CN112174740A - Organic fertilizer liquid using livestock and poultry manure as raw material and preparation method thereof - Google Patents
Organic fertilizer liquid using livestock and poultry manure as raw material and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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- 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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- 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
- 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
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- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses an organic fertilizer liquid taking livestock and poultry manure as a raw material and a preparation method thereof, wherein the organic fertilizer liquid comprises the following raw materials in parts by weight: 200 parts of livestock and poultry manure, 50-60 parts of urea, 50-60 parts of agricultural wastes, 30-40 parts of industrial wastes, 20-30 parts of plant ash, 20-30 parts of biogas slurry, 10-15 parts of microbial agent and 4-6 parts of combined enzyme agent. The invention adopts the livestock and poultry manure as the main raw material, is matched with agricultural wastes and industrial wastes, changes waste into valuable, is added with conditioners such as urea, biogas slurry and the like, and is rapidly fermented into the high-quality organic fertilizer liquid under the action of the microbial agent and the combined enzyme agent, and the organic fertilizer liquid has the characteristics of no pollution, quick acting, long acting and the like. In the preparation process, a fermentation mode combining aerobic fermentation, anaerobic fermentation and aerobic fermentation is adopted, so that the engineering cost is reduced, and the high-quality organic fertilizer liquid is prepared.
Description
Technical Field
The invention relates to the technical field of organic fertilizers, in particular to an organic fertilizer liquid taking livestock and poultry manure as a raw material and a preparation method thereof.
Background
With the continuous improvement of the intensification degree of the animal husbandry in China, the scale of the animal husbandry cultivation is gradually increased. The consequent negative effect is that the quantity of livestock manure increases year by year. Because the livestock manure is not properly stacked and the manure is not properly washed and managed, a large amount of pollutants enter a water body, the loss rate of the livestock manure entering the water body is up to 25-30%, the COD (chemical oxygen demand) emission is close to the total COD emission amount of industrial wastewater, and the N, P loss is greater than the fertilizer loss amount, so that the method is one of the main causes of non-point source pollution in rural areas. If the livestock and poultry manure cannot be treated in time, the surrounding environment and water sources are seriously polluted, and the ecological environment is seriously influenced, so the manure generated by animal husbandry becomes one of important factors restricting the deep development of breeding enterprises. In addition, a great deal of agricultural wastes such as straws, bean pulp, branches and the like and industrial wastes such as mushroom fungus residues, kelp residues, phosphoric citric acid residues, cassava residues, furfural residues and the like are also accumulated in a great deal, thereby causing waste.
At present, although livestock and poultry manure, agricultural wastes, industrial wastes and the like are partially utilized to prepare organic fertilizers, a certain amount of harmful substances such as heavy metals, pesticides, feed additives, antibiotics and the like may exist. When applied to soil, these harmful substances are also carried into the soil and the environment, and can have negative effects on the environment. In addition, although the organic fertilizer has more component types, the content of each nutrient is relatively less, the utilization rate is low, and the number of germs is large.
Therefore, the problem to be solved by those skilled in the art is how to provide an organic fertilizer solution using livestock and poultry manure as raw material and a preparation method thereof
Disclosure of Invention
The invention provides an organic fertilizer liquid using livestock and poultry manure as a raw material and a preparation method thereof, wherein the livestock and poultry manure is used as a main raw material and is matched with agricultural wastes and industrial wastes to change waste into valuable, and conditioners such as urea, biogas slurry and the like are added to rapidly ferment into the high-quality organic fertilizer liquid under the action of a microbial agent and a combined enzyme agent. In the preparation process, the fermentation mode of combining aerobic fermentation, anaerobic fermentation and aerobic fermentation of the raw materials reduces the engineering cost and prepares high-quality organic fertilizer liquid.
In order to achieve the purpose, the invention adopts the following technical scheme:
an organic fertilizer liquid taking livestock and poultry manure as a raw material comprises the following raw materials in parts by weight: 200 parts of livestock and poultry manure, 50-60 parts of urea, 50-60 parts of agricultural wastes, 30-40 parts of industrial wastes, 20-30 parts of plant ash, 20-30 parts of biogas slurry, 10-15 parts of microbial agent and 4-6 parts of combined enzyme agent.
