CN113214025A - Biochar-based organic fertilizer for restoring soil environment - Google Patents
Biochar-based organic fertilizer for restoring soil environment Download PDFInfo
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- CN113214025A CN113214025A CN202011316071.4A CN202011316071A CN113214025A CN 113214025 A CN113214025 A CN 113214025A CN 202011316071 A CN202011316071 A CN 202011316071A CN 113214025 A CN113214025 A CN 113214025A
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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
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Abstract
The invention discloses a biochar-based organic fertilizer for restoring soil environment, which consists of biomass charcoal, trace element additives, traditional Chinese medicine residues, floras, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite. The organic fertilizer disclosed by the invention consists of biomass charcoal, trace element additives, traditional Chinese medicine residues, floras, waste biomass, activated carbon, diatomite and kaolin, can improve soil organic matters, supplement nutrients in soil, increase the porosity of the soil, reduce the volume weight of the soil, improve the water and fertilizer retention capacity of the soil, improve saline-alkali soil, delay the release speed of nutrients in the fertilizer, prolong the fertilizer supply time, improve the utilization rate of the fertilizer, improve the disease resistance of crops, provide conditions for the conversion of the organic matters in the soil and accelerate the restoration speed of the soil.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a charcoal-based organic fertilizer for soil environment remediation.
Background
The soil remediation is a technical measure for restoring the normal function of polluted soil, in the soil remediation industry, the existing soil remediation technology reaches more than one hundred, the common technologies also have more than ten, and can be roughly divided into three methods, namely a physical method, a chemical method and a biological method.
Disclosure of Invention
The invention aims to provide a charcoal-based organic fertilizer for restoring soil environment, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin.
Preferably, the biomass charcoal comprises peanut shells, straws, sawdust, corn stalks, leaves, food residues, bagasse, rice chaff, bean pulp, bran and vegetable cakes, and comprises the following components in parts by weight: 10-20 parts of peanut shells; 30-45 parts of straw; 8-15 parts of wood chips; 15-25 parts of corn stalks; 28-42 parts of leaves; 40-60 parts of food residues; 5-10 parts of bagasse; 4-12 parts of rice chaff; 2-8 parts of soybean meal; 8-15 parts of bran; 4-9 parts of vegetable cake.
Preferably, the microelement additive is one or a mixture of ferrous sulfate, manganese sulfate, zinc sulfate, ammonium molybdate, copper sulfate, borax, boric acid or sodium molybdate.
Preferably, the traditional Chinese medicine residues are composed of scutellaria baicalensis, ginkgo leaves, eucommia ulmoides, schisandra chinensis, chinaroot greenbrier rhizome, ginseng, dried orange peel, liquorice, codonopsis pilosula, platycodon grandiflorum, wormwood and saffron crocus, and the traditional Chinese medicine residues comprise the following components in parts by weight: 37 parts of scutellaria; 15-25 parts of ginkgo leaves; 4-10 parts of eucommia ulmoides; 2-6 parts of schisandra chinensis; 4-8 parts of white poria; 1-4 parts of ginseng; 8-15 parts of dried orange peel; 6-12 parts of liquorice; 5-10 parts of codonopsis pilosula; 6-12 parts of platycodon grandiflorum; 30-40 parts of wormwood; 4-12 parts of saffron.
Preferably, the flora consists of photosynthetic bacteria, saccharomycetes, phanerochaete chrysosporium, aspergillus niger, actinomycetes, filamentous bacteria, JT microbial bacteria, EM microbial bacteria, bacillus subtilis, lactobacillus plantarum, azotobacter, phosphate solubilizing bacteria and agrobacterium tumefaciens, and the components in parts by weight are as follows: 30-45 parts of photosynthetic bacteria; 15-25 parts of yeast; 6-12 parts of phanerochaete chrysosporium; 3-8 parts of aspergillus niger; 5-10 parts of actinomycetes; 2-6 parts of filamentous fungi; 7-13 parts of JT microbial bacteria; 3-6 parts of EM microbial bacteria; 6-12 parts of bacillus subtilis; 4-9 parts of lactobacillus plantarum; 3-8 parts of azotobacter; 4-10 parts of phosphate solubilizing bacteria; 3-7 parts of agrobacterium tumefaciens.
