Organic fertilizer prepared from lincomycin fungus residue stage additives

Abstract

The invention provides an organic fertilizer prepared from lincomycin fungus residue stage additives, and belongs to the technical field of fertilizers, and the organic fertilizer prepared from lincomycin fungus residue stage additives comprises the following components: crop straws, sludge, heat-conducting porous mineral powder, pretreated lincomycin fungus residues and a zymophyte suspension. The lincomycin mushroom dreg stage additive prepared organic fertilizer is rich in nutrition, can improve the soil environment and promote growth, and effectively improves the germination rate and the plant growth speed in the persimmon cultivation process.

Description

Technical Field

[0001] The invention belongs to the technical field of fertilizers, and in particular relates to an organic fertilizer prepared from lincomycin residue stage additives. Background Art

[0002] Persimmon is rich in carotene, VC, glucose, fructose, calcium, potassium and other minerals. It is a food with high nutritional value and is known as "woody grain" and "hardcore crop".

[0003] Persimmon is an important economic fruit tree, and its life span can be as long as 100 years. Sludge contains a large amount of main nutrients needed for the growth of persimmon trees, and about 50% of its solid part is organic matter, which has a significant improvement effect on the physical, chemical and biological properties of the soil. Using sludge as fertilizer is a way to turn waste into treasure. However, sludge has poor permeability and is prone to soil compaction, causing a variety of diseases. Persimmons are prone to low germination rates and long growth cycles during cultivation. In recent years, with the annual expansion of persimmon cultivation area in my country, these problems have received more and more attention.

[0004] Therefore, it is of great significance to explore an organic fertilizer that is rich in nutrients and can effectively improve the germination rate and growth rate of persimmon cultivation. Summary of the invention

[0005] In order to solve the problems existing in the background technology, the present invention provides an organic fertilizer prepared by using lincomycin residue stage additives.

[0006] In order to achieve the above object, the present invention provides the following technical solutions: An organic fertilizer prepared from additives in the lincomycin residue stage comprises the following components by weight: 60-70 parts of crop straw, 30-40 parts of sludge, 1.8-2.2 parts of thermally conductive porous mineral powder, 5-10 parts of pretreated lincomycin residue and 0.4-0.6 parts of fermentation bacteria suspension.

[0007] Preferably, the process of pre-treating lincomycin residue is as follows: (1) Add 1-2 parts of chitosan to 10-20 parts of 10% glacial acetic acid aqueous solution, stir to dissolve, then add 0.2-0.3 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 200-300 r / min for 0.5-1 h, and let it stand for 1-2 h after stirring to obtain a pretreated lincomycin residue.

[0008] Preferably, the preparation of the thermally conductive porous mineral powder includes the following steps: 1. According to weight, weigh 100 parts of mineral powder and 1-2 parts of graphite, mix them evenly to obtain a mixed powder; 2. Weigh 0.1-0.2 parts of sodium dodecyl sulfate and 0.03-0.05 parts of dextrin powder, add 2-3 parts of water, heat to 60-80°C, stir for 0.5-1h, and obtain a bonding solution; 3. Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.2-0.4 parts of 20-30% hydrogen peroxide solution by mass, stir for 5-15 minutes, and obtain a molding material; 4. The molding material obtained in step 4 is dried at 30-40°C for 12-18h, then calcined in a muffle furnace at 400-500°C for 2-3h, cooled to room temperature, crushed, and sieved through a 40-100 mesh sieve to obtain a thermally conductive porous mineral powder.

[0009] Preferably, the organic fertilizer prepared by adding lincomycin residue stage additives is prepared by the following steps: S1. The crop straw is subjected to high temperature sterilization treatment, the sterilization temperature is set to 85-100°C, the sterilization time is 0.5-1h, cooled to room temperature, drained, dried, and crushed to a particle size range of 0.1-1mm to obtain straw powder; S2, take the sludge produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, then add the fermentation bacteria suspension, mix evenly, pile the materials in a strip-shaped fermentation pile for fermentation, when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 2-3 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 2-3 days after turning the pile; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 2-4 days, fermentation is complete, granulation is performed, and a secondary fermentation product is obtained; S4. Under stirring conditions, the coating solution is uniformly sprayed into the secondary fermentation product of step S3, and the product is dried to obtain an organic fertilizer made from lincomycin residue stage additives.

