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Improvement method of soil ecological depth in moderate saline-alkali land

A technology of saline-alkali soil and biological amendment, which is applied in the fields of land preparation methods, soil conditioning materials, chemical instruments and methods, etc., to achieve the effects of reducing fixation, increasing absorption and utilization, and low cost of improvement

Inactive Publication Date: 2018-02-09
WEIFANG YOURONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the chemical modifiers are industrial by-products, containing more complex chemical impurities and other harmful components

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The method for soil ecological depth improvement in moderate saline-alkali land (the pH value of moderate saline-alkali land is 8.5 to 9.5), comprising the following steps:

[0025] Step 1. Remove debris and weeds on the surface of the saline-alkali land to be improved;

[0026] Step 2. Sprinkle the compound biological improver on the surface of the saline-alkali land to be improved. The dosage of the compound biological improver is 20Kg / mu; while spreading the compound biological improver, mix sand, carbide slag and potassium humate at the same time, and the weight ratio of the four is 0.1:10:2:5;

[0027] The composite bio-improving agent includes the following components in parts by weight: 10 parts of lactic acid bacteria; 10 parts of yeast; 12 parts of photosynthetic bacteria; 20 parts of bran; 23 parts of soybean meal; 20 parts of humic acid; 6 parts of dipotassium hydrogen; 5 parts of urea; 16 parts of molasses;

[0028] Under the action of organic matter, the ...

Embodiment 2

[0033] The method for soil ecological depth improvement in moderate saline-alkali land comprises the following steps:

[0034] Step 1. Remove debris and weeds on the surface of the saline-alkali land to be improved;

[0035] Step 2. Sprinkle the compound biological improver on the surface of the saline-alkali land to be improved. The dosage of the compound biological improver is 30Kg / mu; while spreading the compound biological improver, mix sand, carbide slag and potassium humate at the same time, and the weight ratio of the four is 0.2:10:3:8;

[0036] The composite bio-improving agent includes the following components in parts by weight: 15 parts of lactic acid bacteria; 12 parts of yeast; 20 parts of photosynthetic bacteria; 25 parts of bran; 26 parts of soybean meal; 28 parts of humic acid; 8 parts of dipotassium hydrogen; 8 parts of urea; 17 parts of molasses;

[0037] Under the action of organic matter, the compound bio-improvement agent can multiply beneficial soil mi...

Embodiment 3

[0042] The method for soil ecological depth improvement in moderate saline-alkali land comprises the following steps:

[0043] Step 1. Remove debris and weeds on the surface of the saline-alkali land to be improved;

[0044] Step 2. Sprinkle the compound biological improver on the surface of the saline-alkali land to be improved. The dosage of the compound biological improver is 30Kg / mu; while spreading the compound biological improver, mix sand, carbide slag and potassium humate at the same time, and the weight ratio of the four is is 0.5:12:3:10;

[0045] The composite bio-improving agent includes the following components in parts by weight: 18 parts of lactic acid bacteria; 10 parts of yeast; 20 parts of photosynthetic bacteria; 35 parts of bran; 36 parts of soybean meal; 38 parts of humic acid; 8 parts of dipotassium hydrogen; 8 parts of urea; 20 parts of molasses;

[0046] Under the action of organic matter, the compound bio-improvement agent can multiply beneficial soil ...

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PUM

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Abstract

The invention discloses an improvement method of soil ecological depth in a moderate saline-alkali land. The improvement method comprises the steps that one, area surface sundries and weeds of the saline-alkali land to be improved are cleared; two, composite biological ameliorant is spread on the surface of the saline-alkali land to be improved and mixed with sand, carbide slag and potassium humate, a large quantity of soil beneficial microorganisms are bred in the short term, and soil activity is rapidly activated; three, the saline-alkali land to be improved is subjected to ploughing, leveling, irrigation, and film covering, then heat preservation and humidification for 10-15 days, acid-base balance is regulated while the soil salinity and alkali content is reduced, so that the microorganisms are over propagated and suffocated to death, and a sterile soil environment is created; four, membrane is removed and soil is air-dried, fermented organic fertilizer is applied, then salt-tolerant plants are sown to improve the biological depth of soil; five, when the growth of the sown salt-tolerant plants reaches the maximum, the salt-tolerant plants are removed and moderate saline-alkalisoil improvement is completed. The method is low in improvement cost, good in effect, and ecological and environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of saline-alkali land management, and in particular relates to a soil ecological depth improvement method for moderate saline-alkali land. Background technique [0002] Various coastal saline soils are widely distributed in coastal areas. This kind of soil itself lacks maturation, and the soil quality is poor. There are double obstacles of salinization and poor soil quality. The growth and development of saline-alkali plants will be inhibited. [0003] However, this kind of soil has favorable conditions such as deep soil layer, flat terrain, and suitable for mechanical farming. However, due to the existence of excessive salt and strong alkalinity, the crop yield is low or even completely eliminated, forming a large area of ​​saline-alkaline wasteland. The ecological environment is bad. With the dwindling of available arable land resources, saline-alkali land is a precious reserve soil resource, and its dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02C05G3/04C09K17/40C09K101/00C09K109/00C05G3/80
CPCA01B79/02C05B7/00C05G3/80C09K17/40C09K2101/00C09K2109/00C05C9/00C05F5/00C05F5/002C05F11/02C05F11/08
Inventor 王胜
Owner WEIFANG YOURONG IND
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