Preferably, the organic fertilizer liquid comprises the following raw materials in parts by weight: 180 parts of livestock and poultry manure, 55 parts of urea, 55 parts of agricultural waste, 35 parts of industrial waste, 25 parts of plant ash, 25 parts of biogas slurry, 12 parts of microbial agent and 5 parts of combined enzyme agent.
Preferably, the microbial agent is a mixture of bacillus subtilis, rhizobium, silicate bacteria, bacillus licheniformis, bacillus megaterium, bacillus amyloliquefaciens, saccharomyces cerevisiae, brevibacillus laterosporus, streptomyces microflavus, inorganic phosphorus bacteria, azotobacter, aspergillus niger and aspergillus oryzae.
The technical effect of adopting the technical scheme is as follows: the design adopts various aerobic zymogens and facultative zymogens, the zymogens can secrete various enzymes capable of degrading organic matters (including protein, cellulose, hemicellulose, lipid and the like) and improving the insect pest resistance of crops in the growth process, the early degradation of bacteria such as silicate bacteria, bacillus licheniformis, bacillus subtilis, bacillus megaterium and bacillus amyloliquefaciens is realized, the subsequent enzymolysis of aspergillus niger and aspergillus oryzae is combined, and the combined action of the combined enzyme preparation is combined, so that the multifunctional microbial organic fertilizer has the advantages of quick fermentation and good fermentation, can be fermented at high temperature and low temperature, greatly shortens the manufacturing time and reduces the cost.
Preferably, the effective viable count of the microbial agent is not less than 1.2 hundred million/g.
Preferably, the combined enzyme agent is a mixture of cellulase, lipase, sucrase, pectinase, catalase, soil protease and soil phosphatase in any proportion.
The technical effect of adopting the technical scheme is as follows: the combined enzyme agent can hydrolyze components of fermentation raw materials into nutrient substances for microbial culture, increase nutrition, promote fermentation process, improve raw material utilization rate in the fermentation process, shorten fermentation period, improve product quality and reduce production cost by being matched with a microbial agent.
Preferably, the mass ratio of the cellulase, the lipase, the sucrase, the pectinase, the catalase, the soil protease and the soil phosphatase is (2-3): (2-5): (2-5): (5-7): (0.5-1): (0.5-1).
Preferably, the agricultural waste is a mixture of one or more of straw, soybean meal, cottonseed meal, weeds, fallen leaves and fruit shells.
Preferably, the industrial waste is one or a mixture of mushroom dregs, kelp dregs, phosphoric citric acid dregs, cassava dregs, furfural dregs, amino acid humic acid, oil dregs, shell powder, vinasse, vinegar residues and the sugar dregs of the cassava dregs.
The invention also provides a preparation method of the organic fertilizer liquid taking the livestock and poultry manure as the raw material, S1, the livestock and poultry manure and the agricultural waste are crushed and dried, then are mixed with the microbial agent and the combined enzyme agent according to the required proportion, and are subjected to first aerobic fermentation, then the plant ash and the industrial waste are added, and then are subjected to anaerobic fermentation, and then are subjected to second aerobic fermentation, and finally are degraded to obtain a liquefied substance;
s2, adding the biogas slurry and urea into the liquefied substance in proportion to prepare a mixture, carrying out ultrasonic treatment on the mixture, and carrying out sand filtration to obtain the organic fertilizer liquid.
The technical effect of adopting the technical scheme is as follows: the organic fertilizer is prepared by the combined process method of firstly carrying out aerobic fermentation to decompose most organic matters, then carrying out anaerobic fermentation to be beneficial to the decomposition of hemicellulose and cellulose and destroy the internal structure, and then carrying out aerobic fermentation to decompose all the undecomposed lignin and the organic matters which are difficult to decompose into organic acid and convert the organic acid into organic matters which are comparatively stable such as humic acid, amino acid and the like.
Preferably, in step S1, the first aerobic fermentation and the second aerobic fermentation are both operated: carrying out aerobic fermentation for 2-3 days under the conditions that the pH is 6-8, the temperature is 40-60 ℃, the oxygen concentration is not lower than 10 percent and the water content is 50-60 percent;
the anaerobic fermentation operation comprises the following steps: sealing at 30-50 deg.C, and anaerobic fermenting for 7-10 days.
