CN111018594A - Preparation method of leguminous forage fertilizer in full-rainy period - Google Patents
Preparation method of leguminous forage fertilizer in full-rainy period Download PDFInfo
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- CN111018594A CN111018594A CN201911372557.7A CN201911372557A CN111018594A CN 111018594 A CN111018594 A CN 111018594A CN 201911372557 A CN201911372557 A CN 201911372557A CN 111018594 A CN111018594 A CN 111018594A
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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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The invention provides a preparation method of leguminous forage fertilizer in a full-rainy period, which comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water; A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred to carry out advanced ammoniation treatment to obtain the fermentation raw material. According to the invention, through the matching of the flow procedures of the step A, the step B, the step C and the step D, the microbial fertilizer containing high contents of elements such as nitrogen, phosphorus and potassium can be prepared, then the microbial inoculation fertilization can be carried out on grass roots of the pasture, the utilization rate of the elements such as nitrogen, phosphorus and potassium is improved, the fertility of the microbial fertilizer is further enhanced, and then the soil with abundant fertility provides a growth environment with high nutrition for the pasture.
Description
Technical Field
The invention relates to the field of pasture fertilizers, in particular to a preparation method of a leguminous pasture fertilizer in a full-rainy period.
Background
The pasture, generally referring to the pasture or other herbaceous plants used by the raised livestock, has strong regeneration capacity, can be harvested for many times a year, is rich in various trace elements and vitamins, and therefore becomes the first choice for raising the livestock, and the quality of pasture varieties directly influences the economic benefit of the animal husbandry and needs to be paid attention.
The forage is the most economical one of livestock breeding feeds, and when a grower plants the forage, the fertilizer needs to be spread, but the fertility of the existing preparation method of the forage fertilizer is low, the microbial inoculation fertilization can not be carried out on grass roots of the forage, and meanwhile, the contents of nitrogen, phosphorus, potassium and the like in the existing forage fertilizer are all lower than 35%, the fertility of soil can not be enhanced, and the yield per mu of the forage is also reduced.
Therefore, there is a need to provide a method for preparing fertilizer for leguminous forage in full rainy period to solve the above technical problems.
Disclosure of Invention
The invention provides a preparation method of leguminous forage fertilizer in a full-rainy period, which solves the problem that the fertility of the existing preparation method of forage fertilizer is low.
In order to solve the technical problems, the invention provides a preparation method of a leguminous forage fertilizer in a full rainy period, which comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
preferably, the pH value of the fermentation biogas slurry in the pig farm is set to be 7.36, and the fermentation biogas slurry in the pig farm comprises 611.6mg/L of ammonia nitrogen, 3.35mg/L of nitrate nitrogen, 1.726% of total nitrogen, 0.310g/L of total potassium and 0.204g/L of total phosphorus.
Preferably, the sealing time of the early stage of fermentation in the step A is 36-48 hours, the specific time is 40 hours according to the fermentation requirement, and the fermentation environment is a constant temperature and humidity workshop.
Preferably, the pH value of the fermentation liquor in the step B is adjusted to 7.1-7.8, according to the field situation, a user sets the pH value of the fermentation liquor to 7.5, the fermentation temperature is 25-50 ℃, the specific temperature is 40 ℃, the time of primary fermentation is 4-6 days, the time of primary fermentation is 5 days, the time of secondary fermentation is 5-7 days, and the time of secondary fermentation is 6 days.
Preferably, the drying temperature of the dryer in the step C is adjusted to 60-90 ℃, the specific drying temperature is 80 ℃, the drying time is 1.5h, and a stirring mechanism is arranged in the dryer.
Preferably, the granulated diameter of the microbial fertilizer in the step D is between 100 meshes and 150 meshes, and the granulated shape of the microbial fertilizer is set to be circular.
Compared with the related technology, the preparation method of the leguminous forage fertilizer for the full rainy period provided by the invention has the following beneficial effects:
the invention provides a preparation method of leguminous forage fertilizer in a full-rainy period,
according to the invention, through the matching of the flow procedures of the step A, the step B, the step C and the step D, the microbial fertilizer containing high contents of elements such as nitrogen, phosphorus and potassium can be prepared, then the microbial inoculation fertilization can be carried out on grass roots of the pasture, the utilization rate of the elements such as nitrogen, phosphorus and potassium is improved, the fertility of the microbial fertilizer is further enhanced, then the soil with abundant fertility provides a growth environment with high nutrition for the pasture, and the yield per mu of the pasture is improved.
Drawings
Fig. 1 is a process parameter data chart of a preferred embodiment of the preparation method of the fertilizer for leguminous forage in the full rainy period provided by the invention.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 1 is a process parameter data diagram of a preferred embodiment of the method for preparing a fertilizer for leguminous forage in the rainy period according to the present invention. A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
the first embodiment is as follows:
a preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
example two:
in example one, the following additional steps were added:
the pH value of the fermentation biogas slurry in the pig farm is set to be 7.36, and the fermentation biogas slurry in the pig farm comprises 611.6mg/L of ammonia nitrogen, 3.35mg/L of nitrate nitrogen, 1.726% of total nitrogen, 0.310g/L of total potassium and 0.204g/L of total phosphorus.
