand, in the step S1, the addition amounts of the livestock manure, the rice straw, the wheat straw, the corn straw, the rice hull, the rhizome, the fallen leaves, the fruit peel, the fruit kernel, the feathers, the fur and the rural domestic garbage are in any proportion, and the non-degradable garbage needs to be removed from the rural domestic garbage.
The invention relates to an application method of agricultural solid waste in the aspect of improving hardened sand, wherein Na is adopted in the step S12SeO4The concentration of the solution is 5-20 mg/L.
The application method of the agricultural solid waste in the aspect of improving the hardened sand land comprises the steps of enabling the thickness of the arsenopyrite powder to be 0.5-1.6cm in step S3, enabling the thickness of the fermentation product to be 0.3-1.4cm in step S5, and enabling the rotary tillage depth of sand to be 15cm in step S6.
Compared with the prior art, the invention has the beneficial effects that:
firstly, carrying out aerobic composting and anaerobic composting on agricultural solid waste, and adding Na2SeO4 as a selenium source to enable the photosynthetic probiotic bacteria, the lactic acid bacteria group, the actinomycete group and the filamentous bacteria group to inject selenium in the growth and reproduction process, so that the vitality of the photosynthetic probiotic bacteria, the lactic acid bacteria group, the actinomycete group and the filamentous bacteria group is improved, meanwhile, the plants can inject the selenium in the growth process, the vitality of the plants is improved, and positive influence is brought to the growth of trees;
secondly, performing aerobic composting and anaerobic composting on the agricultural solid waste, decomposing nutrient substances of the agricultural solid waste to ensure that trees obtain sufficient nutrition and keep a good growth state, and meanwhile, taking the agricultural solid waste as a raw material, under the condition of large sand area, popularizing the method on a large scale, and reusing the agricultural solid waste to play a positive role;
and fourthly, the sandstone powder and the sandy soil are mixed, the content of sand grains in the mixed soil is obviously reduced, the content of powder grains is obviously increased, the content of sticky grains is also improved, the soil texture is changed from a sandy soil type of a sandy land into a type more suitable for cultivating sandy soil or sandy soil, and the fermented agricultural solid waste is added, so that the soil is fertile and is not easy to resritize.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
the invention discloses an application method of agricultural solid waste in the aspect of improving hardened sand, which comprises the following steps:
s1, crushing 1 ton of livestock and poultry manure, rice straw, wheat straw, corn straw, rice hull, rhizome, fallen leaves, fruit peel, fruit stone, feather, fur and rural household garbage into waste powder, adding 20% brown sugar water of 5% of waste powder weight, and adding 0.1mg/L Na of 3% of waste powder weight2SeO4Uniformly stirring the solution to form a mixture;
s2, inoculating mixed bacteria (photosynthetic probiotic bacteria, lactic acid bacteria, actinomycetes and filamentous bacteria) which account for 10% of the weight of the waste powder into the mixture obtained in the step S1, uniformly stirring, sequentially performing aerobic composting and anaerobic composting, and uniformly stirring to obtain a fermentation product;
s3, crushing arsenicum sablimatum into arsenicum sablimatum powder, and uniformly scattering the arsenicum sablimatum powder on the surface of a sand ground, wherein the thickness of the arsenicum sablimatum powder is 0.5 cm;
s4, watering the arsenicum sablimatum powder and the sand, and naturally drying the arsenicum sablimatum powder until the arsenicum sablimatum powder is slightly wet;
s5, uniformly scattering fermentation products on the aired ground, wherein the thickness of the fermentation products is 0.3 cm;
s6, crushing and mixing the fermentation product, the arsenicum sablimatum powder and the sand by using a rotary cultivator, and flattening, wherein the rotary cultivator carries out rotary tillage on the sand with the depth of 15 cm.
