CN110981624A - Plant-growing biological organic fertilizer for nursery stocks and preparation method thereof - Google Patents
Plant-growing biological organic fertilizer for nursery stocks and preparation method thereof Download PDFInfo
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- CN110981624A CN110981624A CN201911236199.7A CN201911236199A CN110981624A CN 110981624 A CN110981624 A CN 110981624A CN 201911236199 A CN201911236199 A CN 201911236199A CN 110981624 A CN110981624 A CN 110981624A
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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
- 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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Abstract
The invention belongs to the technical field of fertilizers, and particularly relates to a plant-growing biological organic fertilizer for nursery stocks, which comprises the following raw material components: 12-16 parts of humic acid, 6-12 parts of active sludge powder, 24-36 parts of cow and sheep manure, 24-36 parts of crop straws, 12-16 parts of earthworm mud, 5-15 parts of lemon leaves, 6-12 parts of shells, 6-12 parts of sugar cane peel, 12-16 parts of wheat bran, 24-36 parts of herb residues, 12-16 parts of peanut shells, 12-16 parts of corn stigma, 12-16 parts of towel gourd cores, 12-16 parts of peach kernels, 12-16 parts of rice dumpling leaves, 24-36 parts of bean residues, 12-16 parts of shaddock peels and 6-12 parts of bacillus or actinomycetes. After the organic fertilizer is used, most elements are utilized by roots, so that the organic fertilizer has high fertility, can change the carbon structure of soil and efficiently supply carbon nutrition to plants, can reduce environmental pollution, and has wide application in the field of organic fertilizers.
Description
Technical Field
The invention belongs to the technical field of fertilizers, and particularly relates to a biological organic fertilizer for plant growth and a preparation method thereof.
Background
Fertilizers are substances which provide one or more nutrient elements necessary for plants, improve soil properties and increase soil fertility levels. Chemical fertilizers are widely used fertilizers for crops. When nitrogen, phosphorus or potassium in the soil cannot meet the growth requirement of crops, a fertilizer containing nitrogen, phosphorus or potassium can be applied. However, fertilizers have negative effects on soil while increasing crop yield. Most fertilizers introduce heavy metals during the preparation process. Application of fertilizers can result in the addition of heavy metals and other toxic substances to the soil. In the plant growth process, in addition to the need of crop photosynthesis to supply carbon nutrition, after the fertilizer is used, the fertilizer also needs to be manually applied to supply other elements. In addition, most of the fertilizer efficiency of the existing fertilizer is not utilized. Thus increasing agricultural costs, wasting energy and polluting the environment.
Disclosure of Invention
In order to solve the above problems in the prior art, the invention provides the following technical scheme: a plant growth bio-organic fertilizer for nursery stocks comprises the following raw material components:
12-16 parts of humic acid, 6-12 parts of active sludge powder, 6-12 parts of banana peel, 12-16 parts of walnut shell, 12-16 parts of plant ash, 12-16 parts of diatomite, 5-7 parts of vinegar residue, 24-36 parts of sawdust, 12-16 parts of charcoal slag, 24-36 parts of cow and sheep manure, 24-36 parts of crop straw, 12-16 parts of earthworm mud, 5-15 parts of lemon leaf, 6-12 parts of shell, 6-12 parts of sugarcane peel, 12-16 parts of wheat bran, 6-12 parts of vermiculite, 24-36 parts of herb residue, 12-16 parts of peanut shell, 12-16 parts of corn stigma, 12-16 parts of celery leaf, 12-16 parts of towel gourd core, 12-16 parts of peach kernel, 12-16 parts of rice dumpling leaf, 24-36 parts of bean dregs, 12-16 parts of shaddock peel and 6-12 parts of spore bacteria or actinomycetes.