[0010] Preferably, the crop straw is wheat straw or rice straw, or a mixture of the two.

[0011] Preferably, the moisture content of the sludge in step S2 is 55-65%.

[0012] Preferably, the mineral powder in step S2 consists of a mixture of montmorillonite and perlite.

[0013] Preferably, the mineral powder in step S2 is composed of montmorillonite and perlite mixed in a mass ratio of 1:1.

[0014] Preferably, the fermentation bacteria in the fermentation bacteria suspension in step S2 are a mixed strain of Azotobacter rotundifolia, Bacillus subtilis and Streptomyces tenuifolius.

[0015] Preferably, the fermentation bacteria in the fermentation bacteria suspension in step S2 are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and tenuiflavour Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is ≥1×10 7 / ml.

[0016] Preferably, the coating solution in step S4 is prepared by mixing carboxymethyl cellulose with 1-5 wt % acetic acid solution.

[0017] This application has the following beneficial effects: 1. Thermally conductive porous mineral powder is light in weight, pollution-free, has high porosity and water absorption, has strong adsorption and exchange effects, can retain water and moisture, improve soil permeability and water content, and has thermal conductivity, overcoming the disadvantage of poor thermal conductivity of porous powder. During the fermentation process, it can evenly diffuse heat in time, improve fermentation quality and fertilizer efficiency, and increase plant growth rate.

[0018] 2. By adding mixed bacteria to ferment sludge and straw, it has the functions of solubilizing phosphorus, potassium and fixing nitrogen. The lincomycin residue is coated with chitosan, which can antagonize pathogens, play an antibacterial role in fermentation, prevent the generation of harmful bacteria, avoid contamination of fermentation products, and effectively improve the seed germination rate.

[0019] 3. Through the use of thermally conductive porous mineral powder and pretreated lincomycin residue, the thermally conductive porous mineral powder can have higher thermal conductivity and porosity, which is helpful for the distribution of lincomycin residue and improves the antibacterial effect of lincomycin residue on sludge during fermentation. At the same time, the porous structure can have a sustained release effect, prolong the antibacterial effect time of lincomycin residue, effectively purify the fermentation product, and significantly promote the seed germination rate. DETAILED DESCRIPTION

[0020] The present application is further described in detail below with reference to the embodiments.

[0021] Unless otherwise specified, the raw materials used in the examples and comparative examples of the present application are all commercially available.

[0022] Example 1 The invention discloses an organic fertilizer prepared from additives in the lincomycin residue stage. The organic fertilizer prepared from additives in the lincomycin residue stage comprises the following components by weight: 65 parts of crop straws, 35 parts of sludge, 2.0 parts of thermally conductive porous mineral powder, 7.5 parts of pretreated lincomycin residues and 0.5 parts of fermented bacterial suspension, wherein the crop straws are wheat straws.

[0023] The processing process of the pre-treated lincomycin slag is as follows: (1) Add 1.5 parts of chitosan to 15 parts of a 10% glacial acetic acid aqueous solution, stir to dissolve, then add 0.25 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 240 r / min for 1 h, and then let it stand for 2 h to obtain a pretreated lincomycin residue; The preparation of the thermally conductive porous mineral powder includes the following contents: 1. According to weight, weigh 100 parts of mineral powder and 1.5 parts of graphite, mix them evenly to obtain a mixed powder, wherein the mineral powder is composed of montmorillonite and perlite mixed in a mass ratio of 1:1; 2. Weigh 0.15 parts of sodium dodecyl sulfate and 0.04 parts of dextrin powder, add to 2.5 parts of water, heat to 70°C, and stir for 1 hour to obtain a bonding solution; 3. Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.3 parts of 25% hydrogen peroxide solution by mass, stir for 10 minutes, and obtain a molding material; 4. The molding material obtained in step 4 was dried at 35°C for 15 hours, then calcined in a muffle furnace at 450°C for 2.5 hours, cooled to room temperature, crushed, and passed through a 70-mesh sieve to obtain a thermally conductive porous mineral powder; The lincomycin residue stage additive-made organic fertilizer is prepared by the following steps: S1. The crop straw is subjected to high temperature sterilization treatment, the sterilization temperature is set to 95°C, the sterilization time is 0.5h, cooled to room temperature, drained, dried, and crushed to a particle size range of 0.1-1mm to obtain straw powder; S2. Take the sludge with a moisture content of 60% produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, and then add the fermentation bacteria suspension, mix well, pile the materials in a strip-shaped fermentation pile for fermentation, and when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 2 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 2 days after turning the pile, and the fermentation bacteria in the fermentation bacteria suspension are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and fine yellow Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is 2.5×10 7 / ml, purchased from China General Microbiological Culture Collection Administration Center; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 3 days, fermentation is complete, granulating, and obtaining a secondary fermentation product; S4, preparing a coating solution with 3wt% acetic acid solution of carboxymethyl cellulose, wherein the mass ratio of carboxymethyl cellulose to acetic acid solution is 1:100, and spraying the coating solution evenly into the secondary fermentation product of step S3 under stirring, and drying to obtain an organic fertilizer made from lincomycin residue stage additives.

