CN113508739A - Organic nutritional type culture medium and preparation method thereof - Google Patents
Organic nutritional type culture medium and preparation method thereof Download PDFInfo
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- CN113508739A CN113508739A CN202110790989.0A CN202110790989A CN113508739A CN 113508739 A CN113508739 A CN 113508739A CN 202110790989 A CN202110790989 A CN 202110790989A CN 113508739 A CN113508739 A CN 113508739A
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- 235000016709 nutrition Nutrition 0.000 title claims abstract description 19
- 239000001963 growth medium Substances 0.000 title claims description 15
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000010815 organic waste Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000009629 microbiological culture Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 3
- 238000000855 fermentation Methods 0.000 claims description 28
- 230000004151 fermentation Effects 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 241000196324 Embryophyta Species 0.000 claims description 6
- 210000003608 fece Anatomy 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 4
- 235000007164 Oryza sativa Nutrition 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 240000008042 Zea mays Species 0.000 claims description 4
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 4
- 239000002154 agricultural waste Substances 0.000 claims description 4
- 235000013339 cereals Nutrition 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 235000005822 corn Nutrition 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 239000010806 kitchen waste Substances 0.000 claims description 4
- 235000021190 leftovers Nutrition 0.000 claims description 4
- 244000005700 microbiome Species 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000035764 nutrition Effects 0.000 claims description 4
- 235000009566 rice Nutrition 0.000 claims description 4
- 239000010902 straw Substances 0.000 claims description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 2
- 241000589151 Azotobacter Species 0.000 claims description 2
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 2
- 240000002791 Brassica napus Species 0.000 claims description 2
- 235000004977 Brassica sinapistrum Nutrition 0.000 claims description 2
- 102000004190 Enzymes Human genes 0.000 claims description 2
- 108090000790 Enzymes Proteins 0.000 claims description 2
- 241000186660 Lactobacillus Species 0.000 claims description 2
- 241001465754 Metazoa Species 0.000 claims description 2
- 241001494479 Pecora Species 0.000 claims description 2
- 241000235342 Saccharomycetes Species 0.000 claims description 2
- 241001655322 Streptomycetales Species 0.000 claims description 2
- 241000223259 Trichoderma Species 0.000 claims description 2
- 241001148470 aerobic bacillus Species 0.000 claims description 2
- 238000010564 aerobic fermentation Methods 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000001461 cytolytic effect Effects 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 229940039696 lactobacillus Drugs 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 230000000243 photosynthetic effect Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 239000011573 trace mineral Substances 0.000 claims description 2
- 235000013619 trace mineral Nutrition 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 241001446247 uncultured actinomycete Species 0.000 claims description 2
- 235000013343 vitamin Nutrition 0.000 claims description 2
- 239000011782 vitamin Substances 0.000 claims description 2
- 229940088594 vitamin Drugs 0.000 claims description 2
- 229930003231 vitamin Natural products 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 230000000972 organotrophic effect Effects 0.000 claims 4
- 239000010903 husk Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 2
- 238000012271 agricultural production Methods 0.000 abstract 1
- 239000002361 compost Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002881 soil fertilizer Substances 0.000 abstract 1
- 239000010828 animal waste Substances 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 6
- 230000003203 everyday effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 235000021095 non-nutrients Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A01G24/23—Wood, e.g. wood chips or sawdust
-
- 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
-
- 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
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
-
- 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
Abstract
The invention relates to a compost and solid soilless culture substrate, belongs to the technical field of bioengineering in the environmental protection field of harmless treatment and resource utilization of organic waste, and particularly relates to a green and environment-friendly full-nutrition soilless culture and seedling culture substrate, which is prepared by the following steps: is prepared by mixing and fermenting microbial cultures and various organic wastes, and the volume percentage is as follows: 20% of microbial culture and 80% of various organic wastes. The nutritional type cultivation seedling-raising medium is simple to manufacture, low in price and free of any artificially synthesized component, and provides a high-activity, high-efficiency and pollution-free soil-fertilizer integrated cultivation carrier for green ecological agricultural production.
Description
The technical field is as follows:
the invention relates to the technical field of culture substrates, in particular to an organic nutritional culture substrate and a preparation method thereof.
Background art:
the present substrate (solid) used for agricultural soilless culture is formed by mixing non-renewable resources such as peat, perlite and vermiculite with a non-nutrient culture carrier, and after the substrate is used for culturing plants, the nutrients required by the growth of the plants are mainly added with chemical fertilizers.
