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Maize straw high-temperature decomposition agent and preparing method thereof

A corn stalk and high-temperature decomposing technology, which is applied in the preparation of organic fertilizers, the treatment of bio-organic parts, agriculture, etc., can solve the problems of low efficiency, large area, and long time-consuming natural composting, so as to promote plant growth and improve soil Fertility, contribute to soil improvement and environmental governance effects

Inactive Publication Date: 2016-01-20
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, natural composting has the problems of long time consumption, low efficiency and large area occupation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1 Preparation of corn stalk high temperature decomposing agent

[0017] (1) Activate and proliferate the strains of Thermomyces lanuginosa, Thermobiscus brownis, Polyspora trebodospora, Streptomyces thermopurpuricus, Geobacillus composting in situ and Bacillus subtilis by conventional method Cultivated, the effective number of viable bacteria obtained was 10 7 ~10 8 Six kinds of bacterium liquids of each / ml; And according to the cotton-like thermophilic mold: brown thermophilic bacterium: polyspora kurboi: Streptomyces pyrpurinae: composting on the spot Geobacillus: Bacillus subtilis weight ratio is The ratio of 20:15:15:8:8:4 mixes the prepared six kinds of bacterial solutions evenly to obtain a composite bacterial agent;

[0018] (2) crushing corn stalks to an average particle size of 150 μm to 650 μm to obtain corn stalk powder particles, and then mixing the corn stalk powder particles with the composite bacterial agent obtained in step (1) in a weight rati...

Embodiment 2

[0032] Example 2 Preparation of corn stalk high temperature decomposing agent

[0033] (1) Activate and proliferate the strains of Thermomyces lanuginosa, Thermobiscus brownis, Polyspora trebodospora, Streptomyces thermopurpuricus, Geobacillus composting in situ and Bacillus subtilis by conventional method Cultivated, the number of effective viable bacteria obtained was 10 7 ~10 8 Six kinds of bacterium liquids of each / ml; And according to the cotton-like thermophilic mold: brown thermophilic bacterium: polyspora kurboi: Streptomyces pyrpurinae: composting on the spot Geobacillus: Bacillus subtilis weight ratio is The ratio of 25:20:20:8:8:5 mixed the prepared six bacterial solutions evenly to obtain a composite microbial agent;

[0034] (2) crushing corn stalks to an average particle size of 150 μm to 650 μm to obtain corn stalk powder particles, and then mixing the corn stalk powder particles with the composite bacterial agent obtained in step (1) in a weight ratio of 2:5,...

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Abstract

The invention discloses a maize straw high-temperature decomposition agent. The maize straw high-temperature decomposition agent is prepared by fermenting and then drying maize straw powder and complex microbial inoculants. The maize straw powder particles in the maize straw high-temperature decomposition agent are loaded with a bacterium mixture containing thermomyces lanuginosus, thermobifida fusca, thermopolyspora flexuosa, streptomyces thermoviolaceus, in-situ composting bacillus licheniformis and bacillus subtilis. Living bacteria count is not lower than 48+ / -1 hundred million / g. The average grain diameter of the maize straw high-temperature decomposition agent is 150-650 micrometers, water content is lower than 15%, and pH is 6.0-8.0. By the adoption of the decomposition agent, the lignocelluloses substance and the protein substance in maize straw can be degraded quickly to achieve straw decomposing, and rich simple inorganic carbon sources and nitrogen sources are generated. Decomposed maize straw is made into organic fertilizer to effectively promote the growth of plants and improve the fertility of soil. Soil improvement and environment management are facilitated, and sustainable development of agriculture is achieved.

Description

technical field [0001] The invention relates to a microbial preparation, in particular to a high-temperature decomposing agent for corn stalks and its preparation method and application. Background technique [0002] Corn stalks, as a widespread plant biomass resource, have great bioutilization value. As a large agricultural country, my country produces a large amount of corn stalks every year, but the utilization efficiency of the stalks is very low, and most of the stalks are burned directly, causing serious environmental pollution and waste of resources. The main component of corn stover is lignocellulose, and its components include hemicellulose, cellulose and lignin, which can be decomposed by microorganisms through solid-state fermentation into simple carbon sources that can be absorbed and utilized by plants, and are an excellent substitute for chemical fertilizers. By converting corn stalks into organic fertilizers, environmental pollution and resource waste caused ...

Claims

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Application Information

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IPC IPC(8): C05F11/08C05F17/00
CPCY02W30/40
Inventor 王禄山张丽丽张怀强陈冠军高培基
Owner SHANDONG UNIV
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