Preferably, the raw material components include:
15 parts of humic acid, 10 parts of active sludge powder, 10 parts of banana peel, 15 parts of walnut shell, 15 parts of plant ash, 15 parts of diatomite, 6 parts of vinegar residue, 30 parts of sawdust, 15 parts of charcoal residue, 30 parts of cow and sheep manure, 30 parts of crop straw, 15 parts of wormcast, 10 parts of lemon leaf, 10 parts of shell, 10 parts of sugarcane peel, 15 parts of wheat bran, 10 parts of vermiculite, 30 parts of residue, 15 parts of peanut shell, 15 parts of corn stigma, 15 parts of celery leaf, 15 parts of towel gourd core, 15 parts of peach kernel, 15 parts of rice dumpling leaf, 30 parts of bean residue, 15 parts of shaddock peel and 10 parts of spore bacteria or actinomycetes.
Preferably, the bio-organic fertilizer is of a solid or liquid type.
The invention also provides a preparation method of the biological organic fertilizer for the growth of the plants for the seedlings, which comprises the following steps:
(1) screening and picking the raw materials, and weighing to obtain a basic ingredient;
(2) airing the basic ingredients to obtain substitute processing ingredients;
(3) crushing the solid material of the substitute processing ingredient to obtain a crushed solid fertilizer; and adding water into the crushed solid fertilizer, and uniformly stirring to prepare a liquid fertilizer, thus obtaining the bio-organic fertilizer for the growth of the plants for the seedlings.
Further, in the step (1), the selected particle size is the particle size with the particle size of 10-110 meshes.
Further, in the step (3), the solid-liquid mass ratio is 10 (1-2), and the particle size of the crushed raw material is 20-100 meshes.
Further, in the step (3), the moisture is non-organic moisture; the mass ratio of the crushed solid fertilizer to the non-organic matter moisture is (3-5) to 1; the mass of each barrel of liquid fertilizer is 0.1 ton to 0.3 ton.
Further, the method comprises the following steps: (1) removing impurities from the raw materials, classifying, adding water, soaking, adding acid for decomposition, then keeping the temperature, sealing, and stirring to obtain a liquid;
(2) and hermetically packaging the liquid to obtain the bio-organic fertilizer for the growth of the plants for the seedlings. Further, in the step (1), the mass ratio of the raw materials to the water is 1 (2-4), and the soaking time is 1-3 h; adding acid for decomposing for 3-7 days; the heat preservation and sealing time is 10-20 days; the stirring was carried out at a speed of 30-50 rpm.
Further, in the step (2), the temperature is 10-45 ℃ during sealing.
The action of the raw materials of the present invention will be briefly described below.
The biological organic fertilizer for the plant growth for the nursery stock realizes scientific compatibility, remarkable fertilizer effect, quick effect, no toxic or side effect, simple and easy preparation method, mild condition, good stability and easy popularization through the integral components and formula, and is specifically realized through the integral coordination and matching of the following components, such as humic acid, animal and plant remains, mainly remains of plants, organic substances caused and accumulated through the decomposition and transformation of microorganisms and a series of processes of geochemistry. The active sludge powder contains a large amount of small molecular organic matters and beneficial bacteria required by soil. The banana peel is rich in protein, fat, sugar and more than ten elements such as K, Ca, Mg, S, Fe, Zn and the like, and can be used as a potential multifunctional fertilizer. The walnut shells improve the void degree of the soil and increase the oxygen content of the soil. Diatomaceous earth, containing a large amount of mineral elements. The vinegar residue contains decomposed organic acid and beneficial microorganism. Sawdust is used to increase the softness of soil. Cow and sheep manures and organic fertilizers contain a large amount of organic matters and effective bacteria. The earthworm mud contains decomposition enzyme of substances which are easy to be absorbed by plants and a large amount of elements which are easy to be absorbed. Lemon leaves, containing immune substances to prevent plant diseases. Shells, which can improve the hardness of soil. Vermiculite, improving the capability of supplying effective elements of soil. Peach kernel, semen Persicae provides the amino acids needed for soil. The rice dumpling leaf makes the soil have viscosity. The bean dregs provide easily absorbed organic matters and mineral substances. Shaddock peel, controlling soil harmful elements. Spore or actinomycete, one of the most important species in soil. After the organic fertilizer is used, most elements are utilized by roots, so that the organic fertilizer has high fertility, can change the carbon structure of soil and efficiently supply carbon nutrition to plants, can reduce environmental pollution, and has wide application in the field of organic fertilizers.