The natural growth of plants needs a cultivation carrier with an ecological environment balanced in physical, chemical and biological properties, and a large amount of organic wastes need a recycling purpose which can be achieved by full-effective resource utilization.
The invention content is as follows:
in order to solve the problems, the invention provides an organic nutritional type culture medium and a preparation method thereof.
The technical solution of the invention is that the organic nutritional type culture medium comprises 20-25% of microbial culture and 75-80% of various organic wastes in parts by volume.
Preferably, the various organic wastes comprise agricultural wastes, forestry residues, grain processing leftovers, plant extraction residues, biogas residues, garden trimmings and kitchen wastes.
A preparation method of an organic nutrition type culture medium comprises the following steps:
step S1, bacillus, azotobacter population, photosynthetic bacteria population, trichoderma population, saccharomycete population, lactobacillus population, streptomycete population, cellulolytic enzyme, high-temperature actinomycete population and bacteria population are obtained by extracting from cow dung, sheep dung, air and soil, dominant flora with strong activity and organic matter decomposition capacity is obtained by the flora through an orthogonal test and is used as fermentation seeds, the dominant flora is mixed with bran, rapeseed cakes and dry animal dung serving as main materials, brown sugar, trace elements, compound vitamins and amino acids are added, and the mixed crops enter an aerobic fermentation tank through a microorganism culture medium to be subjected to high-temperature fermentation treatment at the temperature of more than 70 ℃ for 20 days to obtain a microorganism culture;
s2, crushing various organic wastes obtained locally to a particle size of less than 1cm by a crusher;
step S3, mixing the microbial culture obtained in the step S1 and the crushed organic waste obtained in the step S2, stacking the mixture in a fermentation tank with the width not less than 4 meters, the length not less than 5 meters and the height not less than 1 meter for fermentation;
s4, statically placing the fermented product in the step S3 for 3 days, detecting the temperature, turning the fermented product to supply oxygen when the temperature is raised to 70 ℃, and allowing the fermented product to enter a heat preservation stage for high-temperature fermentation;
s5, repeatedly turning over the pile and supplying oxygen to keep the fermentation temperature, and continuously reproducing and decomposing organic matters by aerobic bacteria;
and step S6, after the fermentation temperature is reduced to 40 ℃, performing after-ripening management on the fermented product, and when the fermented product is brownish black in appearance, white hyphae are fully distributed in the center of the material, no peculiar smell is generated, and the pH value is 6.5-7.5, indicating that the preparation of the nutritional type culture seedling substrate is finished.
Preferably, the agricultural waste comprises straw and mushroom dregs.
Preferably, the forestry residues include branches, leaves, bark and wood chips.
Preferably, the grain processing leftovers comprise rice chaff, wheat hull, corncob and corn coating.
The invention has the beneficial effects that: the nutritional matrix is obtained by mixing and fermenting the extracted microbial culture and various organic wastes, so that the organic wastes can be subjected to full-effect harmless resource treatment, the organic matters are thoroughly decomposed, the stability is high, the culture matrix is rich and comprehensive in nutrition, has high water retention and air permeability, is rich in beneficial microbes, does not carry pathogenic bacteria and eggs, is pollution-free and odor-free, is safe and reliable, and is used as an optimal carrier for soilless culture and seedling culture, and the organic green original-taste agricultural products can be industrially produced in a flow manner without applying inorganic compounds harmful to the environment, such as pesticides, fertilizers and the like.
The specific implementation mode is as follows:
the organic nutritional type cultivation substrate and the preparation method thereof of the present invention will be further described with reference to the specific embodiments.