[0024] Example 2 The invention discloses an organic fertilizer prepared from an additive in the lincomycin residue stage. The organic fertilizer prepared from the additive in the lincomycin residue stage comprises the following components by weight: 60 parts of crop straws, 40 parts of sludge, 2.0 parts of thermally conductive porous mineral powder, 7 parts of pretreated lincomycin residues and 0.5 parts of fermented bacterial suspension, wherein the crop straws are rice straws.

[0025] The processing process of the pre-treated lincomycin slag is as follows: (1) Add 2 parts of chitosan to 20 parts of 10% glacial acetic acid aqueous solution, stir to dissolve, then add 0.25 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 300 r / min for 0.5 h, and then let it stand for 2 h to obtain a pretreated lincomycin residue.

[0026] The preparation of the thermally conductive porous mineral powder includes the following contents: 1. According to weight, 100 parts of mineral powder and 1 part of graphite are weighed and mixed evenly to obtain a mixed powder, wherein the mineral powder is composed of montmorillonite and perlite mixed in a mass ratio of 1:1; 2. Weigh 0.15 parts of sodium dodecyl sulfate and 0.05 parts of dextrin powder, add to 3 parts of water, heat to 60°C, and stir for 1 hour to obtain a bonding solution; 3. Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.2 parts of 25% hydrogen peroxide solution by mass, stir for 10 minutes, and obtain a molding material; 4. The molding material obtained in step 4 was dried at 30°C for 18 hours, then calcined in a 500°C muffle furnace for 2 hours, cooled to room temperature, crushed, and passed through a 60-mesh sieve to obtain a thermally conductive porous mineral powder.

[0027] The lincomycin residue stage additive-made organic fertilizer is prepared by the following steps: S1. The crop straw is subjected to high temperature sterilization treatment, the sterilization temperature is set to 85°C, the sterilization time is 1 hour, cooled to room temperature, drained, dried, and crushed to a particle size range of 0.1-1 mm to obtain straw powder; S2. Take the sludge with a moisture content of 60% produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, and then add the fermentation bacteria suspension, mix well, pile the materials in a strip-shaped fermentation pile for fermentation, and when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 2 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 2 days after turning the pile, and the fermentation bacteria in the fermentation bacteria suspension are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and fine yellow Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is 1.8×10 7 / ml, purchased from China General Microbiological Culture Collection Administration Center. ; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 3 days, fermentation is complete, granulating, and obtaining a secondary fermentation product; S4, preparing a coating solution with 4wt% acetic acid solution of carboxymethyl cellulose, wherein the mass ratio of carboxymethyl cellulose to acetic acid solution is 1:100, and spraying the coating solution evenly into the secondary fermentation product of step S3 under stirring, and drying to obtain an organic fertilizer made from lincomycin residue stage additives.

[0028] Example 3 The invention discloses an organic fertilizer prepared from an additive in the lincomycin residue stage. The organic fertilizer prepared from the additive in the lincomycin residue stage comprises the following components by weight: 70 parts of crop straws, 30 parts of sludge, 1.8 parts of thermally conductive porous mineral powders, 10 parts of pretreated lincomycin residues and 0.4 parts of fermented bacterial suspension, wherein the crop straws are rice straws.