The technical effect of adopting the technical scheme is as follows: when the water content is lower than 50%, the capability of the microorganisms for extracting nutrient substances in water is reduced, and the decomposition of organic matters is slow; when the moisture is less than 15%, the microbial activity is almost stopped; when the water content is higher than 60%, the water fills gaps among the material particles, blocks air channels and influences the degradation effect of organic matters.
Preferably, in step S2, only the sand-filtered filter residue is again fed into the fermentation chamber for further fermentation.
Compared with the prior art, the organic fertilizer liquid using the livestock and poultry manure as the raw material disclosed by the invention has the following beneficial effects:
(1) the invention adopts the livestock and poultry manure as the main raw material, is matched with agricultural wastes and industrial wastes, changes waste into valuable, is added with conditioners such as urea, biogas slurry and the like, and is rapidly fermented into the high-quality organic fertilizer liquid under the action of the microbial agent and the combined enzyme agent.
(2) In the preparation process of the organic fertilizer liquid, the invention firstly carries out aerobic fermentation to decompose most organic matters, then carries out anaerobic fermentation to facilitate the decomposition of hemicellulose and cellulose, destroys the internal structure, and then carries out aerobic fermentation to decompose all the undecomposed lignin and the organic matters which are difficult to decompose into organic acid which is converted into organic matters with relatively stability such as humic acid, amino acid and the like. In short, the method adopts a fermentation mode combining aerobic fermentation, anaerobic fermentation and aerobic fermentation, reduces the engineering cost and prepares the high-quality organic fertilizer liquid.
(3) The invention not only solves the problem of environmental pollution caused by the livestock and poultry manure, but also the obtained organic fertilizer liquid is convenient to store and transport and easy to fertilize; the invention can increase organic matters in soil when being applied to the soil, so that the root has enough oxygen, the absorption capacity is strengthened, the rapid growth of plants is promoted, the crop yield is improved, the average yield is increased by more than 60-400 percent, the different yield increasing amplitudes of crops are different, and the yield increasing of tomatoes, coffee, grapes, tea leaves, beans, hot peppers and cotton is more than 4 times; compared with the chemical fertilizer, the cost for purchasing the chemical fertilizer is saved by more than 70%, and meanwhile, the damage of the chemical fertilizer to the land is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the following examples, the enzyme activity of cellulase is 2000-3000U/g, the enzyme activity of lipase is 2000-5000U/g, the enzyme activity of sucrase is 2000-5000U/g, the enzyme activity of pectinase is 2000-5000U/g, the enzyme activity of catalase is 5000-7000U/g, the enzyme activity of soil protease is 500-1000U/g, and the enzyme activity of soil phosphatase is 500-1000U/g.
Example 1
The embodiment discloses an organic fertilizer liquid using livestock and poultry manure as a raw material, which comprises the following raw materials in kg by weight: 150kg of livestock and poultry manure, 50kg of urea, 60kg of agricultural waste, 40kg of industrial waste, 30kg of plant ash, 30kg of biogas slurry, 10kg of microbial inoculum and 6kg of combined enzyme agent.
Wherein the agricultural wastes are a mixture of straws, bean pulp, cottonseed meal, weeds, fallen leaves and fruit shells in any proportion. The industrial waste is a mixture of mushroom fungus residue, kelp residue, phosphoric citric acid residue, cassava residue, furfural residue, amino acid humic acid, oil residue, shell powder, vinasse, vinegar residue and cassava residue sugar residue in any proportion.
The microbial agent is a mixture of bacillus subtilis, rhizobium, silicate bacteria, bacillus licheniformis, bacillus megaterium, bacillus amyloliquefaciens, saccharomyces cerevisiae, brevibacillus laterosporus, streptomyces microflavus, inorganic phosphorus bacteria, azotobacter, aspergillus niger and aspergillus oryzae, and the effective viable count of the microbial agent is 1.5 hundred million/g. The combined enzyme agent comprises cellulase, lipase, sucrase, pectinase, catalase, soil protease and soil phosphatase, wherein the dosage of the cellulase is 2000U/g, the dosage of the lipase is 5000U/g, the dosage of the sucrase is 5000U/g, the dosage of the pectinase is 2000U/g, the dosage of the catalase is 7000U/g, the dosage of the soil protease is 1000U/g, and the dosage of the soil phosphatase is 500U/g.
