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Straw decomposition agent and producing method thereof

A technology of straw decomposing agent and production method, which is applied in the biological field, can solve the problems of increasing the number of pathogenic bacteria, the increase of underground pests, and the difficulty of removing pathogenic bacteria from the field, etc., and achieve the effects of good stress resistance and inhibition of growth and reproduction

Active Publication Date: 2014-04-23
中农绿康(北京)生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the direct return of straw to the field creates suitable environmental conditions for the occurrence of some diseases and insect pests, which can make the corn borer survive the winter safely and increase the number of underground pests such as grubs, cutworms, and needleworms; quantity

Method used

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  • Straw decomposition agent and producing method thereof

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Effect test

Embodiment 1

[0021] In an embodiment of the present invention, a straw decomposing agent is provided, including peat and a microbial flora containing an active ingredient of the bacteria, and the active ingredient of the bacteria is a spore, a vegetative body or a spore;

[0022] Wherein, the microbial flora includes Trichoderma harzianum, Bacillus subtilis, Saccharomyces cerevisiae and Metarhizium anisopliae; the content of the microbial flora is: 0.5-500 million per gram of peat.

[0023] The straw decomposing agent provided by the present invention includes microbial flora and peat containing the active ingredients of the thallus, and the content of the microbial flora is controlled between 50 million and 500 million per gram of peat; As an important component of straw decomposing agent, microbial flora has good stress resistance and can survive in a harsh environment; when using this straw decomposing agent to decompose straw, due to the inhibitory effect of Trichoderma harzianum and Ba...

Embodiment 2

[0030] The preparation method of the straw decomposing agent of the present embodiment comprises the following steps, please refer to figure 1 :

[0031] Step 101: Perform strain activation, shake flask culture, seed tank culture and fermenter culture on the original Trichoderma harzianum to obtain Trichoderma harzianum fermentation liquid;

[0032] Step 102: Perform strain activation, shake flask culture, seed tank culture and fermenter culture on the original bacteria of Bacillus subtilis to obtain Bacillus subtilis fermentation liquid;

[0033] Step 103: Perform strain activation, shake flask culture, seed tank culture and fermenter culture on the original strain of S. cerevisiae to obtain S. cerevisiae fermentation liquid;

[0034] Step 104: Activating the original strain of Metarhizium anisopliae, culturing in a shake flask, culturing in a seed tank, and culturing in a fermenter to obtain a Metarhizium anisopliae fermentation liquid;

[0035] Among them, step 101-step 1...

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Abstract

The invention relates to the technical field of biology, and particularly relates to a straw decomposition agent and a producing method thereof. The straw decomposition agent includes peat and a microbial flora containing a bacteria active ingredient, the bacteria active ingredient is bacillus, trophozoite or spore; wherein the microbial flora includes trichoderma harzianum, bacillus subtilis, saccharomyces cerevisiae and metarhizium anisopliae; and the microbial flora content is: 50-500 million / g peat. The straw decomposition agent plays the role of decomposition of straw and also has the effect of inhibition of the growth and reproduction of diseases and insect pests.

Description

technical field [0001] The invention relates to the field of biotechnology, in particular to a straw decomposing agent and a preparation method thereof. Background technique [0002] Straw returning to the field is an important way of straw utilization; it generally requires the use of straw decomposing agents to accelerate straw decomposition. The straw decomposing agent contains a large amount of yeast, mold and bacillus, etc., and its mass reproduction can quickly and effectively decompose crop straw into nitrogen, phosphorus, potassium and other macroelements needed for crop growth, as well as calcium, magnesium, manganese, molybdenum, etc. Medium and trace elements can effectively improve the soil aggregate structure, improve soil aeration and fertilizer and water retention functions, and can generate heat and a certain amount of carbon dioxide, thereby improving the growth environment of plants and promoting the effective use of straw recycling. [0003] However, the ...

Claims

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Application Information

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IPC IPC(8): C12N11/14C05F17/00C05F11/08C12R1/885C12R1/125C12R1/865C12R1/645
CPCY02W30/40
Inventor 张丽霞王树雪李芳
Owner 中农绿康(北京)生物技术有限公司
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