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Straw-decomposition composite microbial preparation and preparation method thereof

A technology of composite microorganisms and rice straw, which is applied in the field of rice straw decomposing composite microbial preparations and its preparation, to achieve the effects of reducing investment, facilitating migration, and improving soil physical and chemical properties

Active Publication Date: 2013-07-10
南昌市亿隆达生物科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]However, due to the phenomenon of "nitrogen competition" between microorganisms and crops in the process of straw decomposition, rice straw returning to the field will also affect the growth of crops in the case of improper management

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1: A kind of rice straw decomposing compound microbial preparation, it is formulated by following mass percent raw material:

[0040] bacteria mass percentage bacteria mass percentage Achromobacter xylosoxidans 12% Bacillus megaterium 8% Bacillus welcheei 14% staphylococcus 10% Bacillus amyloliquefaciens 12% Aspergillus niger 44%

[0041] The Aspergillus niger, Achromobacter xyloseoxidans, Bacillus welschii, Bacillus amyloliquefaciens, Bacillus megaterium and Staphylococcus in the table are all preserved in the General Microorganism Center of China Committee for Culture Collection of Microorganisms, referred to as CGMCC.

[0042] A preparation method of rice straw decomposing compound microbial preparation, the steps are:

[0043] 1. Separate expansion culture of each strain:

[0044] 1) Cultivation of Aspergillus niger: Inoculate Aspergillus niger on potato medium (refer to microbiology experiment textbook) at a...

Embodiment 2

[0053] A kind of rice straw decomposing compound microbial preparation, it is formulated by following mass percent raw material:

[0054] bacteria mass percentage bacteria mass percentage Achromobacter xylosoxidans 20% Bacillus megaterium 15% Bacillus welcheei 10% staphylococcus 5% Bacillus amyloliquefaciens 20% Aspergillus niger 30%

[0055] The Aspergillus niger, Achromobacter xyloseoxidans, Bacillus welschii, Bacillus amyloliquefaciens, Bacillus megaterium and Staphylococcus in the table are all preserved in the General Microorganism Center of China Committee for Culture Collection of Microorganisms, referred to as CGMCC.

[0056] Its preparation steps are identical with embodiment 1.

test example 1

[0057] Test case 1: The rice straw decomposing compound microbial preparation test was carried out in Yangxi Village, Wenzhen Town, Jinxian County, Jiangxi Province in the late season of 2009. The pH value of the tested soil is 6.5, and the organic matter content is 42.3 g·kg -1 , total nitrogen 1.87 g·kg -1 , alkaline hydrolyzed nitrogen 151 mg·kg -1 , available phosphorus 6.0mg·kg -1 , available potassium 178 mg·kg -1 . The previous stubble was early rice, and after the early rice was harvested, it was machine-cut and returned to the field in full. The rice straw was cut into 10 cm length by the harvester, and then transplanted by rotary tillage.

[0058] Four treatments were set up in the experiment: (1) Control without rice straw returning to the field, that is, all the early rice straw after mechanical harvesting was removed from the test field; (2) Full amount of rice straw was returned to the field; (3) Full amount of rice straw was returned to the field + rice st...

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Abstract

The invention relates to a straw-decomposition composite microbial preparation and a preparation method thereof. The straw-decomposition composite microbial preparation disclosed by the invention is prepared by mixing bacillus weihenstephanensis, bacillus amyloliquefaciens, bacillus megaterium, staphylococci, achromobacter xylosoxidans and aspergillus niger according to certain mass percent, is suitable for directly returning all rice straws to the field, can outstandingly accelerate the decomposition speed of straws, is favorable to transferring the transplanting stubble, can increase the organic content, enhance the soil enzyme activity, improve the soil physicochemical property and enhance the rice yield in a next season, and can also improve the soil, enhance the water and fertilizer utilization ratio, reduce the fertilizer, increase the efficiency, reduce the pollution of straw incineration on the environment and achieve the outstanding integrated benefit.

Description

technical field [0001] The invention relates to a microbial preparation, which belongs to the technical field of microorganisms, and is used for returning rice straw directly to the field in full, in particular to a rice straw decomposing composite microbial preparation and a preparation method and a use method thereof. Background technique [0002] my country's annual output of rice straw is about 200 million tons, which is not only rich in resources and renewable, but also contains a large amount of nitrogen, phosphorus, potassium, silicon and rich organic matter. Rice straw burning not only causes a great waste of resources and serious pollution to the environment, but also greatly reduces the input of soil organic matter, which seriously affects the sustainable cultivation of soil. Returning straw to the field can effectively increase the accumulation of soil organic matter and nutrient content; change the composition and characteristics of soil humus; improve the phys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/14C09K17/00C12R1/025C12R1/11C12R1/07C12R1/44C12R1/685C09K101/00
Inventor 倪国荣涂国全魏赛金潘晓华
Owner 南昌市亿隆达生物科技开发有限公司
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