Example 2:
the invention discloses an application method of agricultural solid waste in the aspect of improving hardened sand, which comprises the following steps:
s1, crushing 1 ton of poultry and livestock manure, rice straw, wheat straw, corn straw, rice hull, rhizome, fallen leaves, fruit peel, fruit stone, feather, fur and rural household garbage into waste powder, adding 20% brown sugar water accounting for 3% of the weight of the waste powder, and adding 20mg/L Na accounting for 3% of the weight of the waste powder2SeO4Uniformly stirring the solution to form a mixture;
s2, inoculating mixed bacteria (photosynthetic probiotic bacteria, lactic acid bacteria, actinomycetes and filamentous bacteria) 6% of the weight of the waste powder into the mixture obtained in the step S1, uniformly stirring, sequentially performing aerobic composting and anaerobic composting, and uniformly stirring to obtain a fermentation product;
s3, crushing arsenicum sablimatum into arsenicum sablimatum powder, and uniformly scattering the arsenicum sablimatum powder on the surface of a sand ground, wherein the thickness of the arsenicum sablimatum powder is 1.6 cm;
s4, watering the arsenicum sablimatum powder and the sand, and naturally drying the arsenicum sablimatum powder until the arsenicum sablimatum powder is slightly wet;
s5, uniformly scattering fermentation products on the aired ground, wherein the thickness of the fermentation products is 1.4 cm;
s6, crushing and mixing the fermentation product, the arsenicum sablimatum powder and the sand by using a rotary cultivator, and flattening, wherein the rotary cultivator carries out rotary tillage on the sand with the depth of 15 cm.
Example 3:
the invention discloses an application method of agricultural solid waste in the aspect of improving hardened sand, which comprises the following steps:
s1, crushing 1 ton of livestock and poultry manure, rice straw, wheat straw, corn straw, rice hull, rhizome, fallen leaves, fruit peel, fruit stone, feather, fur and rural household garbage into waste powder, adding 20% brown sugar water accounting for 3.4% of the weight of the waste powder, and adding 9mg/L Na accounting for 3% of the weight of the waste powder2SeO4Uniformly stirring the solution to form a mixture;
s2, inoculating mixed bacteria (photosynthetic probiotic bacteria, lactic acid bacteria, actinomycetes and filamentous bacteria) which account for 8% of the weight of the waste powder into the mixture obtained in the step S1, uniformly stirring, sequentially performing aerobic composting and anaerobic composting, and uniformly stirring to obtain a fermentation product;
s3, crushing arsenicum sablimatum into arsenicum sablimatum powder, and uniformly scattering the arsenicum sablimatum powder on the surface of a sand ground, wherein the thickness of the arsenicum sablimatum powder is 1.1 cm;
s4, watering the arsenicum sablimatum powder and the sand, and naturally drying the arsenicum sablimatum powder until the arsenicum sablimatum powder is slightly wet;
s5, uniformly scattering fermentation products on the aired ground, wherein the thickness of the fermentation products is 0.6 cm;
s6, crushing and mixing the fermentation product, the arsenicum sablimatum powder and the sand by using a rotary cultivator, and flattening, wherein the rotary cultivator carries out rotary tillage on the sand with the depth of 15 cm.
Comparative example 1:
differs from example 3 in that Na is not added2SeO4；
Comparative example 2:
the difference from the embodiment 3 is that arsenic sandstone powder is not thrown;
comparative example 3:
the difference from example 3 is that no fermentation product throwing was carried out;
taking 5 tons of livestock excrement, rice straws, wheat straws, corn straws, rice hulls, rhizomes, fallen leaves, fruit peels, fruit pits, feathers, fur and rural household garbage, crushing the livestock excrement, the rice straws, the wheat straws, the corn straws, the rice hulls, the rhizomes, the fallen leaves, the fruit peels, the fruit seeds, the feathers, the fur and the rural household garbage into waste powder, uniformly distributing the waste powder to the examples 1-3 and the comparative examples 1-2 for use, selecting 6 sand lands in certain areas in Gansu, respectively recording 1, 2, 3, 4, 5 and 6, respectively carrying out the treatments of the examples 1-3 and the comparative examples 1-3 on the 6 sand lands, planting 100 poplar trees in spring, observing growth vigor every 2 months, carrying out equal watering, recording growth vigor, and obtaining the following data after 2 years:
as shown by comparing examples 1 to 3 with comparative examples 1 to 3, the growth of the poplar in examples 1 to 3 was good for 1 year, and in examples 1 to 3, the agricultural solid waste was aerobically composted and anaerobically composted, and Na was added2SeO4As a selenium source, the photosynthetic probiotic bacteria, the lactic acid bacteria group, the actinomycete group and the filamentous bacteria group inject selenium in the growth and reproduction process, so that the vitality of the photosynthetic probiotic bacteria, the lactic acid bacteria group, the actinomycete group and the filamentous bacteria group is improved, meanwhile, the plants also inject the selenium in the growth process, the vitality of the plants is improved, and the positive influence is brought to the growth of trees;
