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Potassium decomposition bacteria, preparation method and application thereof

A technology of potassium-dissolving bacteria and cocci, which is applied in the field of microorganisms, can solve problems such as soil compaction, increase utilization rate, and decrease of organic matter content, and achieve the effects of improving nutrient absorption, increasing quantity, and improving soil quality

Active Publication Date: 2012-10-24
MICROBIAL FERMENTATION ENG RES CENT CO LTD OF YUNNAN PROVINCE
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Problems solved by technology

[0002] The development of modern agriculture is accompanied by the extensive use of chemical fertilizers. While increasing production and income, it also leads to soil compaction, a decrease in organic matter content, an imbalance of microorganisms in the soil, soil acidification, and an increase in heavy metal content. At the same time, the loss of fertilizers will also cause water pollution.
At present, there is no literature report and application of a series of agricultural microbial agent fertilizer potassium-dissolving bacteria. The agricultural microbial agent series fertilizer can not only effectively improve soil quality, but also enhance the resistance of crops and increase the utilization rate of fertilizers by crops. Reduce environmental pollution and adjust the balance of microorganisms in the soil

Method used

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  • Potassium decomposition bacteria, preparation method and application thereof
  • Potassium decomposition bacteria, preparation method and application thereof
  • Potassium decomposition bacteria, preparation method and application thereof

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Embodiment Construction

[0047] Potassium-dissolving bacterium of the present invention is prepared by the following method:

[0048] 1) Cultivation of fermented seeds: Select the pure and excellent target bacteria cultivated in the laboratory to inoculate the seed tanks, and carry out shaking or stirring culture for 1-3 days after inoculation, and the concentration of the bacteria reaches 10 10 Above, the medium is: peptone 5g (or 15g), beef extract 3g (or 8g), sodium chloride 3g (or 8g), water 1000ml, pH7.2 (or 7.4);

[0049] 2) Sterilization of fermenter and medium: first sterilize the fermenter, add medium to the fermenter, and steam sterilize the medium, control the pressure 0.1-0.15Mpa, temperature 121-125°C, sterilize for 20min- 30min, naturally cool to 30°C, pressurize, the medium is the same as the above seed medium;

[0050] 3) Fermentation tank inoculation: Inoculate under sterile conditions, introduce the seed liquid into the fermentation tank, and maintain a positive pressure of 0.03...

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Abstract

The present invention relates to a strain of potassium decomposition bacteria, a preparation method and an application thereof, wherein a classification name of the potassium decomposition bacteria is Roseateles.sp, and a preservation number is CGMCCNo.5856. With potassium decomposition bacteria fermentation, the resulting fermentation broth can be directly adopted as an agricultural microbe potassium decomposition bacterial agent fertilizer. With culture of tobacco leaves by using microbial fertilizer products with functions of phosphorus dissolution and potassium decomposition and produced by the potassium decomposition bacteria of the present invention, investigation results show that: due to direct microbe effects of phosphorus dissolution, potassium decomposition and the like, soil quality is improved, number of beneficial microbe in the soil is increased, nutritional balance in the soil is regulated, uneasily-absorbed nutrients in the soil are released, and nutrition absorption of tobacco plants is improved.

Description

technical field [0001] The invention relates to the technical field of microorganisms, in particular to a potassium-dissolving bacterium and its preparation method and application. Background technique [0002] The development of modern agriculture is accompanied by the extensive use of chemical fertilizers. While increasing production and income, it also leads to soil compaction, a decrease in organic matter content, an imbalance of microorganisms in the soil, soil acidification, and an increase in heavy metal content. At the same time, the loss of fertilizers can also cause water pollution. At present, there is no literature report and application of a series of agricultural microbial agent fertilizer potassium-dissolving bacteria. The agricultural microbial agent series fertilizer can not only effectively improve soil quality, but also enhance the resistance of crops and increase the utilization rate of fertilizers by crops. Reduce environmental pollution and adjust the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C05F11/08C12R1/01
Inventor 杨发祥尚海丽张琪
Owner MICROBIAL FERMENTATION ENG RES CENT CO LTD OF YUNNAN PROVINCE
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