Preferably, the waste biomass comprises wood chips, barks, sludge, chicken manure, pig manure, straws, pomace and cow manure, and the waste biomass comprises the following components in parts by weight: 15-25 parts of wood chips; 25-45 parts of bark; 50-80 parts of sludge; 10-20 parts of chicken manure; 10-20 parts of pig manure; 20-40 parts of straw; 6-12 parts of fruit residues; 8-15 parts of cow dung.
Preferably, the preparation method is also included, and the preparation method comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
Compared with the prior art, the invention has the following beneficial effects:
the organic fertilizer disclosed by the invention consists of biomass charcoal, trace element additives, traditional Chinese medicine residues, floras, waste biomass, activated carbon, diatomite and kaolin, can improve soil organic matters, supplement nutrients in soil, increase the porosity of the soil, reduce the volume weight of the soil, improve the water and fertilizer retention capacity of the soil, improve saline-alkali soil, delay the release speed of nutrients in the fertilizer, prolong the fertilizer supply time, improve the utilization rate of the fertilizer, improve the disease resistance of crops, provide conditions for the conversion of the organic matters in the soil and accelerate the restoration speed of the soil, and meanwhile, the adopted traditional Chinese medicine residues can be changed into valuables, so that the organic fertilizer is scientific, reasonable, green and environment-friendly, has higher stress resistance, thereby expanding the application range of the organic fertilizer and being in line with the benefits of enterprises.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin.
The organic matter of the soil can be improved, the nutrients in the soil can be supplemented, the porosity of the soil can be increased, the volume weight of the soil can be reduced, the water and fertilizer retention capacity of the soil can be improved, the saline-alkali soil can be improved, the release speed of the nutrients in the fertilizer can be delayed, the fertilizer supply time can be prolonged, the utilization rate of the fertilizer can be improved, the disease resistance of crops can be improved, conditions are provided for the conversion of the organic matter in the soil, the restoration speed of the soil can be accelerated, meanwhile, the adopted Chinese medicine residues can be changed into valuables, the method is scientific, reasonable, green, environment-friendly and high in stress resistance, the application range of the method is expanded, and the benefit of an enterprise is met.
The first embodiment is as follows:
a biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin, wherein the biomass charcoal consists of peanut shells, straws, sawdust, corn stalks, leaves, food residues, bagasse, rice chaff, soybean meal, bran and vegetable cakes, and the biomass charcoal comprises the following components in parts by weight: 10-20 parts of peanut shells; 30-45 parts of straw; 8-15 parts of wood chips; 15-25 parts of corn stalks; 28-42 parts of leaves; 40-60 parts of food residues; 5-10 parts of bagasse; 4-12 parts of rice chaff; 2-8 parts of soybean meal; 8-15 parts of bran; 4-9 parts of vegetable cake.
The preparation method also comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
Example two:
a biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin, wherein the microelement additive is one or a mixture of more of ferrous sulfate, manganese sulfate, zinc sulfate, ammonium molybdate, copper sulfate, borax, boric acid or sodium molybdate.
The preparation method also comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
Example three:
a biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin, wherein the traditional Chinese medicine residues consist of scutellaria baicalensis, ginkgo leaves, eucommia ulmoides, schisandra chinensis, chinaroot greenbrier rhizome, ginseng, dried orange peel, liquorice, codonopsis pilosula, platycodon grandiflorum, wormwood and saffron crocus, and the traditional Chinese medicine residues comprise the following components in parts by weight: 37 parts of scutellaria; 15-25 parts of ginkgo leaves; 4-10 parts of eucommia ulmoides; 2-6 parts of schisandra chinensis; 4-8 parts of white poria; 1-4 parts of ginseng; 8-15 parts of dried orange peel; 6-12 parts of liquorice; 5-10 parts of codonopsis pilosula; 6-12 parts of platycodon grandiflorum; 30-40 parts of wormwood; 4-12 parts of saffron.