A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
example three:
in example two, the following additional steps were added:
and B, in the step A, the sealing time of the early stage of fermentation is 36-48 hours, the specific time is 40 hours according to the fermentation requirement, and the fermentation environment is a constant temperature and humidity workshop.
A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
example four:
in example three, the following additional steps were added:
and B, adjusting the pH value of the fermentation liquor in the step B to be 7.1-7.8, setting the pH value of the fermentation liquor to be 7.5 by a user according to the field condition, wherein the fermentation temperature is 25-50 ℃, the specific temperature is 40 ℃, the primary fermentation time is 4-6 days, the primary fermentation time is 5 days, the secondary fermentation time is 5-7 days, and the secondary fermentation time is 6 days.
A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
example five:
in example four, the following additional steps were added:
and C, adjusting the drying temperature of the dryer to 60-90 ℃, specifically, the drying temperature is 80 ℃, the drying time is 1.5h, and a stirring mechanism is arranged in the dryer.
A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
example six:
in example five, the following additional steps were added:
the granulation diameter of the microbial fertilizer in the step D is between 100 meshes and 150 meshes, and the granulation shape of the microbial fertilizer is set to be circular.
A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A preparation method of leguminous forage fertilizer in a full-rainy period comprises the following raw materials: 12 parts of urea (containing N46%), 8 parts of fermentation biogas slurry in a pig farm, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O, 8 parts of microbial inoculant and 20 parts of distilled water;
A. working in the early stage of fermentation: a user puts 12 parts of urea, 8 parts of pig farm fermentation biogas slurry, 14-16 parts of phosphate fertilizer calculated by P2O5, 7-10 parts of potash fertilizer calculated by K2O and 20 parts of distilled water into a stirrer in advance to carry out sealed mixing stirring, and the mixture is uniformly mixed and stirred, and is subjected to advanced ammoniation treatment to obtain a fermentation raw material;
B. fermentation operation: a user takes 70% -90% of fermentation raw materials to be placed into the fermentation tank, then the user places 8 parts of microbial inoculant into the fermentation tank, then the user injects fermentation liquor into the fermentation tank, then the user turns over the fermentation liquor once every 3-6 hours, and then primary fermentation and secondary fermentation are carried out, so that the microbial fertilizer can be obtained;
C. purification and drying: a user takes out a certain part of microbial fertilizer from the fermentation tank according to the on-site requirement, the user puts the microbial fertilizer into a purifier for purification, and then the user puts the purified microbial fertilizer into a dryer for drying;
D. granulating and packaging: a user puts the dried microbial fertilizer into a granulator, and then packages the granulated microbial fertilizer to obtain a finished microbial fertilizer product;
summary of pasture test sites: the test land is arranged on the valley terrace of the clear water river basin, the rain and wind are less in spring, the test land is cold in winter, the annual average temperature is 7.4, the accumulated temperature is more than 0 and is 3000-4000, the accumulated temperature is more than 10 and is 2500-2800, the frost-free period is 130-150 d, the annual average precipitation is 428.7mm, and the dryness is 1.70;
the pasture fertilizing method comprises the following steps: in order to prevent burning seedlings caused by excessive nitrogen application amount, the total fertilizer amount is applied according to the green returning period, the heading period and 1/3 of the total fertilizer amount after the first cutting, the yield of each mu can be increased by 187 kg and 15 percent by using the fertilizer, and the output-input ratio is 5.85: 1.
2. the preparation method of the fertilizer for leguminous forage in the full-rainy period as claimed in claim 1, wherein the pH value of the fermentation biogas slurry in the pig farm is set to be 7.36, and the fermentation biogas slurry in the pig farm comprises 611.6mg/L of ammonia nitrogen, 3.35mg/L of nitrate nitrogen, 1.726% of total nitrogen, 0.310g/L of total potassium and 0.204g/L of total phosphorus.
3. The preparation method of the fertilizer for leguminous forage in the full-rainy period as claimed in claim 1, wherein the sealing time of the work in the early stage of fermentation in the step A is 36-48 hours, the specific time is 40 hours according to the fermentation requirement, and the fermentation environment is a constant temperature and humidity workshop.
4. The method for preparing a fertilizer for leguminous forage in the rainy period according to claim 1, wherein the pH value of the fermentation liquor in the step B is adjusted to 7.1-7.8, the pH value of the fermentation liquor is set to 7.5 by a user according to the field conditions, the fermentation temperature is 25-50 ℃, specifically 40 ℃, the primary fermentation time is 4-6 days, the primary fermentation time is 5 days, the secondary fermentation time is 5-7 days, and the secondary fermentation time is 6 days.
5. The preparation method of the fertilizer for leguminous forage in the full rainy period as claimed in claim 1, wherein the drying temperature of the dryer in the step C is adjusted to 60-90 ℃, specifically 80 ℃, and the drying time is 1.5h, and a stirring mechanism is arranged in the dryer.
6. The method for preparing fertilizer for leguminous forage for full rainfall period as claimed in claim 1, wherein the granulated diameter of the microbial fertilizer in the step D is between 100 mesh and 150 mesh, and the granulated shape of the microbial fertilizer is set to be circular.
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