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A kind of microbial compound fertilizer and preparation method thereof

A technology of compound fertilizer and microbial inoculum, applied in the direction of organic fertilizer, can solve the problems of unreasonable compatibility, single function, insufficient nutrition, etc., and achieve the effect of beautiful color, promotion of ecological environment and rich nutrition.

Active Publication Date: 2017-01-04
TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although there are many kinds of microbial fertilizer products at present, most of them have problems such as insufficient nutrition, single function, and unreasonable compatibility.

Method used

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  • A kind of microbial compound fertilizer and preparation method thereof
  • A kind of microbial compound fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Preparation of microbial agent

[0020] Use selective medium Asube medium (mannitol 1%, potassium dihydrogen phosphate 0.02%, magnesium sulfate 0.02%, sodium chloride 0.02%, calcium sulfate 0.01%, calcium carbonate 0.5%, pH 7.0) from the environment Screen the microorganisms with nitrogen-fixing ability in the middle, and determine their nitrogen-fixing ability by the acetylene reduction method, and select microorganisms with strong nitrogen-fixing ability.

[0021] Utilize inorganic phosphorus selective medium (sodium chloride 0.03%, magnesium sulfate 0.03%, potassium chloride 0.03%, ammonium sulfate 0.05%, ferrous sulfate 0.003%, manganese sulfate 0.003%, calcium phosphate 0.5%, glucose 1% , PH7.0) Screen the microorganisms with the ability to solubilize phosphorus from the environment, and determine their ability to solubilize phosphorus by the molybdenum antimony colorimetric method, and select microorganisms with strong ability to solubilize phosphorus.

[002...

Embodiment 2

[0026] Example 2: Preparation of microbial compound fertilizer

[0027] The microbial agent prepared in Example 1 is adsorbed with humic acid, and the adsorption ratio volume (L) / mass (kg) is the bacterial solution: humic acid=1:34, and then stir uniformly. Stirring after humic acid adsorption is based on looseness and no agglomeration. After drying in a cool place, add 30% fertilizer. The components and ratios of the fertilizer are: potassium dihydrogen phosphate: diammonium phosphate is 1:4.44.

[0028] Application Effect of Microbial Compound Fertilizer on Cucumber Planting

[0029] 1), test soil

[0030] Previous crop: corn

[0031] Soil type: black soil

[0032] Soil analysis results: pH: 6.8, organic matter: 23.5g / kg, total nitrogen: 1.42g / kg, total phosphorus: 107mg / kg, total potassium: 3.1g / kg, slow-acting potassium: 270mg / kg, hydrolyzable nitrogen: 147mg / kg, available potassium: 376mg / kg, available phosphorus: 6mg / kg.

[0033] 2) Varieties tested: Jinpin Xinxiu Cucumber

[003...

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Abstract

The invention provides a microbial bacterial agent, which includes Arrowella cohesinus, Acinetobacter calcoacetate and Flavobacterium springus. The present invention also provides a kind of compound fertilizer, comprises microbial bacterial agent and humic acid and inorganic fertilizer; wherein the quantity of microbial bacterial agent is 1~500 million / gram, and the mass ratio of humic acid and inorganic fertilizer is 7: 3. The inorganic fertilizer contains nitrogen, phosphorus and potassium, and the ratio of N:P2O5:K2O is 8:30:4. The microbial compound fertilizer of the invention is rich in nutrition, has comprehensive functions, and can significantly improve the yield and quality of cucumbers. Compared with ordinary chemical fertilizers, under the same amount of input, the yield can be increased by 10‑60%, and the soluble sugar can be increased by 10‑20%.

Description

Technical field [0001] The invention belongs to the technical field of microbial fertilizers, and specifically relates to a microbial compound fertilizer and a preparation method thereof. Background technique [0002] The extensive use of chemical fertilizers has made food safety, ecological environment protection and sustainable use of resources the three major issues facing the world’s agricultural development today, and they are also major issues related to my country’s national economy and people’s livelihood. Microbial fertilizers have the characteristics of improving soil fertility, improving fertilizer utilization, reducing the content of nitrate nitrogen, heavy metals, and pesticides in agricultural products, improving the quality and safety of agricultural products, purifying and repairing the soil ecological environment, and improving crop resistance. The promotion and use of microbial fertilizers is an important support for maintaining and improving soil fertility, mai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05F11/08
Inventor 王敬敬黄志勇银婷婷柳影梁亚杰王兴彪
Owner TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI
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