Microbial conditioner for activating soil selenium and preparation method thereof

A microbial agent and microbial technology, applied in the direction of fertilizer mixture, application, organic fertilizer, etc., can solve the problems of difficulty in meeting selenium intake requirements, low selenium content in soil, low selenium content, etc., and achieve significant economic and environmental benefits. Effect of improving soil structure and increasing selenium content

Inactive Publication Date: 2021-04-09
SUZHOU SETEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

72% of the regions in China are selenium-deficient areas, the soil selenium content is low, and the selenium content of crops grown on low-selenium soil is also very low, which is difficult to meet people's selenium intake needs

Method used

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  • Microbial conditioner for activating soil selenium and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A microbial conditioning agent for activating soil selenium is characterized in that it is made of the following raw materials by weight percentage: 50% of farmyard manure, 20% of limestone powder, 20% of potassium fulvic acid, and 10% of selenophilic microbial bacterial agent.

[0024] Prepare the microbial conditioner for activating soil selenium:

[0025] (1) Microbacterium oxydans YLX-2 strains were inserted into 1 mL of sterilized soybean trypsin medium, and cultured at a temperature of 30° C. and a rotation speed of 200 rpm for 8 hours.

[0026] (2) Pipette 250 μL of the bacterial solution obtained in the above (1) into 1000 mL of sterilized soybean trypsin medium, and continue to cultivate for 16 hours at a temperature of 30° C. and a rotational speed of 200 rpm to obtain a selenophilic microbial bacterial agent.

[0027] (3) Mix farmyard manure according to the weight ratio of pig manure and cow manure at 1:1, build a fermentation pile, and ferment for 5 days. ...

Embodiment 2

[0031] A microbial conditioning agent for activating soil selenium, which is composed of the following raw materials by weight percentage: 55% of farmyard manure, 15% of limestone powder, 20% of potassium fulvic acid and 10% of selenophilic microbial bacterial agent.

[0032] The finished product is made according to the following steps:

[0033] (1) Microbacterium oxydans YLX-2 was inserted into 1 mL of sterilized soybean trypsin medium, and cultured for 8 hours at a temperature of 30° C. and a rotational speed of 200 rpm.

[0034] (2) Pipette 250 μL of the bacterial solution obtained in the above steps into sterilized 1000 mL soybean trypsin medium, and continue culturing for 16 hours at a temperature of 30° C. and a rotational speed of 200 rpm to obtain a selenophilic bacterial agent.

[0035] (3) Mix farmyard manure according to the weight ratio of pig manure and cow manure at 1:1, build a fermentation pile, and ferment for 5 days.

[0036] (4) Mix the fermented farmyard ...

Embodiment 3

[0039] A microbial conditioner for activating soil selenium is prepared from the following raw materials in weight percentage: 60% of farmyard manure, 20% of limestone powder, 15% of potassium fulvic acid and 5% of selenophilic microbial bacterial agent.

[0040] The finished product is made according to the following steps:

[0041] (1) Microbacterium oxydans YLX-2 strains were inserted into 1 mL of sterilized soybean trypsin medium, and cultured at a temperature of 30° C. and a rotation speed of 200 rpm for 8 hours.

[0042] (2) Pipette 250 μL of the bacterial solution obtained in the above step (1) into 1000 mL of sterilized soybean trypsin medium, and continue culturing for 16 hours at a temperature of 30° C. and a rotational speed of 200 rpm to obtain a selenophilic bacterial agent.

[0043] (3) Mix farmyard manure according to the weight ratio of pig manure and cow manure at 1:1, build a fermentation pile, and ferment for 5 days.

[0044] (4) Mix the fermented farmyard ...

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Abstract

The invention discloses a microbial conditioner for activating soil selenium and a preparation method thereof. The microbial conditioner is prepared from the following raw materials in percentage by weight: 50-65% of farmyard manure, 15-25% of limestone powder, 10-20% of potassium fulvate and 5-10% of a selenophilic microbial agent. The invention also discloses a preparation method of the selenium-activating conditioner. The preparation method comprises the following steps: mixing farmyard manure according to the weight ratio of pig manure to cow dung to chicken manure of 2: 1: 1, establishing a fermentation pile, and fermenting for 5-7 days; uniformly mixing the fermented farmyard manure with fulvic acid and a selenophilic microbial agent in proportion, and carrying out static fermentation for 5-10 days; and uniformly mixing the fermentation product obtained in the previous step with limestone powder, drying, granulating and packaging. According to the microbial conditioner for activating the soil selenium and the preparation method thereof, the formula is reasonable, the process is simple and convenient, the organic matter content of soil can be increased, the soil structure is improved, most importantly, the soil selenium can be activated, the soil selenium is converted into an available form from a plant unavailable form, and then the selenium content of various agricultural and sideline products is increased.

Description

technical field [0001] The invention relates to a microbial conditioner for activating soil selenium and a preparation method thereof, belonging to the field of fertilizers. Background technique [0002] Selenium is an essential micronutrient element for the human body, which can participate in the regulation of the human immune system and antioxidant system. Studies have shown that appropriate amount of selenium can prevent Keshan disease, cardiovascular disease and cancer and other diseases. [0003] The human body cannot synthesize selenium by itself, and needs to supplement selenium through daily dietary intake. Selenium in the soil is directly or indirectly transferred to the human body through the food web. 72% of the regions in China are selenium-deficient areas, the soil selenium content is low, and the selenium content of crops grown on low-selenium soil is also very low, which is difficult to meet people's selenium intake needs. In order to improve the situation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/80C05G5/12
CPCC05D3/02C05G3/80C05G5/12C05F3/00C05F11/02C05F11/08
Inventor 宋佳平王张民刘志奎张泽州林锦钰王晓丽孙辰璐张宁
Owner SUZHOU SETEK
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