The embodiment also provides a preparation method of the organic fertilizer liquid taking the livestock and poultry manure as the raw material, which comprises the following steps:
s1, smashing and drying livestock and poultry manure and agricultural wastes, putting the smashed and dried livestock and poultry manure and agricultural wastes into a fermentation chamber, mixing the smashed livestock and poultry manure and the agricultural wastes with a microbial agent and a combined enzyme agent according to a required proportion, carrying out aerobic fermentation for 2 days under the conditions of pH 6, temperature 40 ℃, oxygen concentration 30% and water content 60%, adding plant ash and industrial wastes after the aerobic fermentation is finished, carrying out anaerobic fermentation for 7 days under the conditions of temperature 30 ℃, sealing fermentation, pH 6, temperature 40 ℃, oxygen concentration 30% and water content 60%, then carrying out aerobic fermentation for 3 days, and finally degrading to obtain a liquefied product;
s2, conveying the liquefied substance to a blending box, adding biogas slurry and urea in proportion to prepare a mixture, carrying out ultrasonic treatment for 1 hour under the condition that the power is 500W, and carrying out sand filtration after the ultrasonic treatment of the mixture is finished to obtain the organic fertilizer liquid.
In the biological organic fertilizer in the embodiment, N, P and K are 14.5 to 3.8 to 5.0, the effective bacteria number is more than or equal to 1.2 hundred million/g, the content of soluble organic matters is 24 percent, the pH value is 6.5, and the effective period is more than or equal to 18 months.
Example 2
The embodiment discloses an organic fertilizer liquid using livestock and poultry manure as a raw material, which comprises the following raw materials in kg by weight: 200kg of livestock and poultry manure, 60kg of urea, 60kg of agricultural waste, 30kg of industrial waste, 20kg of plant ash, 20kg of biogas slurry, 15kg of microbial inoculum and 4kg of combined enzyme agent.
Wherein the agricultural wastes are a mixture of straws, bean pulp, cottonseed meal, weeds, fallen leaves and fruit shells in equal proportion. The industrial waste is mixture of mushroom dregs, kelp dregs, phosphoric citric acid dregs, cassava dregs, furfural dregs, amino acid humic acid, oil dregs, shell powder, vinasse, vinegar dregs and the cassava dregs in equal proportion.
The microbial agent is a mixture of bacillus subtilis, rhizobium, silicate bacteria, bacillus licheniformis, bacillus megaterium, bacillus amyloliquefaciens, saccharomyces cerevisiae, brevibacillus laterosporus, streptomyces microflavus, inorganic phosphorus bacteria, azotobacter, aspergillus niger and aspergillus oryzae, and the effective viable count of the microbial agent is 1.3 hundred million/g.
The combined enzyme agent comprises cellulase, lipase, sucrase, pectinase, catalase, soil protease and soil phosphatase, wherein the dosage of the cellulase is 3000U/g, the dosage of the lipase is 2000U/g, the dosage of the sucrase is 2000U/g, the dosage of the pectinase is 7000U/g, the dosage of the catalase is 5000U/g, the dosage of the soil protease is 500U/g, and the dosage of the soil phosphatase is 1000U/g.
The embodiment also provides a preparation method of the organic fertilizer liquid taking the livestock and poultry manure as the raw material, which comprises the following steps:
s1, smashing and drying livestock and poultry manure and agricultural wastes, putting the smashed and dried livestock and poultry manure and agricultural wastes into a fermentation chamber, mixing the smashed livestock and poultry manure and the agricultural wastes with a microbial agent and a combined enzyme agent according to a required proportion, carrying out aerobic fermentation for 3 days under the conditions of pH 8, temperature 60 ℃, oxygen concentration 10% and water content 50%, adding plant ash and industrial wastes after the aerobic fermentation is finished, carrying out anaerobic fermentation for 2 days under the conditions of temperature 50 ℃, closed fermentation for 10 days, pH 8, temperature 60 ℃, oxygen concentration 10% and water content 50%, and finally degrading to obtain a liquefied product;
s2, conveying the liquefied substance to a blending box, adding biogas slurry and urea in proportion to prepare a mixture, carrying out ultrasonic treatment for 3 hours under the condition that the power is 400W, and carrying out sand filtration after the ultrasonic treatment of the mixture is finished to obtain the organic fertilizer liquid.
