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A kind of biological drip irrigation saline-alkali soil improver and preparation method

A saline-alkali soil improvement and soil improver technology, which is applied in the direction of chemical instruments and methods, fertilizer mixtures, soil conditioning materials, etc., can solve the problems of poor water solubility and low biological activity, achieve bacterial strain stabilization, improve saline-alkali soil, and improve The effect of resilience

Active Publication Date: 2019-04-02
XINJIANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there are mainly two types of salinity modifiers on the market, namely liquid type and solid type. The liquid humic acid content is less than 10%, and the solid type is mostly composed of chemical fertilizers and weathered coal humic acid, but the water solubility is poor. , used as basal fertilizer to improve soil
Most of the solid saline-alkali soil improvers have poor water solubility and low biological activity

Method used

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  • A kind of biological drip irrigation saline-alkali soil improver and preparation method
  • A kind of biological drip irrigation saline-alkali soil improver and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] a. Preparation of dry powder bacterial agent: Bacillus megaterium, Bacillus licheniformis and Bacillus coagulans are respectively subjected to slope activation, expanded cultivation, centrifugal concentration and spray drying according to conventional methods, and then mixed in a mass ratio of 1:1:3 to obtain Dry powder bacterial agent;

[0019] b. Stir 0.5% of the dry powder bacterial agent and 20% of potassium fulvic acid according to the percentage by weight, mix and set aside;

[0020] c. Break 5% urea, 2.5% monoammonium phosphate, and 2% potassium nitrate into 20 meshes by conventional methods, then mix them with 70% amino acid and the mixture obtained in step a, and then pack them to obtain biological drip irrigation saline-alkali soil improvement agent.

Embodiment 2

[0022] a. Preparation of dry powder bacterial agent: Bacillus megaterium, Bacillus licheniformis and Bacillus coagulans are respectively subjected to slope activation, expanded cultivation, centrifugal concentration and spray drying according to conventional methods, and then mixed in a mass ratio of 1:1:3 to obtain Dry powder bacterial agent;

[0023] b. Stir 0.5% dry powder bacterial agent and 15% potassium fulvic acid evenly, and mix for later use;

[0024] c. Break 10% of urea, 5% of monoammonium phosphate, and 4.5% of potassium nitrate into 20 meshes by conventional methods, and then mix them evenly with 65% of amino acids and the mixture obtained in step a, and then pack them to obtain biological drip irrigation saline-alkali soil improvement agent.

Embodiment 3

[0026] a. Preparation of dry powder bacterial agent: Bacillus megaterium, Bacillus licheniformis and Bacillus coagulans are respectively subjected to slope activation, expanded cultivation, centrifugal concentration and spray drying according to conventional methods, and then mixed in a mass ratio of 1:1:3 to obtain Dry powder bacterial agent;

[0027] b. Stir 0.5% dry powder bacterial agent and 17% potassium fulvic acid evenly, and mix them for later use;

[0028] c. Break 8% of urea, 3% of monoammonium phosphate, and 3.5% of potassium nitrate into 20 meshes by conventional methods, and then mix them evenly with 68% of amino acids and the mixture obtained in step a, and then pack them to obtain biological drip irrigation saline-alkali soil improvement agent.

[0029] The biotype drip irrigation saline-alkali soil improver of the present invention was carried out field comparative tests in Kashi, Hotan, Aksu, and Changji in 2013, 2014, and 2015, respectively. Apply 20kg; tot...

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Abstract

The invention discloses a bio-type drip irrigation saline-alkaline soil improver and a preparation method thereof. According to the present invention, the bio-type drip irrigation saline-alkaline soil improver is prepared from amino acids, potassium fulvate, urea, monoammonium phosphate, potassium nitrate and dry powder fungicide, has good water solubility, can be used through the drip tube system, can rapidly reduce the salt content and the pH value of soil, further has effects of saline-alkaline land improving, biological activity, crop growth promoting, crop yield increasing and crop quality improving, and can effectively improve the soil fertility and increase the crop yield after the long-term use of the bio-type drip irrigation saline-alkaline soil improver, wherein the strain of the used dry powder fungicide is stable, and the spore has strong tolerance and strong adaptability.

Description

technical field [0001] The invention relates to a biological type drip irrigation saline-alkali soil improver and a preparation method thereof, belonging to the field of soil improvement. Background technique [0002] Soil salinization is the main soil problem facing our country. There are more than 20 million hectares of saline wasteland and 6.7 million hectares of salinized land in our country, which cannot be cultivated normally. Saline-alkali soil refers to harmful salts such as potassium, sodium, calcium and magnesium chlorides, sulfates, and bicarbonates in the soil. The main characteristics of saline-alkali soil are high pH value, containing harmful salt, which seriously restricts the growth of plants; among them, sodium ions can seriously inhibit and poison the growth of plant roots. How to quickly reduce the salinity of saline-alkali land and restore vegetation through simple methods has become a difficult problem for the government and scientists. [0003] After ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40C09K101/00
CPCC09K17/40C09K2101/00
Inventor 颜安葛春辉耿魁王泽邢海业鲁天平
Owner XINJIANG AGRI UNIV
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