The preparation method also comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
Example four:
a biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin, wherein the flora consists of photosynthetic bacteria, saccharomycetes, phanerochaete chrysosporium, aspergillus niger, actinomycetes, filamentous bacteria, JT microbial bacteria, EM microbial bacteria, bacillus subtilis, lactobacillus plantarum, azotobacter, phosphate solubilizing bacteria and agrobacterium tumefaciens, and the components in parts by weight are as follows: 30-45 parts of photosynthetic bacteria; 15-25 parts of yeast; 6-12 parts of phanerochaete chrysosporium; 3-8 parts of aspergillus niger; 5-10 parts of actinomycetes; 2-6 parts of filamentous fungi; 7-13 parts of JT microbial bacteria; 3-6 parts of EM microbial bacteria; 6-12 parts of bacillus subtilis; 4-9 parts of lactobacillus plantarum; 3-8 parts of azotobacter; 4-10 parts of phosphate solubilizing bacteria; 3-7 parts of agrobacterium tumefaciens.
The preparation method also comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
Example five:
a biochar-based organic fertilizer for restoring soil environment is composed of biomass charcoal, a trace element additive, traditional Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin, wherein the waste biomass comprises wood chips, barks, sludge, chicken manure, pig manure, straws, pomace and cow manure, and the components in parts by weight are as follows: 15-25 parts of wood chips; 25-45 parts of bark; 50-80 parts of sludge; 10-20 parts of chicken manure; 10-20 parts of pig manure; 20-40 parts of straw; 6-12 parts of fruit residues; 8-15 parts of cow dung.
The preparation method also comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
And (3) product detection test:
the detection bases are NY/T525-2002 and GB 18877-2002.
The influence of applying the common organic fertilizer and the biochar-based organic fertilizer on the soybeans, the kiwi fruits, the rice, the peanuts and the soil is counted as shown in the following table:
| soybean yield per mu (kg) | Kiwi fruit yield per mu (kg) | Yield per mu (kg) | Peanut yield per mu (kg) | Organic matter content (g/kg) | TN content (g/kg) | |
| Common organic fertilizer | 180 | 1200 | 700 | 450 | 25 | 1.62 |
| Example one | 195 | 1400 | 780 | 495 | 28 | 1.68 |
| Example two | 200 | 1250 | 850 | 510 | 29 | 1.68 |
| EXAMPLE III | 190 | 1350 | 900 | 550 | 26 | 1.75 |
| Example four | 185 | 1300 | 850 | 600 | 30 | 1.72 |
| EXAMPLE five | 220 | 1320 | 1000 | 630 | 35 | 1.83 |
As can be seen from the table, the yield of soybean, kiwi fruit, rice and peanut and the content of organic matter and TN in soil are obviously higher than those of soybean, kiwi fruit, rice and peanut and the content of organic matter and TN in soil treated by common organic fertilizer by applying the biochar-based organic fertilizer of the embodiments 1 to 5 of the present invention, so that the application of the biochar-based organic fertilizer of the embodiments of the present invention can improve the yield of soybean, kiwi fruit, rice and peanut and the content of organic matter and TN in soil.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The biochar-based organic fertilizer for restoring the soil environment is characterized in that: the organic fertilizer consists of biomass charcoal, a trace element additive, Chinese medicine residues, flora, waste biomass, activated carbon, diatomite and kaolin, and comprises the following components in parts by weight: 40-60 parts of biomass charcoal; 10-15 parts of trace element additive; 4-10 parts of traditional Chinese medicine residues; 3-8 parts of flora; 30-50 parts of waste biomass; 20-35 parts of activated carbon; 15-25 parts of diatomite; 10-20 parts of kaolin.
2. The biochar-based organic fertilizer for restoring soil environment according to claim 1, which is characterized in that: the biomass charcoal comprises peanut shells, straws, sawdust, corn stalks, leaves, food residues, bagasse, rice chaff, soybean meal, bran and vegetable cakes, and comprises the following components in parts by weight: 10-20 parts of peanut shells; 30-45 parts of straw; 8-15 parts of wood chips; 15-25 parts of corn stalks; 28-42 parts of leaves; 40-60 parts of food residues; 5-10 parts of bagasse; 4-12 parts of rice chaff; 2-8 parts of soybean meal; 8-15 parts of bran; 4-9 parts of vegetable cake.