In the biological organic fertilizer in the embodiment, N, P and K are 14.5 to 3.5 to 6.2, the effective bacteria number is more than or equal to 1.2 hundred million/g, the content of soluble organic matters is 22 percent, the pH value is 8.0, and the effective period is more than or equal to 18 months.
Example 3
The embodiment discloses an organic fertilizer liquid using livestock and poultry manure as a raw material, which comprises the following raw materials in kg by weight: 180kg of livestock and poultry manure, 55kg of urea, 55kg of agricultural waste, 35kg of industrial waste, 25kg of plant ash, 25kg of biogas slurry, 12kg of microbial agent and 5kg of combined enzyme agent. The agricultural waste is a mixture of straw, bean pulp, cottonseed meal, weeds, fallen leaves and fruit shells in any proportion.
The industrial waste is a mixture composed of mushroom fungus residue, kelp residue, phosphoric citric acid residue, cassava residue, furfural residue, amino acid humic acid, oil residue, shell powder, vinasse, vinegar residue and cassava residue sugar residue in any proportion.
The microbial agent is a mixture of bacillus subtilis, rhizobium, silicate bacteria, bacillus licheniformis, bacillus megaterium, bacillus amyloliquefaciens, saccharomyces cerevisiae, brevibacillus laterosporus, streptomyces microflavus, inorganic phosphorus bacteria, azotobacter, aspergillus niger and aspergillus oryzae, and the effective viable count of the microbial agent is 1.4 hundred million/g.
The combined enzyme agent comprises cellulase, lipase, sucrase, pectinase, catalase, soil protease and soil phosphatase, wherein the dosage of the cellulase is 2500U/g, the dosage of the lipase is 2500U/g, the dosage of the sucrase is 3000U/g, the dosage of the pectinase is 3000U/g, the dosage of the catalase is 6000U/g, the dosage of the soil protease is 6000U/g and the dosage of the soil phosphatase is 6000U/g.
The embodiment also provides a preparation method of the organic fertilizer liquid taking the livestock and poultry manure as the raw material, which comprises the following steps:
s1, smashing and drying livestock and poultry manure and agricultural wastes, putting the smashed and dried livestock and poultry manure and agricultural wastes into a fermentation chamber, mixing the smashed livestock and poultry manure and the agricultural wastes with a microbial agent and a combined enzyme agent according to a required proportion, carrying out aerobic fermentation for 3 days under the conditions of pH7, temperature 50 ℃, oxygen concentration 20% and water content 55%, adding plant ash and industrial wastes after the aerobic fermentation is completed, carrying out anaerobic fermentation for 2 days under the conditions of temperature 40 ℃, closed fermentation for 8 days, pH7, temperature 50 ℃, oxygen concentration 20% and water content 55%, and finally degrading to obtain a liquefied product;
s2, conveying the liquefied substance to a blending box, adding biogas slurry and urea in proportion to prepare a mixture, carrying out ultrasonic treatment for 2 hours under the condition that the power is 450W, and carrying out sand filtration after the ultrasonic treatment of the mixture is finished to obtain the organic fertilizer liquid.
In the biological organic fertilizer in the embodiment, N, P and K are 14.5 to 3.7 to 5.8, the effective bacteria number is more than or equal to 1.2 hundred million/g, the content of soluble organic matters is 25 percent, the pH value is 7.5, and the effective period is more than or equal to 18 months.
Comparative example 1
The procedure was substantially the same as that of example 3 except that no microbial agent was added.
In the organic fertilizer liquid of the comparative example, the effective bacteria number is more than or equal to 0.02 hundred million/g, and the content of soluble organic matters is 10 percent.
Comparative example 2
The starting material and preparation were essentially the same as in example 3, except that no combinatorial enzyme agent was added.
In the organic fertilizer liquid of the comparative example, the effective bacteria number is more than or equal to 0.8 hundred million/g, and the content of soluble organic matters is 12 percent.