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.
Example 1
The embodiment provides a biological organic fertilizer for plant growth for nursery stock, which comprises the following raw material components:
12kg of humic acid, 6kg of active sludge powder, 6kg of banana peel, 12kg of walnut shell, 12kg of plant ash, 12kg of diatomite, 5kg of vinegar residue, 24kg of sawdust, 12kg of charcoal residue, 24kg of cow and sheep manure, 24kg of crop straw, 12kg of earthworm mud, 5kg of lemon leaf, 6kg of shell, 6kg of sugarcane peel, 12kg of wheat bran, 6kg of vermiculite, 24kg of herb residue, 12kg of peanut shell, 12kg of corn stigma, 12kg of celery leaf, 12kg of towel gourd core, 12kg of peach kernel, 12kg of rice dumpling leaf, 24kg of bean residue, 12kg of shaddock peel and 6kg of spore bacteria or actinomycetes.
The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks comprises the following steps:
(1) screening and selecting the raw materials, sorting and selecting the raw materials with the grain size of 520 meshes, and uniformly stirring the raw materials to obtain a basic ingredient;
(2) drying the basic ingredients to reduce water content into solid to obtain processing ingredients;
(3) crushing the solid material of the substitute processing ingredient to obtain a crushed solid fertilizer with the particle size of 20 meshes; adding 1/3 mass of non-organic matter water into the crushed solid fertilizer, uniformly stirring, and preparing into 0.1kg of liquid fertilizer per barrel to obtain the biological organic fertilizer for the growth of the plants for the seedlings.
Example 2
The embodiment provides a biological organic fertilizer for plant growth for nursery stock, which comprises the following raw material components:
16kg of humic acid, 12kg of active sludge powder, 12kg of banana peel, 16kg of walnut shell, 16kg of plant ash, 16kg of diatomite, 7kg of vinegar residue, 36kg of sawdust, 16kg of charcoal residue, 36kg of cow and sheep manure, 36kg of crop straw, 16kg of earthworm mud, 15kg of lemon leaf, 12kg of shell, 12kg of sugarcane peel, 16kg of wheat bran, 12kg of vermiculite, 36kg of herb residue, 16kg of peanut shell, 16kg of corn stigma, 16kg of celery leaf, 16kg of towel gourd core, 16kg of peach kernel, 16kg of rice dumpling leaf, 36kg of bean residue, 16kg of shaddock peel and 12kg of spore bacteria or actinomycetes.
The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks comprises the following steps:
(1) screening and selecting the raw materials, sorting and selecting 63-mesh particle sizes, and uniformly stirring to obtain basic ingredients;
(2) drying the basic ingredients to reduce water content into solid to obtain processing ingredients;
(3) crushing the solid material of the substitute processing ingredient to a particle size of 100 meshes to obtain a crushed solid fertilizer; adding non-organic matter water into the crushed solid fertilizer, wherein the mass ratio of solid to liquid is 10:2, uniformly stirring, and preparing a liquid fertilizer with the weight of 0.3kg per barrel to obtain the biological organic fertilizer for the growth of the plants for the seedlings.
Example 3
The embodiment provides a biological organic fertilizer for plant growth for nursery stock, which comprises the following raw material components:
15kg of humic acid, 10kg of active sludge powder, 10kg of banana peel, 15kg of walnut shell, 15kg of plant ash, 15kg of diatomite, 6kg of vinegar residue, 30kg of sawdust, 15kg of charcoal residue, 30kg of cow and sheep manure, 30kg of crop straw, 15kg of earthworm mud, 10kg of lemon leaf, 10kg of shell, 10kg of sugarcane peel, 15kg of wheat bran, 10kg of vermiculite, 30kg of herb residue, 15kg of peanut shell, 15kg of corn stigma, 15kg of celery leaf, 15kg of towel gourd core, 15kg of peach kernel, 15kg of rice dumpling leaf, 30kg of bean residue, 15kg of shaddock peel and 10kg of spore bacteria or actinomycetes.