[0029] The processing process of the pre-treated lincomycin slag is as follows: (1) Add 1 part of chitosan to 10 parts of 10% glacial acetic acid aqueous solution, stir to dissolve, then add 0.2 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 300 r / min for 0.5 h, and then let it stand for 1 h to obtain a pretreated lincomycin residue.

[0030] The preparation of the thermally conductive porous mineral powder includes the following contents: 1. According to weight, 100 parts of mineral powder and 1 part of graphite are weighed and mixed evenly to obtain a mixed powder, wherein the mineral powder is composed of montmorillonite and perlite mixed in a mass ratio of 1:1; 2. Weigh 0.1 parts of sodium dodecyl sulfate and 0.03 parts of dextrin powder, add to 2 parts of water, heat to 60°C, and stir for 1 hour to obtain a bonding solution; 3. Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.2 parts of 30% hydrogen peroxide solution by mass, stir for 15 minutes, and obtain a molding material; 4. The molding material obtained in step 4 was dried at 40°C for 12 hours, then calcined in a muffle furnace at 400°C for 3 hours, cooled to room temperature, crushed, and passed through a 60-mesh sieve to obtain a thermally conductive porous mineral powder.

[0031] The lincomycin residue stage additive-made organic fertilizer is prepared by the following steps: S1. Sterilize the crop straw at high temperature, the sterilization temperature is set to 90°C, the sterilization time is 1 hour, cool to room temperature, drain, dry, and grind to a particle size range of 0.1-1 mm to obtain straw powder; S2. Take the sludge with a moisture content of 55% produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, and then add the fermentation bacteria suspension, mix well, pile the materials in a strip-shaped fermentation pile for fermentation, and when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 3 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 3 days after turning the pile, and the fermentation bacteria in the fermentation bacteria suspension are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and fine yellow Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is 2.8×10 7 / ml, purchased from China General Microbiological Culture Collection Administration Center. ; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 2 days, fermentation is complete, granulating, and obtaining a secondary fermentation product; S4, preparing a coating solution with 1wt% acetic acid solution of carboxymethyl cellulose, wherein the mass ratio of carboxymethyl cellulose to acetic acid solution is 1:100, and spraying the coating solution evenly into the secondary fermentation product of step S3 under stirring, and drying to obtain an organic fertilizer made from lincomycin residue stage additives.

[0032] Example 4 The invention discloses an organic fertilizer prepared from an additive in the lincomycin residue stage. The organic fertilizer prepared from the additive in the lincomycin residue stage comprises the following components by weight: 60 parts of crop straws, 40 parts of sludge, 2.2 parts of thermally conductive porous mineral powders, 10 parts of pretreated lincomycin residues and 0.6 parts of fermented bacterial suspension. The crop straws are a mixture of wheat straws and rice straws in a mass ratio of 1:1.

[0033] The processing process of the pre-treated lincomycin slag is as follows: (1) Add 2 parts of chitosan to 20 parts of 10% glacial acetic acid aqueous solution, stir to dissolve, then add 0.3 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 200 r / min for 1 h, and then let it stand for 2 h to obtain a pretreated lincomycin residue.

[0034] The preparation of the thermally conductive porous mineral powder includes the following contents: 1. According to weight, weigh 100 parts of mineral powder and 2 parts of graphite, mix them evenly to obtain a mixed powder, wherein the mineral powder is composed of montmorillonite and perlite mixed in a mass ratio of 1:1; 2. Weigh 0.2 parts of sodium dodecyl sulfate and 0.05 parts of dextrin powder, add to 3 parts of water, heat to 80°C, and stir for 0.5h to obtain a bonding solution; 3. Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.4 parts of 20% hydrogen peroxide solution by mass, stir for 15 minutes, and obtain a molding material; 4. The molding material obtained in step 4 was dried at 30°C for 18 hours, then calcined in a muffle furnace at 500°C for 2 hours, cooled to room temperature, crushed, and passed through a 40-mesh sieve to obtain a thermally conductive porous mineral powder.