3. The biochar-based organic fertilizer for restoring soil environment according to claim 1, which is characterized in that: the microelement additive is one or more of ferrous sulfate, manganese sulfate, zinc sulfate, ammonium molybdate, copper sulfate, borax, boric acid or sodium molybdate.
4. The biochar-based organic fertilizer for restoring soil environment according to claim 1, which is characterized in that: the traditional Chinese medicine residues are composed of scutellaria baicalensis, ginkgo leaves, eucommia ulmoides, schisandra chinensis, chinaroot greenbrier rhizome, ginseng, dried orange peel, liquorice, codonopsis pilosula, platycodon grandiflorum, wormwood and saffron crocus, and comprise the following components in parts by weight: 37 parts of scutellaria; 15-25 parts of ginkgo leaves; 4-10 parts of eucommia ulmoides; 2-6 parts of schisandra chinensis; 4-8 parts of white poria; 1-4 parts of ginseng; 8-15 parts of dried orange peel; 6-12 parts of liquorice; 5-10 parts of codonopsis pilosula; 6-12 parts of platycodon grandiflorum; 30-40 parts of wormwood; 4-12 parts of saffron.
5. The biochar-based organic fertilizer for restoring soil environment according to claim 1, which is characterized in that: the flora consists of photosynthetic bacteria, saccharomycetes, phanerochaete chrysosporium, aspergillus niger, actinomycetes, filamentous bacteria, JT microbial bacteria, EM microbial bacteria, bacillus subtilis, lactobacillus plantarum, azotobacter, phosphate solubilizing bacteria and agrobacterium tumefaciens, and the components in parts by weight are as follows: 30-45 parts of photosynthetic bacteria; 15-25 parts of yeast; 6-12 parts of phanerochaete chrysosporium; 3-8 parts of aspergillus niger; 5-10 parts of actinomycetes; 2-6 parts of filamentous fungi; 7-13 parts of JT microbial bacteria; 3-6 parts of EM microbial bacteria; 6-12 parts of bacillus subtilis; 4-9 parts of lactobacillus plantarum; 3-8 parts of azotobacter; 4-10 parts of phosphate solubilizing bacteria; 3-7 parts of agrobacterium tumefaciens.
6. The biochar-based organic fertilizer for restoring soil environment according to claim 1, which is characterized in that: the waste biomass is composed of wood chips, barks, sludge, chicken manure, pig manure, straws, pomace and cow manure, and comprises the following components in parts by weight: 15-25 parts of wood chips; 25-45 parts of bark; 50-80 parts of sludge; 10-20 parts of chicken manure; 10-20 parts of pig manure; 20-40 parts of straw; 6-12 parts of fruit residues; 8-15 parts of cow dung.
7. The biochar-based organic fertilizer for restoring soil environment according to claim 1, which is characterized in that: the preparation method also comprises the following steps:
A. separately putting biomass charcoal, traditional Chinese medicine residues, waste biomass, active carbon, diatomite and kaolin in parts by weight into a crusher for crushing treatment;
B. putting the trace element additive, the flora, the crushed biomass carbon, the Chinese medicine residues, the waste biomass, the activated carbon, the diatomite and the kaolin into a mixer in parts by weight for mixing treatment;
C. adding a proper amount of water into a mixer, and then putting the mixture into a screw extruder for extrusion granulation treatment;
D. and packaging and warehousing after the inspection is qualified.
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| CN202011316071.4A CN113214025A (en) | 2020-11-22 | 2020-11-22 | Biochar-based organic fertilizer for restoring soil environment |
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| CN115259956A (en) * | 2022-06-25 | 2022-11-01 | 广西七彩环境科技有限公司 | Organic-inorganic compound fertilizer with water purifying and adsorbing material as matrix and preparation method thereof |
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