The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks comprises the following steps:
(1) screening and selecting the raw materials, sorting and selecting the raw materials with the particle size of 60 meshes, and uniformly stirring to obtain a basic ingredient;
(2) drying the basic ingredients to reduce water content into solid to obtain processing ingredients;
(3) crushing the solid material of the substitute processing ingredient to obtain a crushed solid fertilizer with the particle size of 60 meshes; adding non-organic matter water into the crushed solid fertilizer, wherein the mass ratio of solid to liquid is 20:3, uniformly stirring, and preparing a liquid fertilizer with the weight of 0.2kg per barrel to obtain the biological organic fertilizer for the growth of the plants for the seedlings.
Example 4
The embodiment provides a biological organic fertilizer for plant growth for nursery stock, which comprises the following raw material components:
12kg of humic acid, 6kg of active sludge powder, 6kg of banana peel, 12kg of walnut shell, 12kg of plant ash, 12kg of diatomite, 5kg of vinegar residue, 24kg of sawdust, 12kg of charcoal residue, 24kg of cow and sheep manure, 24kg of crop straw, 12kg of earthworm mud, 5kg of lemon leaf, 6kg of shell, 6kg of sugarcane peel, 12kg of wheat bran, 6kg of vermiculite, 24kg of herb residue, 12kg of peanut shell, 12kg of corn stigma, 12kg of celery leaf, 12kg of towel gourd core, 12kg of peach kernel, 12kg of rice dumpling leaf, 24kg of bean residue, 12kg of shaddock peel and 6kg of spore bacteria or actinomycetes.
The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks comprises the following steps:
(1) removing impurities from the raw materials, classifying, adding 2 times of purified water by mass, soaking for 1h, adding acid for decomposition for 3 days, then keeping the temperature and sealing for 15 days, and stirring at a rotating speed of 30 to obtain liquid;
(2) and hermetically packaging the liquid at the temperature of 10 ℃ to obtain the bio-organic fertilizer for the growth of the plants for the seedlings.
Example 5
The embodiment provides a biological organic fertilizer for plant growth for nursery stock, which comprises the following raw material components:
16kg of humic acid, 12kg of active sludge powder, 12kg of banana peel, 16kg of walnut shell, 16kg of plant ash, 16kg of diatomite, 7kg of vinegar residue, 36kg of sawdust, 16kg of charcoal residue, 36kg of cow and sheep manure, 36kg of crop straw, 16kg of earthworm mud, 15kg of lemon leaf, 12kg of shell, 12kg of sugarcane peel, 16kg of wheat bran, 12kg of vermiculite, 36kg of herb residue, 16kg of peanut shell, 16kg of corn stigma, 16kg of celery leaf, 16kg of towel gourd core, 16kg of peach kernel, 16kg of rice dumpling leaf, 36kg of bean residue, 16kg of shaddock peel and 12kg of spore bacteria or actinomycetes.
The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks comprises the following steps:
(1) removing impurities from the raw materials, classifying, adding purified water with the mass of 4 times of that of the raw materials, soaking for 3 hours, adding acid for decomposition for 7 days, then keeping the temperature and sealing for 10 days, and stirring at a rotating speed of 50 to obtain liquid;
(2) and hermetically packaging the liquid at the temperature of 45 ℃ to obtain the bio-organic fertilizer for the growth of the plants for the seedlings.