Component detection in the organic fertilizer liquid of the embodiment 3 and the comparative examples 1 and 2 shows that compared with the comparative examples 1 and 2, the organic matter content in the embodiment 3 is obviously increased, the raw material is not sufficiently fermented due to the fact that the microbial agent is not added in the comparative example 1, and further the organic matter content is greatly reduced, and the comparative example document 2 is not added with the combined enzyme agent, so that although a certain fermentation effect is achieved, the utilization rate of the raw material is obviously low, and the organic matter content is relatively low.
The content of heavy metals in the organic fertilizer liquid produced by the method is lower than the pollutant control standard in agricultural sludge (GB4284-84), and the comparison result is as follows:
as can be seen from the data in the table above, the invention takes the livestock and poultry manure as the main raw material, utilizes a plurality of microbial agents and combines a combined enzyme agent to meet the requirements of harmlessness, treatment stabilization and resource utilization. In the subsequent fertilizer production process, other humic acid and various trace elements are added according to soil characteristics, the nutritional characteristics of crops and the cultivation technical characteristics, so that the targeted organic liquid fertilizer is prepared. The index with fertilizer can be divided into N + P according to the mass (kg) content2O5+K2O is more than or equal to 4 percent; organic matter is more than or equal to 35 percent, humic acid is more than or equal to 10 percent, PH is 7-7.5, and the adjustment can be carried out according to actual amount, for example, N + P is more than or equal to 4 percent2O5+K2Less than or equal to 9 percent of O, less than or equal to 45 percent of organic matter less than or equal to 35 percent, less than or equal to 20 percent of humic acid less than or equal to 10 percent, and PH 7-7.5.
The product of the invention is a tawny liquid, which contains dozens of excellent microorganisms, medium and short-bond amino acids, enzymatic hydrolysate, strong protease, nitrogen, phosphorus, potassium (the total amount is less than 15 percent), boron, manganese, zinc, magnesium (the total amount is less than 4 percent), calcium, iron, copper and other huge, secondary, trace and more than ten necessary nutrient elements.
The application method of the product of the invention comprises the following steps: is suitable for being used in fields, orchards, greenhouses and the like. 10kg of organic fertilizer liquid is used per mu of land, and the organic fertilizer liquid is mixed with water when in use, and the weight ratio of the organic fertilizer liquid to the water is 1:50, the fertilizing method can adopt manual spraying or drip irrigation.
In a 1-mu tomato protection field greenhouse in suburbs of the Union, 10kg of the organic fertilizer liquid prepared in example 3 was mixed with water in a ratio of 1:50, uniformly sprayed on the roots of the crops and the soil around the roots and the soil and the growth of the tomatoes was observed. And applying the fertilizer to the adjacent 1 mu of tomato protection field greenhouse according to the traditional farmyard manure applying mode, and observing the growth of the tomatoes.
The results of the above comparative tests are as follows:
the data show that the fertilizer can increase organic matters in soil when being applied to the soil, so that the roots have enough oxygen, the absorption capacity is enhanced, the rapid growth of plants is promoted, the crop yield is increased, and the yield of tomatoes is increased by 4 times.
In conclusion, the invention adopts the livestock and poultry manure as the main raw material, is matched with agricultural wastes and industrial wastes to change waste into valuable, is added with conditioners such as urea, biogas slurry and the like, and is rapidly fermented into the high-quality organic fertilizer liquid under the action of the microbial agent and the combined enzyme agent, and the organic fertilizer liquid has the characteristics of no pollution, quick acting, long acting and the like.
The invention not only solves the problem of environmental pollution caused by the livestock and poultry manure, but also the obtained organic fertilizer liquid is convenient to store and transport and easy to fertilize; the invention can increase organic matters in soil when being applied to the soil, so that the root has enough oxygen, the absorption capacity is strengthened, the rapid growth of plants is promoted, the crop yield is improved, the average yield is increased by more than 60-400 percent, the different yield increasing amplitudes of crops are different, and the yield increasing of tomatoes, coffee, grapes, tea leaves, beans, hot peppers and cotton is more than 4 times; compared with the chemical fertilizer, the cost for purchasing the chemical fertilizer is saved by more than 70%, and meanwhile, the damage of the chemical fertilizer to the land is reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The organic fertilizer liquid is characterized by comprising the following raw materials in parts by weight: 200 parts of livestock and poultry manure, 50-60 parts of urea, 50-60 parts of agricultural wastes, 30-40 parts of industrial wastes, 20-30 parts of plant ash, 20-30 parts of biogas slurry, 10-15 parts of microbial agent and 4-6 parts of combined enzyme agent.