Preparing an organic nutritional type culture medium by the following method:
example 1:
step S1, collecting organic wastes such as straws, branches, leaves, barks, sawdust, rice chaff, wheat hulls, corncobs, corn coatings, biogas residues, plant extraction residues, kitchen waste, animal wastes and the like;
step S2, crushing the organic wastes except the animal wastes by a crusher to obtain particles with the particle size of less than 3 cm;
s3, adding 20% of crushed materials based on the volume of the animal wastes, and uniformly mixing the materials with 30% of microbial cultures, wherein the water content of the mixture is controlled to be 50% -60%;
step S4, stacking the mixed materials in a shape like a Chinese character 'duo' with a width of 4 m, a height of more than 1 m and a length of more than 5 m or putting the mixed materials into fermentation equipment for pre-fermentation;
and step S5, measuring the temperature every day and recording the temperature every day on the third day after the pile is built according to the requirements of pre-fermentation management. A multipoint measurement method is adopted during temperature measurement, the thermometer is required to be inserted into a position 50cm away from the material for measurement, and gas supply and oxygen supply are carried out after the temperature reaches more than 70 ℃ and is kept for 3 days;
step S6, after the pre-fermentation is carried out for 7 to 10 days, the high temperature of more than 70 ℃ is kept for secondary fermentation;
and step S7, after the secondary fermentation management of the nutritional culture seedling substrate is required to be built, temperature measurement is carried out every day and recording is carried out. The temperature measurement adopts a multipoint measurement method, and the thermometer is required to be inserted into a position 50cm away from the material for measurement. And when the temperature reaches above 70 ℃ and is kept for 3 days, the treatment of supplying and supplying oxygen is carried out, and thus oxygen is supplied for many times. The temperature required in the whole process is not lower than 70 ℃;
and step S8, detecting that the preparation of the nutritional type culture medium is finished when the appearance of the secondary fermentation product is changed into brownish black, white hypha is fully distributed in the center of the material, no peculiar smell is generated, and the pH value is 6.5-7.5.
Example 2:
step S1, collecting organic wastes such as straws, branches, leaves, barks, sawdust, rice chaff, wheat hulls, corncobs, corn coatings, biogas residues, plant extraction residues, kitchen waste, animal wastes and the like;
step S2, crushing the organic wastes except the animal wastes by a crusher to obtain particles with the particle size of less than 3 cm;
s3, adding 40% of crushed materials based on the volume of the animal wastes, and uniformly mixing the crushed materials with 20% of microbial cultures, wherein the water content of the mixture is controlled to be 50% -60%;
step S4, stacking the mixed materials in a shape like a Chinese character 'duo' with a width of 4 m, a height of more than 1 m and a length of more than 5 m or putting the mixed materials into fermentation equipment for pre-fermentation;
and step S5, measuring the temperature every day and recording the temperature every day on the third day after the pile is built according to the requirements of pre-fermentation management. A multipoint measurement method is adopted during temperature measurement, the thermometer is required to be inserted into a position 50cm away from the material for measurement, and the material is stirred after the temperature reaches more than 70 ℃ and is kept for 3 days;
step S6, after the pre-fermentation is carried out for 7 to 10 days, the high temperature of more than 70 ℃ is kept for secondary fermentation;
and step S7, after the secondary fermentation management of the nutrition type culture seedling substrate requires the stacking, the temperature measurement is carried out every day and the record is made. The temperature measurement adopts a multipoint measurement method, and the thermometer is required to be inserted into a position 50cm away from the material for measurement. And when the temperature reaches more than 70 ℃, keeping for 3 days, stirring the materials, and performing oxygen supply for many times. The temperature required in the whole process is not lower than 70 ℃;
and step S8, detecting that the appearance of the secondary fermentation product is changed into brownish black, white hypha is fully distributed in the center of the material, no peculiar smell is generated, and the pH value is between 6.5 and 7.5, which indicates that the preparation of the nutritional type culture seedling substrate is finished.
The above description is only a preferred embodiment of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work shall fall within the scope of the present invention.
Claims (6)
1. An organic nutrition type culture medium is characterized in that: comprises 20-25% of microbial culture and 75-80% of various organic wastes in parts by volume.
2. The organotrophic culture medium of claim 1, further comprising: the various organic wastes comprise agricultural wastes, forestry residues, grain processing leftovers, plant extraction residues, biogas residues, garden trimmings and kitchen wastes.