Example 6
The embodiment provides a biological organic fertilizer for plant growth for nursery stock, which comprises the following raw material components:
15kg of humic acid, 10kg of active sludge powder, 10kg of banana peel, 15kg of walnut shell, 15kg of plant ash, 15kg of diatomite, 6kg of vinegar residue, 30kg of sawdust, 15kg of charcoal residue, 30kg of cow and sheep manure, 30kg of crop straw, 15kg of earthworm mud, 10kg of lemon leaf, 10kg of shell, 10kg of sugarcane peel, 15kg of wheat bran, 10kg of vermiculite, 30kg of herb residue, 15kg of peanut shell, 15kg of corn stigma, 15kg of celery leaf, 15kg of towel gourd core, 15kg of peach kernel, 15kg of rice dumpling leaf, 30kg of bean residue, 15kg of shaddock peel and 10kg of spore bacteria or actinomycetes.
The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks comprises the following steps:
(1) removing impurities from the raw materials, classifying, adding purified water with the mass of 3 times of that of the raw materials, soaking for 2 hours, adding acid for decomposition for 5 days, then keeping the temperature and sealing for 20 days, and stirring at a rotating speed of 50 to obtain liquid;
(2) and hermetically packaging the liquid at the temperature of 40 ℃ to obtain the bio-organic fertilizer for the growth of the plants for the seedlings.
Examples of the experiments
The effect test was performed on the bio-organic fertilizer for plant growth for nursery stock obtained in example 3.
The fertilizer obtained in example 3 was added to 3 apple seedling experimental fields of 3 square meters in an amount of 20kg per square meter, and simultaneously 3 experimental fields of 3 square meters to which the existing fertilizer was added under the same conditions were used for comparison, the growth amount of the seedlings, the contents of nitrogen, phosphorus and potassium in the roots of the seedlings, the organic acid and the activity of the strain in the soil were tested after 2 years, the percentage of increase before and after the addition of the contents was calculated and compared with the experimental fields, 3 experimental fields were tested each 3 times and then averaged, 3 comparative fields were tested each 3 times and then averaged, and the specific results are shown in table 1.
TABLE 1
As can be seen from Table 1, the bio-organic fertilizer for nursery stock plant growth of the invention increases the growth amount of apple plants to a large extent, and simultaneously increases a large amount of plant growth elements, has good fertilizer efficiency, and the growth percentage is 29%, and fully proves that the elements of the invention obtain good utilization rate, as can be seen from Table 1, the fertilizer is used, and most elements are not absorbed and utilized by the nursery stock roots, so the promotion rate of most elements of the fertilizer is negative. Therefore, the agricultural cost is increased, the energy is wasted, and the environment is polluted, but after the organic fertilizer is used, most elements are utilized by roots, so that the organic fertilizer not only has high-efficiency fertility, but also can change the carbon structure of soil and efficiently supply carbon nutrition to plants, and can reduce the environmental pollution.
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 (10)
1. The plant-growing bio-organic fertilizer for nursery stocks is characterized by comprising the following raw material components: 12-16 parts of humic acid, 6-12 parts of active sludge powder, 6-12 parts of banana peel, 12-16 parts of walnut shell, 12-16 parts of plant ash, 12-16 parts of diatomite, 5-7 parts of vinegar residue, 24-36 parts of sawdust, 12-16 parts of charcoal slag, 24-36 parts of cow and sheep manure, 24-36 parts of crop straw, 12-16 parts of earthworm mud, 5-15 parts of lemon leaf, 6-12 parts of shell, 6-12 parts of sugarcane peel, 12-16 parts of wheat bran, 6-12 parts of vermiculite, 24-36 parts of herb residue, 12-16 parts of peanut shell, 12-16 parts of corn stigma, 12-16 parts of celery leaf, 12-16 parts of towel gourd core, 12-16 parts of peach kernel, 12-16 parts of rice dumpling leaf, 24-36 parts of bean dregs, 12-16 parts of shaddock peel and 6-12 parts of spore bacteria or actinomycetes.