[0035] The lincomycin residue stage additive-made organic fertilizer is prepared by the following steps: S1. The crop straw is subjected to high temperature sterilization treatment, the sterilization temperature is set to 85°C, the sterilization time is 1 hour, cooled to room temperature, drained, dried, and crushed to a particle size range of 0.1-1 mm to obtain straw powder; S2. Take the sludge with a moisture content of 65% produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, and then add the fermentation bacteria suspension, mix well, pile the materials in a strip-shaped fermentation pile for fermentation, and when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 2 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 2 days after turning the pile, and the fermentation bacteria in the fermentation bacteria suspension are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and fine yellow Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is 3.1×10 7 / ml, purchased from China General Microbiological Culture Collection Administration Center. ; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 4 days, fermentation is complete, granulating, and obtaining a secondary fermentation product; S4, preparing a coating solution with 5wt% acetic acid solution of carboxymethyl cellulose, wherein the mass ratio of carboxymethyl cellulose to acetic acid solution is 1:100, and spraying the coating solution evenly into the secondary fermentation product of step S3 under stirring, and drying to obtain an organic fertilizer made from lincomycin residue stage additives.

[0036] Example 5 The invention discloses an organic fertilizer prepared from additives in the lincomycin residue stage. The organic fertilizer prepared from additives in the lincomycin residue stage comprises the following components by weight: 62 parts of crop straws, 38 parts of sludge, 2.0 parts of thermally conductive porous mineral powder, 7 parts of pretreated lincomycin residues and 0.6 parts of fermented bacterial suspension, wherein the crop straws are rice straws.

[0037] The processing process of the pre-treated lincomycin slag is as follows: (1) Add 1 part of chitosan to 15 parts of 10% glacial acetic acid aqueous solution, stir to dissolve, then add 0.25 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 300 r / min for 0.5 h, and then let it stand for 1 h to obtain a pretreated lincomycin residue.

[0038] The preparation of the thermally conductive porous mineral powder includes the following contents: 1. According to weight, weigh 100 parts of mineral powder and 1.5 parts of graphite, mix them evenly to obtain a mixed powder, wherein the mineral powder is composed of montmorillonite and perlite mixed in a mass ratio of 1:1; 2. Weigh 0.15 parts of sodium dodecyl sulfate and 0.05 parts of dextrin powder, add to 3 parts of water, heat to 80°C, and stir for 0.5h to obtain a bonding solution; 3. Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.2 parts of 30% hydrogen peroxide solution by mass, stir for 10 minutes, and obtain a molding material; 4. The molding material obtained in step 4 was dried at 40°C for 15 hours, then calcined in a muffle furnace at 400°C for 3 hours, cooled to room temperature, crushed, and passed through a 100-mesh sieve to obtain a thermally conductive porous mineral powder.

[0039] The lincomycin residue stage additive-made organic fertilizer is prepared by the following steps: S1. The crop straw is subjected to high temperature sterilization treatment, the sterilization temperature is set to 100° C., the sterilization time is 0.5 h, cooled to room temperature, drained, dried, and crushed to a particle size range of 0.1-1 mm to obtain straw powder; S2. Take the sludge with a moisture content of 65% produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, and then add the fermentation bacteria suspension, mix well, pile the materials in a strip-shaped fermentation pile for fermentation, and when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 3 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 3 days after turning the pile, and the fermentation bacteria in the fermentation bacteria suspension are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and fine yellow Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is 1.5×10 7 / ml, purchased from China General Microbiological Culture Collection Administration Center. ; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 4 days, fermentation is complete, granulating, and obtaining a secondary fermentation product; S4, preparing a coating solution with 3wt% acetic acid solution of carboxymethyl cellulose, wherein the mass ratio of carboxymethyl cellulose to acetic acid solution is 1:100, and spraying the coating solution evenly into the secondary fermentation product of step S3 under stirring, and drying to obtain an organic fertilizer made from lincomycin residue stage additives.

[0040] Comparative Example 1 The difference between this comparative example and Example 1 is that the pretreated lincomycin residue is replaced by lincomycin residue in the composition of the components of the organic fertilizer prepared by the additive at the lincomycin residue stage.

[0041] Specifically, the organic fertilizer prepared by adding additives in the lincomycin residue stage consists of the following components: 65 parts of crop straw, 35 parts of sludge, 2.0 parts of thermally conductive porous mineral powder, 7.5 parts of lincomycin residue and 0.5 parts of fermentation bacteria suspension.

