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Bio-organic fertilizer with acetochlor degradation function and preparation method and application thereof

A bio-organic fertilizer and acetochlor technology, applied in the application, fertilization device, fertilizer mixture and other directions, can solve the problems of easy residue, non-volatile and photolysis, long half-life, etc., and achieve a wide degradation spectrum, efficient degradation, high fertilizer efficiency. Effect

Inactive Publication Date: 2015-12-30
INST OF AGRO FOOD SCI & TECH SHANDONG ACAD OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the long half-life, low volatility and photolysis, easy residue, great harm to humans and animals, and potential carcinogenicity, excessive and frequent use of such herbicides leads to serious environmental risks.

Method used

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  • Bio-organic fertilizer with acetochlor degradation function and preparation method and application thereof
  • Bio-organic fertilizer with acetochlor degradation function and preparation method and application thereof
  • Bio-organic fertilizer with acetochlor degradation function and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The preparation method of the bio-organic fertilizer with the effect of degrading acetochlor comprises the following steps:

[0059] Preparation of immobilized carrier:

[0060] (1) Take seaweed and dry it until its moisture content reaches 40%;

[0061] (2) Add a starter to the above seaweed, the starter is a composite bacterial agent of Aspergillus oryzae, Trichoderma viride, Bacillus subtilis, and Bacillus cereus, the amount added accounts for 2.5‰ of the weight of the raw seaweed, and it is fermented at 40°C 12 days;

[0062] The weight ratio of Aspergillus oryzae, Trichoderma viride, Bacillus subtilis and Bacillus cereus is 1:3:2:1;

[0063] (3) drying the fermented seaweed in step (2) until its moisture content is 20%, and pulverizing it to 5 mesh;

[0064] (4) adding an alkaline substance to the material in step (3), adjusting the pH of the material to 6.5, and stirring evenly to obtain an immobilized carrier;

[0065] Preparation of bio-organic fertilizer: ...

Embodiment 2

[0070] The preparation method of the bio-organic fertilizer with the effect of degrading acetochlor comprises the following steps:

[0071] Preparation of immobilized carrier:

[0072] (1) Take seaweed and dry it until its moisture content reaches 35%;

[0073] (2) Add a starter to the above seaweed, the starter is a composite bacterial agent of Aspergillus oryzae, Trichoderma viride, Bacillus subtilis, and Bacillus cereus, the amount added accounts for 2‰ of the weight of the raw seaweed, and ferment at 37°C 10 days;

[0074] The weight ratio of Aspergillus oryzae, Trichoderma viride, Bacillus subtilis and Bacillus cereus is 1:3:2:1;

[0075] (3) drying the fermented seaweed in step (2) until its water content is 15%, and pulverizing it to 4 meshes;

[0076] (4) adding an alkaline substance to the material in step (3), adjusting the pH of the material to 7.0, and stirring evenly to obtain an immobilized carrier;

[0077] Preparation of bio-organic fertilizer:

[0078] Rh...

Embodiment 3

[0080] The preparation method of the bio-organic fertilizer with the effect of degrading acetochlor comprises the following steps:

[0081] Preparation of immobilized carrier:

[0082] (1) Take seaweed and dry it until its moisture content reaches 55%;

[0083] (2) Add a starter to the above seaweed, the starter is a composite bacterial agent of Aspergillus oryzae, Trichoderma viride, Bacillus subtilis, and Bacillus cereus, the amount of which accounts for 4‰ of the weight of the raw seaweed, and ferment at 45°C 15 days;

[0084] The weight ratio of Aspergillus oryzae, Trichoderma viride, Bacillus subtilis and Bacillus cereus is 1:3:2:1;

[0085] (3) drying the fermented seaweed in step (2) until its water content is 20%, and pulverizing it to 10 meshes;

[0086] (4) adding an alkaline substance to the material in step (3), adjusting the pH of the material to 7.5, and stirring evenly to obtain an immobilized carrier;

[0087] Preparation of bio-organic fertilizer:

[0088...

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Abstract

The invention belongs to the field of biofertilizers, particularly relates to a bio-organic fertilizer with an acetochlor degradation function, and further relates to a preparation method and application of the bio-organic fertilizer. The bio-organic fertilizer comprises the following main materials: a microbial agent and an immobilized carrier, wherein the microbial agent is rhodococcus, namely, (Rhodococcus sp.)AC-1, preserved in the China General Microbiological Culture Collection Center on Apr. 30th, 2015 with the preservation number of CGMCC NO.10778; the immobilized carrier is a seaweed fertilizer fermented by a leavening agent. The bio-organic fertilizer is high in fertilizer efficiency; compared with a common bio-organic fertilizer, the bio-organic fertilizer provided by the invention adopts rhodococcus as the microbial agent, can efficiently degrade alachlor, acetochlor and butachlor, has a relatively wide degradation spectrum; owing to the favorable degradation property of the bacterial strain AC-1, a foundation is laid for applying the bio-organic fertilizer to bio-remediation of environments contaminated by chloroacetamide herbicides.

Description

technical field [0001] The invention belongs to the field of biological fertilizers, and in particular relates to a biological organic fertilizer capable of degrading acetochlor, and also relates to a preparation method and application of the biological organic fertilizer. Background technique [0002] Organic biofertilizer is mainly derived from plants and (or) animals, and is applied to the soil to provide plant nutrition as a carbon-containing material whose main function is. Processed from biomass, animal and plant waste, and plant residues, it eliminates toxic and harmful substances and is rich in a large number of beneficial substances. Common organic biofertilizers generally only provide nutrients for crops, and rarely have the ability to degrade certain types of fertilizers in soil. Pesticide bio-fertilizers are on the market, especially bio-organic fertilizers that can degrade acetochlor. [0003] Acetochlor, also known as He Naisi and Xiaocaoan, chemically named 2...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 杜方岭陈相艳周庆新刘孝永蒋建东洪青李顺鹏张翔陈蕾蕾王军华
Owner INST OF AGRO FOOD SCI & TECH SHANDONG ACAD OF AGRI SCI
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