2. The bio-organic fertilizer for plant growth for nursery stocks according to claim 1, wherein the raw material components comprise: 15 parts of humic acid, 10 parts of active sludge powder, 10 parts of banana peel, 15 parts of walnut shell, 15 parts of plant ash, 15 parts of diatomite, 6 parts of vinegar residue, 30 parts of sawdust, 15 parts of charcoal residue, 30 parts of cow and sheep manure, 30 parts of crop straw, 15 parts of earthworm mud, 10 parts of lemon leaf, 10 parts of shell, 10 parts of sugarcane peel, 15 parts of wheat bran, 10 parts of vermiculite, 30 parts of residue, 15 parts of peanut shell, 15 parts of corn stigma, 15 parts of celery leaf, 15 parts of towel gourd core, 15 parts of peach kernel, 15 parts of rice dumpling leaf, 30 parts of bean residue, 15 parts of shaddock peel and 10 parts of spore or actinomycetes.
3. The bio-organic fertilizer for plant growth for nursery stocks according to any one of claims 1-2, wherein the type of the bio-organic fertilizer is solid or liquid.
4. A method for preparing a bio-organic fertilizer for plant growth for nursery stocks as claimed in any one of claims 1-3, which comprises the following steps:
(1) screening and picking the raw materials, and weighing to obtain a basic ingredient;
(2) airing the basic ingredients to obtain substitute processing ingredients;
(3) crushing the solid material of the substitute processing ingredient to obtain a crushed solid fertilizer; and adding water into the crushed solid fertilizer, and uniformly stirring to prepare a liquid fertilizer, thus obtaining the bio-organic fertilizer for the growth of the plants for the seedlings.
5. The method for preparing the bio-organic fertilizer for the growth of plants for nursery stocks according to claim 4, wherein the selected particle size in the step (1) is the particle size with the particle size of 10-110 meshes.
6. The preparation method of the bio-organic fertilizer for plant growth for nursery stocks according to claim 5, wherein in the step (3), the solid-liquid mass ratio is 10 (1-2), and the particle size of the crushed raw materials is 20-100 meshes.
7. The method for preparing a bio-organic fertilizer for plant growth for nursery stocks according to claim 6, wherein in the step (3), the water is non-organic moisture; the mass ratio of the crushed solid fertilizer to the non-organic matter moisture is (3-5) to 1; the mass of each barrel of liquid fertilizer is 0.1 ton to 0.3 ton.
8. A method for preparing a bio-organic fertilizer for plant growth for nursery stock as described in any one of claims 1 to 3, comprising the following steps:
(1) removing impurities from the raw materials, classifying, adding water, soaking, adding acid for decomposition, then keeping the temperature, sealing, and stirring to obtain a liquid;
(2) and hermetically packaging the liquid to obtain the bio-organic fertilizer for the growth of the plants for the seedlings.
9. The preparation method of the bio-organic fertilizer for the growth of plants for nursery stocks according to claim 8, wherein in the step (1), the mass ratio of the raw materials to the water is 1 (2-4), and the soaking time is 1-3 h; adding acid for decomposing for 3-7 days; the heat preservation and sealing time is 10-20 days; the stirring was carried out at a speed of 30-50 rpm.
10. The method for preparing a bio-organic fertilizer for plant growth for nursery stocks according to claim 9, wherein in the step (2), the sealing temperature is 10-45 ℃.
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| CN111919710A (en) * | 2020-08-24 | 2020-11-13 | 浙江省柑桔研究所 | Citrus garden soil improvement matrix and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110498697A (en) * | 2019-09-24 | 2019-11-26 | 韦国安 | One cultivates peanut bio-organic fertilizer special and its production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110498697A (en) * | 2019-09-24 | 2019-11-26 | 韦国安 | One cultivates peanut bio-organic fertilizer special and its production method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111919710A (en) * | 2020-08-24 | 2020-11-13 | 浙江省柑桔研究所 | Citrus garden soil improvement matrix and preparation method and application thereof |
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