[0042] Comparative Example 2 The difference between this comparative example and Example 1 is that, in the composition of the organic fertilizer prepared from the additive in the lincomycin residue stage, the thermally conductive porous mineral powder is replaced by mineral powder, that is, the thermally conductive porous mineral powder is replaced by a mixture of montmorillonite and perlite in a mass ratio of 1:1.

[0043] Specifically, the organic fertilizer prepared by adding additives in the lincomycin residue stage consists of the following components: 65 parts of crop straw, 35 parts of sludge, 2.0 parts of mineral powder, 7.5 parts of pretreated lincomycin residue and 0.5 parts of fermentation bacterial suspension, wherein the mineral powder is a mixture of montmorillonite and perlite in a mass ratio of 1:1.

[0044] Comparative Example 3 The difference between this comparative example and Example 1 is that, in the composition of the components of the organic fertilizer prepared by the additive at the lincomycin residue stage, the pretreated lincomycin residue is replaced by lincomycin residue, and the thermally conductive porous mineral powder is replaced by mineral powder.

[0045] Specifically, the organic fertilizer prepared by adding additives in the lincomycin residue stage consists of the following components: 65 parts of crop straw, 35 parts of sludge, 2.0 parts of mineral powder, 7.5 parts of lincomycin residue and 0.5 parts of fermentation bacteria suspension, wherein the mineral powder is a mixture of montmorillonite and perlite in a mass ratio of 1:1.

[0046] Proven results Select persimmon seeds with full grains and similar sizes, soak them in warm water at 30-40°C for two days, and select loose and well-drained soil as the test soil. Spread the soil, expose it to the sun or disinfect it with a disinfectant to kill the germs and eggs in the soil, and mix the soil with the organic fertilizers prepared in Examples 1-5 of the present invention and Comparative Examples 1-3 to obtain doped soil, wherein the amount of organic fertilizer applied is 0.5 kg / square meter, and the seeds are evenly sown into the doped soil by spot sowing, and the thickness of the soil covering is 2 cm. After covering the soil, maintain appropriate humidity and temperature, wherein Comparative Example 4 is a blank control group.

[0047] The germination rate and plant growth rate were calculated, where the germination rate was calculated as follows: germination rate = number of seeds germinated / number of seeds sown × 100%, and the plant growth rate was the plant height in the third month after sowing. The specific results are shown in Table 1.

[0048] Table 1

[0049] Results Analysis By analyzing Examples 1-5 and Comparative Examples 1-4 and combining the data in Table 1, it can be seen that the organic fertilizer prepared by the lincomycin residue stage additive provided by the present invention can effectively improve the germination rate and plant growth rate of persimmon cultivation. The specific analysis is as follows: Compared with Example 1 and Example 1, the germination rate was greatly reduced without pretreatment of the lincomycin residue, indicating that the pretreatment of the lincomycin residue can increase the germination rate in persimmon; Compared with Example 2 and Example 1, the thermally conductive porous mineral powder was replaced with ordinary mineral powder, and the growth rate was greatly reduced, indicating that the thermally conductive porous mineral powder provided by the present invention can increase the growth rate of plants; Comparative Example Compared with Example 3 and Example 1, the lincomycin residue was not pretreated, and the thermally conductive porous mineral powder was replaced with ordinary mineral powder, and the germination rate and growth rate were greatly reduced; It can be seen from the data of Comparative Examples 1-3 and Example 1 that in the system described in the present invention, by combining the pretreated mycotic residue and the thermally conductive porous mineral powder, the two can work together to improve the germination rate of persimmon seeds and the growth rate of the plants. At the same time, the two have a certain synergistic effect, which can greatly improve the germination rate of persimmon seeds.

[0050] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0051] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. An organic fertilizer made from lincomycin residue additives, characterized in that: The organic fertilizer prepared from the additive of lincomycin residue stage is composed of the following components by weight: 60-70 parts of crop straw, 30-40 parts of sludge, 1.8-2.2 parts of thermal conductive porous mineral powder, 5-10 parts of pretreated lincomycin residue and 0.4-0.6 parts of fermentation bacteria suspension.

