Thorough decomposition agent for locally returning straw to fields, and preparation method of thorough decomposition agent

A technology of decomposing agent and straw, which is applied in the field of straw decomposing agent, can solve the problems of long cycle, achieve low preparation cost, be suitable for popularization of production, and improve the effect of soil microbial environment

Pending Publication Date: 2019-12-31
哈尔滨谷润生态科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cycle of using this bacterial agent to promote the complete decomposition of straw is too lo...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: In the present embodiment, the decomposing agent for returning stalks to the field in situ is obtained by fermenting respectively by Bacillus amyloliquefaciens, Aspergillus niger, Trichoderma longibranchus and Saccharomyces cerevisiae, and the obtained fermentation liquid is mixed, wherein, Bacillus amyloliquefaciens The colony forming unit number ratio of the agent fermentation liquid, Aspergillus niger agent fermentation liquid, Trichoderma longibrachiae agent fermentation liquid and Saccharomyces cerevisiae fermentation liquid is 2:3:3:1; Specifically, it is accomplished through the following steps:

[0021] Step 1. Bacillus amyloliquefaciens, Aspergillus niger, Trichoderma longibranchus, and Saccharomyces cerevisiae were respectively started from the inclined plane of the test tube, activated and cultivated, cultured in shake flasks, expanded to seed tank culture, and then fermented in a fermenter to obtain amyloliquefaciens spores respectively Bacillus...

Embodiment 2

[0027] Example 2: In this example, the straw returning to the field decomposing agent is obtained by fermenting Bacillus amyloliquefaciens, Aspergillus niger, Trichoderma longbranchus and Saccharomyces cerevisiae respectively, and the obtained fermentation liquid is mixed, wherein, Bacillus amyloliquefaciens The ratio of the number of colony forming units of the fermented liquid, the fermented liquid of Aspergillus niger, the fermented liquid of Trichoderma alba and the fermented liquid of Saccharomyces cerevisiae is 2:3:3:1; it is specifically completed by the following steps:

[0028] Step 1. Bacillus amyloliquefaciens, Aspergillus niger, Trichoderma longum, and Saccharomyces cerevisiae are respectively set out from the inclined surface of the test tube, activated and cultured, shaken flask cultured, expanded to seed tank culture and then fermented in a fermenter to obtain amyloliquefaciens spores respectively. Bacillus fermented liquid, Aspergillus niger fermented liquid, Tr...

Embodiment 3

[0034] Example 3: In this example, the decomposing agent for straw returning to the field is obtained by separately fermenting Bacillus amyloliquefaciens, Aspergillus niger, Trichoderma longibranchus and Saccharomyces cerevisiae, and mixing the obtained fermentation liquid, wherein Bacillus amyloliquefaciens The colony forming unit number ratio of the agent fermentation liquid, Aspergillus niger agent fermentation liquid, Trichoderma longibrachiae agent fermentation liquid and Saccharomyces cerevisiae fermentation liquid is 2:3:3:1; Specifically, it is accomplished through the following steps:

[0035] Step 1. Bacillus amyloliquefaciens, Aspergillus niger, Trichoderma longibranchus, and Saccharomyces cerevisiae were respectively started from the inclined plane of the test tube, activated and cultivated, cultured in shake flasks, expanded to seed tank culture, and then fermented in a fermenter to obtain amyloliquefaciens spores respectively Bacillus agent fermentation broth, Asp...

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PUM

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Abstract

The invention relates to a thorough decomposition agent for locally returning straw to fields, and a preparation method of the thorough decomposition agent, and belongs to the technical field of thorough decomposition agents for straw. The thorough decomposition agent disclosed by the invention has the characteristics of being high in decomposition and disintegration efficiency and short in degradation time, and particularly has favorable disintegration effects at normal temperature and even low temperature. The thorough decomposition agent for locally returning straw to fields, disclosed by the invention, is prepared through the steps of performing fermentation with bacillus amyloliquefaciens, aspergillus niger, trichoderma longibrachiatum and saccharomyces cerevisiae respectively to obtain fermentation liquid, and mixing the fermentation liquid, wherein the ratio of the unit number of colonies of bacillus amyloliquefaciens agent fermentation liquid to the unit number of colonies of aspergillus niger agent fermentation liquid to the unit number of colonies of trichoderma longibrachiatum agent fermentation liquid to the unit number of colonies of saccharomyces cerevisiae fermentation liquid is 2:3:3:1. The thorough decomposition agent for locally returning straw to fields, obtained by the preparation method disclosed by the invention can promote rapid thorough decomposition ofthe straw and enable the thoroughly decomposed straw to return to the fields, can supplement soil organic matter, can sufficiently release and utilize nitrogen, phosphorus and potassium nutrients in the straw, and besides, can improve soil microorganism environment.

Description

technical field [0001] The invention belongs to the technical field of straw decomposing agent, and in particular relates to a straw decomposing agent for returning to field on site and a preparation method thereof. Background technique [0002] Straw returning is a method of applying straw as a by-product of crops to the soil directly or after stacking and decomposing. Straw contains a large amount of fresh organic materials. After returning to the farmland, after a period of decomposition, it can be transformed into organic matter and available nutrients, which can improve soil physical and chemical properties and supply certain nutrients. Straw returning to the field can promote agricultural water saving, cost saving, increase in production and efficiency, and has received full attention in environmental protection and sustainable agricultural development. [0003] Returning straw to the field has many advantages. Straw returning to the field can increase the fresh orga...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12N1/18C12N1/14C05F17/00C05F11/08C12R1/885C12R1/685C12R1/865C12R1/07
CPCC12N1/20C12N1/18C12N1/14C05F11/08Y02W30/40
Inventor 田秀伟
Owner 哈尔滨谷润生态科技发展有限公司
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