Nitrogen fixing straw decomposing inoculant capable of inhibiting soil-borne disease

Abstract

The invention dis closes a nitrogen fixing straw decomposing inoculant capable of inhibiting a soil-borne disease. The nitrogen fixing straw decomposing inoculant capable of inhibiting the soil-borne disease mainly comprises the following materials: southern phanerochaete chrysosporium powder, streptomyces chibaensis powder, streptomyces melanosporofaciens powder, clostridium barati powder, beijerinckia fluminensis powder and asahii bacillus powder; the decomposing inoculant is prepared through complex fermentation of cellulose, lignin, the southern phanerochaete chrysosporium having a function of decomposing hemicellulose, the streptomyces chibaensis powder capable of inhibiting the soil-borne disease, the streptomyces melanosporofaciens powder, the clostridium barati having a strong nitrogen fixing capability, the beijerinckia fluminensis powder and the asahii bacillus powder. After the decomposing inoculant is applied in a field, the decomposing speed of a wheat straw is increased, the weight loss ratio of the wheat straw is remarkably increased, the tensile force of the wheat straw is remarkably reduced, the number of antagonistic bacillus and actinomycetes of soil pathogens is remarkably increased, the number of pathogenic microorganisms is remarkably reduced, and nitrogen-fixing bacteria are remarkably increased.

Description

technical field [0001] The patent of the present invention relates to a straw decomposing agent with nitrogen-fixing ability capable of inhibiting soil-borne diseases and a preparation method thereof, belonging to the technical field of agricultural microorganism application. Background technique [0002] The annual output of straw in my country is about 1 billion tons. The main component of straw is cellulose polysaccharide, and secondly, it also contains nitrogen, phosphorus, potassium and other elements needed by plants. After the straw rots, it can increase the number of soil organic matter and soil aggregates of different sizes, thereby increasing soil permeability and water holding capacity, and reducing soil compaction; cellulose decomposition can provide energy for microbial reproduction, thereby increasing [0003] Increase the number and diversity of soil microorganisms, increase the ability of soil organic matter transformation and energy transfer, and improve soi...

AI Technical Summary

Problems solved by technology

However, many decomposing agents cannot inhibit pathogenic bacteria, and growers are worried about the spread of diseases, so they will remove the straw from the farmland and pile it on the head of the field. After the straw rots, a large amount of sewage will enter the natural water body with the drainage of the farmland and natural precipitation, causing water pollution.