2. A kind of lincomycin slag stage additive organic fertilizer according to claim 1, it is characterized in that, The preparation process of the pre-treated lincomycin slag is as follows: (1) Add 1-2 parts of chitosan to 10-20 parts of 10% glacial acetic acid aqueous solution by weight, stir to dissolve, then add 0.2-0.3 parts of cyclodextrin, stir well to obtain a mixed solution; (2) Weigh 10 parts of lincomycin residue, add them to the mixed solution of step (1), stir evenly to obtain a mixed solution, add 2% by weight of activated carbon to the mixed solution, stir at a speed of 200-300 r / min for 0.5-1 h, and let it stand for 1-2 h after stirring to obtain a pretreated lincomycin residue.

3. A kind of lincomycin slag stage additive organic fertilizer according to claim 1, it is characterized in that, The preparation of the thermally conductive porous mineral powder includes the following contents: 1). According to weight, weigh 100 parts of mineral powder and 1-2 parts of graphite, mix them evenly to obtain a mixed powder; 2). Weigh 0.1-0.2 parts of sodium dodecyl sulfate and 0.03-0.05 parts of dextrin powder, add 2-3 parts of water, heat to 60-80°C, stir for 0.5-1h, and obtain a bonding liquid; 3). Evenly mix the mixed powder of step 1 and the binder of step 2, then add 0.2-0.4 parts of 20-30% hydrogen peroxide solution by mass, stir for 5-15 minutes, and obtain a molding material; 4). The molding material obtained in step 4 is dried at 30-40°C for 12-18h, then calcined in a muffle furnace at 400-500°C for 2-3h, cooled to room temperature, crushed, and sieved through a 40-100 mesh sieve to obtain a thermally conductive porous mineral powder.

4. According to any one of claims 1 to 3, a lincomycin residue stage additive is used to make an organic fertilizer, characterized in that: The lincomycin residue stage additive-based organic fertilizer is prepared by the following steps: S1. The crop straw is subjected to high temperature sterilization treatment, the sterilization temperature is set to 85-100°C, the sterilization time is 0.5-1h, cooled to room temperature, drained, dried, and crushed to a particle size range of 0.1-1mm to obtain straw powder; S2, take the sludge produced by the sewage treatment plant, adjust the pH to 6-7, add the thermally conductive porous mineral powder thereto, then add the fermentation bacteria suspension, mix evenly, pile the materials in a strip-shaped fermentation pile for fermentation, when the temperature rises to above 50°C, turn the pile, add one-third of the pretreated lincomycin slag, keep it for 2-3 days, turn the pile three times in total, and obtain a fermentation product, wherein one-third of the pretreated lincomycin slag is added each time the pile is turned, and it is kept for 2-3 days after turning the pile; S3, adding straw powder to the primary fermentation product, mixing thoroughly, standing for 2-4 days, fermentation is complete, granulation is performed, and a secondary fermentation product is obtained; S4. Under stirring conditions, the coating solution is uniformly sprayed into the secondary fermentation product of step S3, and the product is dried to obtain an organic fertilizer made from lincomycin residue stage additives.

5. A kind of lincomycin slag stage additive organic fertilizer according to claim 4, it is characterized in that, The moisture content of the sludge in step S2 is 55-65%.

6. A kind of lincomycin slag stage additive organic fertilizer according to claim 4, characterized in that, The mineral powder in step S2 is composed of a mixture of montmorillonite and perlite.

7. A kind of lincomycin slag stage additive organic fertilizer according to claim 4, characterized in that, The mineral powder in step S2 is composed of montmorillonite and perlite mixed in a mass ratio of 1:

1.

8. A kind of lincomycin slag stage additive organic fertilizer according to claim 4, it is characterized in that, The fermentation bacteria in the fermentation bacteria suspension in step S2 are a mixed strain of Azotobacter rotundifolia, Bacillus subtilis and Streptomyces tenuifolius.

9. A kind of lincomycin slag stage additive organic fertilizer according to claim 4, characterized in that, The fermentation bacteria in the fermentation bacteria suspension in step S2 are mixed strains of round brown nitrogen-fixing bacteria, gelatinous Bacillus and tenuiflavour Streptomyces in a mass ratio of 1:1:1, and the number of effective live bacteria in the fermentation bacteria suspension is ≥1×10 7 / ml.

10. A lincomycin residue stage additive to prepare organic fertilizer according to claim 4, characterized in that: The coating solution in step S4 is prepared by mixing carboxymethyl cellulose with 1-5wt% acetic acid solution.

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