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Microbial preparation for improving heavy metals in soil

A microbial agent, a technology for improving soil, applied in the field of soil conditioner and microbial agent for improving soil heavy metals, can solve the problems of difficult governance, complicated migration and transformation of soil heavy metal pollutants, etc., and achieve the effect of efficient degradation and meeting the needs of social and economic development.

Inactive Publication Date: 2016-07-20
XIAMEN RENTIANJING AGRI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the migration and transformation of soil heavy metal pollutants is very complicated, and the treatment is extremely difficult. Therefore, it is urgent to develop reagents, methods and technologies that can quickly and effectively improve soil heavy metals

Method used

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  • Microbial preparation for improving heavy metals in soil

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Mix the soil improving microbial agent with rice bran or wheat bran at a mass ratio of 1:5 and evenly spray it on the land. 100 million / g), actinomycetes 1kg (concentration: 330-350 million / g), lactic acid bacteria 1kg (concentration: 110-150 million / g), yeast 1kg (concentration: 200-300 million / g) , Bacillus subtilis 2kg (concentration is 600-800 million / g), Bacillus thuringiensis 1kg (concentration is 100-200 million / g), Bacillus megaterium 1kg (concentration is 500-600 million / g), nitrogen fixation Bacteria 1kg (concentration is 200-300 million / g), Citrobacter 1kg (concentration is 200-250 million / g), Bacillus licheniformis 2kg (concentration is 110-150 million / g). The rice bran or wheat bran used here can also be replaced by other materials, including soybean dregs, rice flour, distiller's grains and other grains rich in nutrients. Because rice bran or wheat bran is cheap and can meet the nutritional needs of microorganisms, it is recommended to use rice bran or whe...

Embodiment 2

[0028] Mix the soil-improving microbial agent with distiller's grains at a mass ratio of 1:10 and evenly spray it on the sorghum field. The main component of the soil-improving microbial agent is microbial flora, specifically including 1kg of photosynthetic bacteria (with a concentration of 110 to 150 million / g), Actinomycetes 1kg (concentration: 3.3-350 million / g), lactic acid bacteria 1kg (concentration: 1.1-150 million / g), yeast 1kg (concentration: 2-300 million / g), Bacillus subtilis Bacillus 2kg (concentration is 600-800 million / g), Bacillus thuringiensis 1kg (concentration is 100-200 million / g), Bacillus megaterium 1kg (concentration is 500-600 million / g), nitrogen-fixing bacteria 1kg ( The concentration is 200-300 million / g), 1kg of Citrobacter (concentration is 200-250 million / g), and Bacillus licheniformis 2kg (concentration is 110-150 million / g). The usage amount of the soil improving microbial agent is 3kg / mu, then plow the ground, make the soil fully contact with ...

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Abstract

The invention discloses a microbial preparation for improving heavy metals in soil. The microbial preparation comprises photosynthetic bacteria, actinomycetes, lactic acid bacteria, saccharomycetes, bacillus subtilis, bacillus thuringiensis, bacillus megatherium, nitrogen-fixing bacteria, citric acid germs, bacillus licheniformis and a matrix for providing nutrition for the flora. The microbial preparation for improving the heavy metals in soil can degrade the heavy metals in the soil safely and efficiently in an environment-friendly manner, and can meet the demand for social and economic development.

Description

technical field [0001] The invention belongs to the technical field of soil treatment and relates to a soil improver, in particular to a microbial agent for improving soil heavy metals. Background technique [0002] Soil is an important natural resource for human survival and development. However, the current national soil environment is not optimistic. Some areas have serious soil pollution. The quality of cultivated land soil environment is worrying. Man-made activities such as industry, mining, agriculture, and high background values ​​of the soil environment are the main causes of soil pollution or exceeding standards. The total exceeding rate of national soil is 16.1%, of which the proportions of slightly, lightly, moderately and heavily polluted sites are 11.2%, 2.3%, 1.5% and 1.1% respectively. Inorganic pollutants are the main type of pollution, followed by organic pollutants, and compound pollutants account for 82.8% of the total. [0003] From the perspective of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/16B09C1/10C12R1/125C12R1/07C12R1/11C12R1/065C12R1/10
CPCC12N1/20B09C1/105C12N1/16
Inventor 陈家和孔海燕陈丞彦
Owner XIAMEN RENTIANJING AGRI TECH CO LTD
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