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Nano microbial fertilizer as well as preparation method and application thereof

A technology of microbial fertilizers and nanomaterials, applied in the field of nano-microbial fertilizers, can solve problems such as improper use method or dosage, failure to achieve repair effect, poor lasting effect, etc. Fertilizer effect

Inactive Publication Date: 2014-10-08
SICHUAN XINLVSHENG BIO ENG TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The research on the remediation technology of polluted soil has become the focus of environmental protection engineering science and technology research. The commonly used remediation methods for polluted soil are mostly physical and chemical methods. Its advantages are direct and fast, but the persistence is poor, and the method or dosage is not appropriate. , not only fails to achieve the repair effect, but also causes new pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] Preparation of biological strain spore powder

[0024] Biological strains include Brevibacillus lateralsporosa and Bacillus megaterium, and the preparation method and process of the spore powder of the two strains are the same. Wherein, the preparation of Brevibacillus lateralsporosa spore powder comprises the following steps:

[0025] Primary slant culture: inoculate Brevibacillus spp. on the slant of potato dextrose agar medium, and culture at 30°C for 24 hours to prepare the bacterial suspension;

[0026] Secondary seed culture: inoculate the prepared bacterial suspension into potato dextrose agar liquid medium, the inoculum amount is 1%, control the shaking table speed at 160 rpm to 200 rpm, at 25 ° C to 30 ° C Under culture 48h ~ 72h shaking culture to obtain seed liquid.

[0027] Preparation of spore powder: Spray the cultivated seed solution on the carrier and dry at a drying temperature lower than 80°C to obtain Brevibacillus lateralspora spore powder. The num...

Embodiment 1

[0029] Pour 0.2kg of Brevibacillus lateralspora spore powder; 0.2kg of Bacillus megaterium spore powder; 45kg of peat; 20kg of sepiolite; 30kg of organic fertilizer; Among them, the number of live bacteria of Brevibacillus lateralsporosa can be greater than 20 million / g, and the number of viable bacteria of Bacillus megaterium can be greater than 20 million / g.

Embodiment 2

[0031] Pour 0.5kg of Brevibacillus lateralsporosa spore powder; 0.5kg of Bacillus megaterium spore powder; 100kg of peat; 45kg of sepiolite; 45kg of organic fertilizer; Among them, the number of live bacteria of Brevibacillus lateralsporosa can be greater than 20 million / g, and the number of viable bacteria of Bacillus megaterium can be greater than 20 million / g.

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Abstract

The invention discloses a nano microbial fertilizer, comprising 0.2-0.25% of brevibacillus laterosporus spore powder, 0.2-0.25% of bacillus megaterium spore powder, 30-35% of organic fertilizer, 40-45% of organic matrix, 2-2.5% of nano material and 20-25% of carrier. Meanwhile, the invention further provides a preparation method of the nano microbial fertilizer. The nano microbial fertilizer disclosed by the invention can be used for improving the structure of soil, has an obvious repair effect on contaminated soil.

Description

technical field [0001] The invention relates to the technical field of soil repair, in particular to a nano-microbial fertilizer, a preparation method of the nano-microbial fertilizer and an application in soil repair. Background technique [0002] Soil pollution, as a problem that restricts the sustainable development of human society, is attracting more and more attention from all over the world. The main causes of soil pollution are excessive use of chemical fertilizers and chemical pesticides, improper disposal of various sewage, sludge and organic waste, accidental discharge of harmful substances, and long-term accumulation of various pollutants in the soil. Soil pollution causes secondary pollution to groundwater and surface water, and enters the human body through the food chain through drinking water or soil-plant systems, endangering human health. [0003] Soil remediation is a technical measure to restore polluted soil to normal functions. It refers to the use of ...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 禹忱叶世福
Owner SICHUAN XINLVSHENG BIO ENG TECH
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