3. The method for preparing an organic nutritional type culture medium according to claim 1, wherein: the method comprises the following steps:
step S1, bacillus, azotobacter population, photosynthetic bacteria population, trichoderma population, saccharomycete population, lactobacillus population, streptomycete population, cellulolytic enzyme, high-temperature actinomycete population and bacteria population are obtained by extracting from cow dung, sheep dung, air and soil, dominant flora with strong activity and organic matter decomposition capacity is obtained by the flora through an orthogonal test and is used as fermentation seeds, the dominant flora is mixed with bran, rapeseed cakes and dry animal dung serving as main materials, brown sugar, trace elements, compound vitamins and amino acids are added, and the mixed crops enter an aerobic fermentation tank through a microorganism culture medium to be subjected to high-temperature fermentation treatment at the temperature of more than 70 ℃ for 20 days to obtain a microorganism culture;
s2, crushing various organic wastes obtained locally to a particle size of less than 1cm by a crusher;
step S3, mixing the microbial culture obtained in the step S1 and the crushed organic waste obtained in the step S2, stacking the mixture in a fermentation tank with the width not less than 4 meters, the length not less than 5 meters and the height not less than 1 meter for fermentation;
s4, statically placing the fermented product in the step S3 for 3 days, detecting the temperature, turning the fermented product to supply oxygen when the temperature is raised to 70 ℃, and allowing the fermented product to enter a heat preservation stage for high-temperature fermentation;
s5, repeatedly turning over the pile and supplying oxygen to keep the fermentation temperature, and continuously reproducing and decomposing organic matters by aerobic bacteria;
and step S6, after the fermentation temperature is reduced to 40 ℃, performing after-ripening management on the fermented product, and when the fermented product is brownish black in appearance, white hyphae are fully distributed in the center of the material, no peculiar smell is generated, and the pH value is 6.5-7.5, indicating that the preparation of the nutritional type culture seedling substrate is finished.
4. The organotrophic culture medium of claim 2, further comprising: the agricultural waste comprises straw and mushroom dregs.
5. The organotrophic culture medium of claim 2, further comprising: the forestry residues include branches, leaves, bark and wood chips.
6. The organotrophic culture medium of claim 2, further comprising: the grain processing leftovers comprise rice chaff, wheat husks, corncobs and corn coatings.
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CN202110790989.0A CN113508739A (en) | 2021-07-13 | 2021-07-13 | Organic nutritional type culture medium and preparation method thereof |
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CN202110790989.0A CN113508739A (en) | 2021-07-13 | 2021-07-13 | Organic nutritional type culture medium and preparation method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114208624A (en) * | 2021-12-17 | 2022-03-22 | 华中科技大学 | Cultivation substrate for greening, light soil for roof greening, preparation method and application |
CN114258837A (en) * | 2021-12-21 | 2022-04-01 | 四川农业大学 | Pear seedling culture substrate, preparation method thereof and pear seedling culture method |
CN114885767A (en) * | 2022-06-24 | 2022-08-12 | 新疆生产建设兵团第三师农业科学研究所 | Method for efficiently cultivating suaeda salsa in green in severe saline-alkali soil in southern Xinjiang |
CN115710146A (en) * | 2022-11-16 | 2023-02-24 | 云南省农业科学院农业环境资源研究所 | Fine-adjustment formula organic fertilizer combination for planting tobacco in viscous red soil |
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CN102491799A (en) * | 2011-11-21 | 2012-06-13 | 安徽农业大学 | Method for preparing agricultural and forestry organic substrate by utilizing abandoned dried bamboo shell |
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CN108117448A (en) * | 2018-01-09 | 2018-06-05 | 宁夏回族自治区农垦事业管理局农林牧技术推广服务中心 | Vegetable culture medium using agricultural wastes production and preparation method thereof |
CN111919709A (en) * | 2020-09-03 | 2020-11-13 | 甘肃省科学院生物研究所 | Cow dung basic carrier culture medium containing plant growth-promoting bacteria and preparation method thereof |
CN112608196A (en) * | 2020-12-18 | 2021-04-06 | 重庆市放歌农业科技有限公司 | Method for preparing microbial compound organic fertilizer by using livestock and poultry manure residues |
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CN102491799A (en) * | 2011-11-21 | 2012-06-13 | 安徽农业大学 | Method for preparing agricultural and forestry organic substrate by utilizing abandoned dried bamboo shell |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114208624A (en) * | 2021-12-17 | 2022-03-22 | 华中科技大学 | Cultivation substrate for greening, light soil for roof greening, preparation method and application |
CN114258837A (en) * | 2021-12-21 | 2022-04-01 | 四川农业大学 | Pear seedling culture substrate, preparation method thereof and pear seedling culture method |
CN114885767A (en) * | 2022-06-24 | 2022-08-12 | 新疆生产建设兵团第三师农业科学研究所 | Method for efficiently cultivating suaeda salsa in green in severe saline-alkali soil in southern Xinjiang |
CN115710146A (en) * | 2022-11-16 | 2023-02-24 | 云南省农业科学院农业环境资源研究所 | Fine-adjustment formula organic fertilizer combination for planting tobacco in viscous red soil |
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Application publication date: 20211019 |