carrying out aerobic composting and anaerobic composting on the agricultural solid waste, and decomposing nutrient substances of the agricultural solid waste to ensure that the trees obtain sufficient nutrition and keep a better growth state;
the arsenic sand powder and the sandy soil are mixed, the sand grain content in the mixed soil is obviously reduced, the particle content is obviously increased, the clay grain content is also improved, the soil texture is changed from the sandy soil type of a sandy land into the type more suitable for cultivating sandy soil or sandy loam, and simultaneously, fermented agricultural solid wastes are added to ensure that the soil is fertile;
the soil was normally cultivated on six sand lands for 5 years, and the appearance of the sand lands was recorded, and the following data were obtained:
from the data, the examples 1 to 3 are not desertified, the plants are cultivated for 5 years in the case of the comparative example 1 without adding a selenium source, 60 percent of desertification is generated, the vitality of microorganisms is weaker compared with the examples 1 to 3, the benefit to the plants is gradually lost, and the soil solidification effect is poor in the case that the plants cannot continue to grow, so that part of the soil is newly desertified; comparative example 2 in the case of adding only the fermentation product, the disadvantage of the original sand could not be improved, resulting in total desertification; comparative example 3 although the original sandy soil was improved for a part of the time, the vegetation was rendered non-viable without nutrients, resulting in resalinization.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An application method of agricultural solid waste in the aspect of improving hardened sand is characterized by comprising the following steps:
s1, smashing livestock and poultry manure, rice straws, wheat straws, corn straws, rice hulls, rhizomes, fallen leaves, fruit peels, fruit pits, feathers, fur and rural household garbage into waste powder, adding 20% brown sugar water accounting for 3-5% of the weight of the waste powder, and adding 0.1-20mg/L Na accounting for 3% of the weight of the waste powder2SeO4Uniformly stirring the solution to form a mixture;
s2, inoculating mixed bacteria of which the weight is 6-10% of the weight of the waste powder into the mixture obtained in the step S1, uniformly stirring, sequentially carrying out aerobic composting and anaerobic composting, and uniformly stirring to obtain a fermentation product;
s3, crushing arsenicum sablimatum into arsenicum sablimatum powder, and uniformly scattering the arsenicum sablimatum powder on the surface of a sand ground;
s4, watering the arsenicum sablimatum powder and the sand, and naturally drying the arsenicum sablimatum powder until the arsenicum sablimatum powder is slightly wet;
s5, uniformly scattering fermentation products on the dried ground;
and S6, crushing and mixing the fermentation product, the arsenopyrite powder and the sand by using a rotary cultivator, and flattening.
2. The method for applying agricultural solid waste to improvement of hardened sand as claimed in claim 1, wherein the mixed bacterial strain is photosynthetic probiotic bacteria, lactic acid bacteria, actinomycetes and filamentous bacteria.
3. The method of claim 1, wherein in step S1, the amount of the solid agricultural waste added is any proportion, and the solid agricultural waste is difficult to degrade.
4. The method of claim 1, wherein the step S1 is carried out with Na as the main component2SeO4The concentration of the solution is 5-20 mg/L.
5. The method for applying agricultural solid waste to the improvement of hardened sand as claimed in claim 1, wherein the thickness of the arsenopyrite powder in step S3 is 0.5-1.6cm, the thickness of the fermentation product in step S5 is 0.3-1.4cm, and the rotary tillage depth of sand in step S6 is 15 cm.
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| 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 |
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2021
- 2021-09-07 CN CN202111041017.8A patent/CN113728751A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234915A (en) * | 2008-02-02 | 2008-08-06 | 姜凤云 | High microorganism fertilizer and its preparing method |
| CN105993255A (en) * | 2016-05-16 | 2016-10-12 | 中国神华能源股份有限公司 | Method for improving soil quality |
| CN108840777A (en) * | 2018-08-09 | 2018-11-20 | 贵州世农肥业有限公司 | A kind of environment-friendly highly efficient microbial organic fertilizer and preparation method thereof |
| CN110950707A (en) * | 2019-08-01 | 2020-04-03 | 安徽其霖环境工程技术有限公司 | Sandy soil conditioner and preparation method thereof |
| CN111448868A (en) * | 2020-03-20 | 2020-07-28 | 北京嘉博文生物科技有限公司 | Planting method for transforming desert wasteland |
| CN111919533A (en) * | 2020-07-09 | 2020-11-13 | 亿利资源集团有限公司 | Comprehensive improvement method for desertification land |
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Application publication date: 20211203 |