2. The organic fertilizer solution taking livestock and poultry manure as a raw material according to claim 1, characterized by comprising the following raw materials in parts by weight: 180 parts of livestock and poultry manure, 55 parts of urea, 55 parts of agricultural waste, 35 parts of industrial waste, 25 parts of plant ash, 25 parts of biogas slurry, 12 parts of microbial agent and 5 parts of combined enzyme agent.
3. The organic fertilizer solution as claimed in claim 1 or 2, wherein the microbial agent is a mixture of bacillus subtilis, rhizobium, silicate bacteria, bacillus licheniformis, bacillus megaterium, bacillus amyloliquefaciens, saccharomyces cerevisiae, brevibacillus laterosporus, streptomyces microflavus, inorganic phosphorus bacteria, azotobacter, aspergillus niger and aspergillus oryzae.
4. The organic fertilizer solution using livestock and poultry manure as a raw material according to claim 3, wherein the effective viable count of the microbial agent is not less than 1.2 hundred million/g.
5. The organic fertilizer solution using livestock and poultry manure as raw materials according to claim 1 or 2, characterized in that the combined enzyme agent is a mixture of cellulase, lipase, sucrase, pectinase, catalase, soil protease and soil phosphatase in any proportion.
6. The organic fertilizer solution using livestock and poultry manure as a raw material according to claim 5, wherein the mass ratio of the cellulase, the lipase, the sucrase, the pectinase, the catalase, the soil protease and the soil phosphatase is (2-3): (2-5): (2-5): (5-7): (0.5-1): (0.5-1).
7. The organic fertilizer solution using livestock and poultry manure as raw materials according to claim 1 or 2, wherein the agricultural waste is one or more of straw, bean pulp, cottonseed meal, weeds, fallen leaves and fruit shells.
8. The organic fertilizer solution using livestock and poultry manure as raw materials according to claim 1 or 2, wherein the industrial waste is one or a mixture of more of mushroom residues, kelp residues, phosphorous citric acid residues, cassava residues, furfural residues, amino acid humic acid, oil residues, shell powder, vinasse, vinegar residues and sugar residues of the cassava residues.
9. A method for preparing an organic fertilizer solution using livestock and poultry manure as a raw material according to any one of claims 1 to 8, which comprises the steps of:
s1, smashing and drying the livestock and poultry manure and the agricultural wastes, mixing the smashed livestock and poultry manure and the agricultural wastes with a microbial agent and a combined enzyme agent according to a required ratio, carrying out first aerobic fermentation, adding plant ash and industrial wastes after the first aerobic fermentation is finished, carrying out anaerobic fermentation, carrying out second aerobic fermentation, and finally degrading to obtain a liquefied product;
s2, adding the biogas slurry and urea into the liquefied substance in proportion to prepare a mixture, and performing ultrasonic treatment on the mixture and sand filtration to obtain the organic fertilizer liquid.
10. The method of claim 9, wherein the first aerobic fermentation and the second aerobic fermentation are both performed in step S1: carrying out aerobic fermentation for 2-3 days under the conditions that the pH is 6-8, the temperature is 40-60 ℃, the oxygen concentration is not lower than 10 percent and the water content is 50-60 percent;
the anaerobic fermentation operation comprises the following steps: sealing at 30-50 deg.C, and anaerobic fermenting for 7-10 days.
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| CN115838668A (en) * | 2022-11-29 | 2023-03-24 | 安徽科技学院 | Preparation method of pig manure composite fermentation microbial inoculum, fermentation microbial inoculum prepared by using same, pig manure biological organic fertilizer, preparation method and application of pig manure composite fermentation microbial inoculum |
| CN117510284A (en) * | 2023-11-16 | 2024-02-06 | 沣田宝农业科技有限公司 | Organic bacterial fertilizer for decomposing soil harmful substances and preparation method thereof |
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