Method for producing organic fertilizer from agricultural waste

A technology of agricultural waste and organic fertilizer, which is applied in the preparation of organic fertilizer, organic fertilizer, and bio-organic part treatment, etc., can solve problems that affect the absorption and utilization of nutrient release crops, unfavorable large-scale processing and utilization, and respiratory center poisoning, etc., to achieve The content of harmful substances is reduced, the particle size is good, and the effect of increasing the particle size

Inactive Publication Date: 2015-07-22
HEBEI ZHINONG BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages of the existing method: 1. long decomposition period, generally needs 15-30d, which is not conducive to large-scale processing and utilization in factories; With the loss of nutrients, other malodorous gases such as H 2 S, indole, mercaptan, thioether, volatile fatty acid, these malodorous substances can stimulate the human nervous system, poison the respiratory center, and make people feel headache and nausea
If the decomposition is not complete, the C / N ratio will be high, which will affect the release of nutrients and the absorption and utilization of crops

Method used

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  • Method for producing organic fertilizer from agricultural waste

Examples

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Effect test

Embodiment 1

[0018] The method for producing organic fertilizer from agricultural waste of the present embodiment may further comprise the steps:

[0019] Take 23kg of livestock and poultry manure and 16kg of crop straw to prepare agricultural waste fermentation base material with a carbon-to-nitrogen ratio of 32:1, adjust the water content of the agricultural waste to be decomposed to 65%, and inoculate the fast-rot microbial agent for fermentation. The oxygen supply in the agricultural waste during the fermentation process is 0.5m 3 / d·kg, after 9 days of fermentation, dry to a water content of 30-35%, granulate and dry;

[0020] Wherein, the content of yeast in the described fast-rot microbial inoculum is not less than 1×10 7 CFU / g; the content of Distosporium thermophiles is not less than 0.5×10 7 CFU / g; the content of nitrogen-fixing bacteria rotunda is not less than 1×10 7 CFU / g; Aspergillus niger content not less than 0.5×10 7 CFU / g.

Embodiment 2

[0022] The difference between the method for producing organic fertilizer with agricultural waste in this embodiment and Example 1 is that: the livestock and poultry manure is 21 kg, the crop straw is 16 kg, and the carbon-nitrogen ratio of the obtained agricultural waste fermentation base material is It is 34:1; the described water content is 55%; the oxygen supply in the agricultural waste in the described fermentation process is 0.8m 3 / d·kg, the fermentation time is 7d;

Embodiment 3

[0024] The difference between the method for producing organic fertilizer with agricultural waste in this embodiment and Example 1 is that: the livestock and poultry manure is 22.2 kg, the crop straw is 16 kg, and the obtained agricultural waste fermentation base material carbon nitrogen The ratio is 33:1; the water content is 60%; the oxygen supply in the agricultural waste in the fermentation process is 1m 3 / d·kg; the fermentation time is 8d.

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Abstract

The invention discloses a method for producing an organic fertilizer from agricultural waste, relates to a method for producing a fertilizer, in particular to a method for producing a bio-organic fertilizer by utilizing agricultural waste, and aims to provide a method for producing an organic fertilizer from agricultural waste. The method is short in decomposition period, thorough in decomposition and good in particle size, the produced organic fertilizer can obviously improve crop yield. The method for producing organic fertilizer from agricultural waste comprises the following steps: adjusting carbon-nitrogen ratio, adjusting water content, adding fungicide, fermenting and granulating. The decomposition time is 7-9 d, and is greatly reduced, the decomposition is thorough, the produced product is good in particle size and convenient to apply, after the organic fertilizer is applied, the yield of the crop can be improved by about 30%. The method is used for the field of agricultural production.

Description

technical field [0001] The invention relates to a method for producing fertilizer, in particular to a method for producing bio-organic fertilizer by using agricultural waste. Background technique [0002] Agricultural waste refers to the waste items discharged from agricultural production, agricultural product processing and rural residents' life. It can be divided into: ① farmland and orchard residues, such as straw, stumps, weeds, fallen leaves, fruit shells, vines, branches and other wastes; ② livestock and poultry manure and fence bedding, etc.; ③ agricultural product processing waste; ④ Human excrement and urine. [0003] Large-scale livestock farms and places where poultry and livestock are raised on a large scale in the form of house feeding all discharge a large amount of manure and the bedding of corrals and poultry houses. If they are discharged into the environment without treatment, they will pollute the environment. For example, the discharge of untreated fece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F17/00
CPCY02W30/40
Inventor 牛珍奇钱利军
Owner HEBEI ZHINONG BIOTECH CO LTD
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