Soil improvement microbial agent and preparation method thereof

A microbial agent and soil improvement technology, which is applied in the direction of fertilizer mixture, fertilization device, application, etc., can solve the problems of soil degradation, soil compaction, and damage to soil structure in cultivated land, and achieve the effect of soil improvement

Active Publication Date: 2015-09-09
DEZHOU YUANHE AGRI TECH DEVCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the overall level of scientific fertilization in China is not high, and the application of chemical fertilizers has become the main measure to increase agricultural production. The long-term use of chemical fertilizers such as nitrogen and phosphorus will damage the soil structure, resulting in soil compaction, soil degradation of cultivated land, shallowing of the cultivated layer, and water conservation.

Method used

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  • Soil improvement microbial agent and preparation method thereof
  • Soil improvement microbial agent and preparation method thereof
  • Soil improvement microbial agent and preparation method thereof

Examples

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Effect test

preparation example Construction

[0016] The preparation method of above-mentioned soil-improving type microbial bacterial agent, comprises the steps:

[0017] (1) Bacillus subtilis (Bacillus subtilis), Bacillus laterosporus (Bacillus laterosporus) and jelly-like Bacillus (Bacillus mucilaqinosus) were respectively expanded and cultured, and after pressure filtration and flash drying, they were mixed in proportion to prepare Obtain mixed microbial fermentation powder;

[0018] (2) Naturally aging and cleaning oyster shells, drying, calcining at 750-1250°C for 30-40 minutes, crushing and sieving to obtain oyster shell powder;

[0019] (3) The mixed microbial fermentation powder prepared in step (1), the oyster shell powder prepared in step (2), magnesium sulfate, zinc sulfate, and boric acid are uniformly mixed in proportion to prepare a soil-improving microbial bacterial agent.

[0020] Preferably according to the present invention, in described step (1), Bacillus subtilis (Bacillus subtilis), Bacillus lateros...

specific Embodiment approach

[0040] The technical solutions of the present invention will be further described below in conjunction with the examples, but the protection scope of the present invention is not limited thereto.

[0041] microbial source

[0042]Bacillus subtilis (Bacillus subtilis) comes from the China Agricultural Microorganism Culture Collection Management Center, and the strain number is ACCC 03120;

[0043] Bacillus laterosporus (Bacillus laterosporus) was obtained from the China Agricultural Microorganism Culture Collection and Management Center, and the strain number was ACCC 11079.

[0044] Bacillus mucilaqinosus was obtained from China Industrial Microorganism Culture Collection and Management Center, with the strain number CICC 21700;

[0045] culture medium

[0046] Solid slant medium for Bacillus subtilis and Bacillus laterosporus with the following components per liter:

[0047] Peptone 10g, beef powder 3.0g, sodium chloride 5.0g, agar 15.0g, add distilled water to 1000mL, adj...

Embodiment 1

[0053] A soil-improving microbial bacterial agent is characterized in that the components are as follows, all in parts by weight:

[0054] 4 parts of mixed microbial fermentation powder, 86 parts of oyster shell powder, 5 parts of magnesium sulfate, 2 parts of zinc sulfate, and 3 parts of boric acid;

[0055] The mixed microbial fermentation powder contains Bacillus subtilis (Bacillus subtilis), Bacillus laterosporus (Bacillus laterosporus) and jelly-like Bacillus (Bacillus mucilaqinosus) in a ratio of 1:1:3, and the soil improvement The effective number of live bacteria of the type microbial agent is 4.4×10 8 pcs / g.

[0056] The preparation method of above-mentioned soil-improving type microbial bacterial agent, comprises the steps:

[0057] (1) Bacillus subtilis (Bacillus subtilis), Bacillus laterosporus (Bacillus laterosporus) and jelly-like Bacillus (Bacillus mucilaqinosus) were expanded and cultured respectively, after pressure filtration, flash drying, and serial dilut...

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Abstract

The invention relates to a soil improvement microbial agent and a preparation method thereof. The soil improvement microbial agent comprises following components: mixed microbial fermentation powder, oyster shell powder, magnesium sulfate, zinc sulfate, and boric acid. The invention further relates to a preparation method of the soil improvement microbial agent. The soil improvement microbial agent is prepared by mixing the mixed microbial fermentation powder, with oyster shell powder and other microelements, wherein the mixed microbial fermentation powder is obtained from combination of bacillus subtilis, bacillus mucilaginosus, and bacillus laterosporus, which have a promotion effect on one another. The three kinds of bacteria can promote adsorption of oyster shell powder and other nutrients, can totally improve microflora composition of the soil, enhance microbial activity of crop rhizosphere, enhance ability of potassium release, and improve soil fertility. The bacteria have no side effect on crops in the soil, can supplement calcium element to the crops, and increase disease and insect pest resistance of plants.

Description

technical field [0001] The invention relates to a soil-improving microbial bacterial agent and a preparation method thereof, belonging to the technical field of microbial bacterial agents. technical background [0002] my country is a big agricultural country. Fertilizer plays a very important role in my country's grain production and is one of the largest material investments in farmers' productive investments. At present, the overall level of scientific fertilization in China is not high, and the application of chemical fertilizers has become the main measure to increase agricultural production. The long-term use of chemical fertilizers such as nitrogen and phosphorus will damage the soil structure, resulting in soil compaction, soil degradation of cultivated land, shallowing of the cultivated layer, and water conservation. Fertilizer capacity decreases, pollutes the ecological environment, and directly affects the continuous increase in crop production, agricultural quali...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
Inventor 展彬杨瑞李环环张永存王延东赵刚勇
Owner DEZHOU YUANHE AGRI TECH DEVCO
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