Composite microorganism preparation for degrading organophosphorus pesticide and preparation method of composite microorganism preparation

A technology of compound microorganisms and organophosphorus pesticides, which is applied in the field of compound microorganism preparations for degrading organophosphorus pesticides and its preparation, achieving the effects of broad application prospects, improved efficiency, and reduced dosage

Active Publication Date: 2018-02-16
辽宁康缘益生生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a high possibility of antagonism between different microorganisms. Screening a reasonable microbial preparation to effectively degrade organophosphorus pesticides is a technical problem that we need to solve.

Method used

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  • Composite microorganism preparation for degrading organophosphorus pesticide and preparation method of composite microorganism preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A composite microbial preparation that degrades organophosphorus pesticides, which is prepared from a composite bacterial solution and a carrier according to a mass ratio of 1:1.5;

[0030] Specifically, the preparation method of the composite microbial preparation includes the following steps:

[0031] The composite bacterial liquid was added to a carrier of 1.5 times the mass, stirred at 200 rpm for 3 minutes, and then dried at a low temperature at a drying temperature of 20° C., and a moisture content of 6 wt% after drying, and packaged, ready to be obtained.

[0032] The carrier is made by mixing cassava residue, straw powder and turf soil according to a mass ratio of 2:2:1;

[0033] The compound bacterial liquid is prepared according to the following steps:

[0034] Take 200mg acephate, 30g sucrose, 20g molasses, 20g soybean meal, (NH 4 ) 2 SO 4 5g, K 2 HPO 4 1g, KH 2 PO 4 1g, MgSO 4 0.5g, FeSO 4 0.1g, CaCl 2 Add 0.1g to the water, adjust the pH to 6.8, and adjust the ...

Embodiment 2

[0037] A composite microbial preparation for degrading organophosphorus pesticides, which is prepared from a composite bacterial solution and a carrier according to a mass ratio of 1:2;

[0038] Specifically, the preparation method of the composite microbial preparation includes the following steps:

[0039] The composite bacterial liquid is added to a carrier of 2 times the mass, stirred at 200 rpm for 3 minutes, and then dried at a low temperature at a drying temperature of 20° C. and a moisture content of 6 wt% after drying. Packaged, ready to be obtained.

[0040] The carrier is made by mixing cassava residue, straw powder and turf soil according to a mass ratio of 2:2:1;

[0041] The compound bacterial liquid is prepared according to the following steps:

[0042] Take 200mg acephate, 30g sucrose, 20g molasses, 20g soybean meal, (NH 4 ) 2 SO 4 5g, K 2 HPO 4 1g, KH 2 PO 4 1g, MgSO 4 0.5g, FeSO 4 0.1g, CaCl 2 Add 0.1g to the water, adjust the pH to 6.8, and adjust the volume to 1...

Embodiment 3

[0045] The method of using the compound microbial preparation of the present invention includes the following steps:

[0046] First break up the soil blocks on the soil surface, then spray water to control the soil moisture content to 30-40wt%, and then evenly spread the compound microbial preparation on the soil surface at an application rate of 100g / ton of soil, and then immediately plow the surface of 10cm Soil, mix the compound microbial preparation with the surface soil evenly, 24 hours later, plow again at a depth of 20cm; then sow the compound microbial preparation at an application rate of 100g / ton of soil. After 24 hours, detect the organic phosphorus in the soil Pesticide content; total repair time is 48 hours.

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Abstract

The invention belongs to the technical field of microorganisms, and discloses a composite microorganism preparation for degrading an organophosphorus pesticide. The composite microorganism is made bymixing a composite bacterium liquid with a carrier at a mass ratio of 1:1-3. Bacterial strains in the composite microorganism preparation reasonably match, co-exist and coordinate, and don't antagonize each other. The preparation is high in activity and efficiently treats the residue of the organophosphorus pesticide in soil.

Description

Technical field [0001] The invention belongs to the technical field of microorganisms, and specifically relates to a composite microbial preparation for degrading organophosphorus pesticides and a preparation method thereof. Background technique [0002] Chemical pesticides play a huge role in the prevention and control of crop diseases, pests and weeds to eliminate sanitary pests, diseases, etc., and promote the development of modern agriculture with their advantages such as quick effect, control spectrum, stable properties, easy transportation, and low price. Organophosphorus pesticides are still the most used category of pesticides due to their wide variety, high efficacy, and broad control range. They play a pivotal role in agricultural production. The production and use of organophosphorus pesticides in my country account for pesticides More than half of the total production and usage. However, organophosphorus pesticides are highly toxic. After long-term and large-scale use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/14C12N1/20A62D3/02C12R1/01C12R1/685C12R1/40C12R1/46
CPCA62D3/02A62D2101/04A62D2101/26C12N1/14C12N1/20
Inventor 李萍王国民朱连军
Owner 辽宁康缘益生生物科技有限公司
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