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Iron-based saline alkali soil conditioner and application method thereof

The technology of soil conditioner and conditioner is applied in the field of soil improvement of saline-alkali land, which can solve the problems of slow effect and large investment, and achieve the effects of prevention and control of salt return, soil looseness and permeability, and good soil improvement effect.

Active Publication Date: 2022-04-29
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many ways to improve saline-alkali land. Currently, the methods used, such as irrigation and drainage engineering measures, increasing organic fertilizer, and agricultural measures such as planting halophytes, etc., are either too large investment or too slow to produce results.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] Preparation of S1 Improver A

[0041] Mix industrial iron powder, sulfur powder, trace elements (1:1 mixture of boric acid and zinc chloride) according to the mass ratio of 88:10:2, put them in the agate ball mill jar, add agate beads, agate The tank was placed in a planetary ball mill, and ball milled at a speed of 250 rpm for 10 hours to obtain modifier A.

[0042] Preparation of S2 Improver B

[0043] The biochar and potassium silicate were artificially mixed physically at a mass ratio of 90:10 to obtain improver B.

[0044] Application of S3 Improver A

[0045] For saline-alkali land preparation, 500 kg of modifier A per mu is applied, followed by rotary tillage, and then watered. After 10 days of maintenance, fresh water is used to irrigate the salt, and the sun is maintained for 10 days;

[0046] Application of S4 Improver B

[0047] Sprinkle the saline-alkali land improver B at an amount of 100 kg per mu to the saline-alkali land after curing in the sun, and ...

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PUM

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Abstract

The invention discloses an iron-based saline-alkali soil conditioner and an application method thereof.The application method comprises the steps of preparation of a soil conditioner A, preparation of a soil conditioner B and matched application of the soil conditioner A and the soil conditioner B. The soil conditioner A comprises 85-95 parts of industrial iron powder, 5-15 parts of sulfur powder and 0-5 parts of microelements; according to the application method of the iron-based saline-alkali soil conditioner, the iron powder is modified by the sulfur powder, and the application time of the conditioner A and the conditioner B is combined, so that the iron-based saline-alkali soil conditioner is obtained, and the iron-based saline-alkali soil conditioner has a relatively good improvement effect on saline-alkali soil and has an obvious promotion effect on crop growth.

Description

technical field [0001] The invention relates to the technical field of saline-alkali soil improvement, in particular to an iron-based saline-alkali soil improver and an improvement method thereof. Background technique [0002] Salinized soil is widely distributed all over the world, and the problem of soil salinization is a worldwide problem. Rational development and utilization of huge saline-alkali land resources is an important breakthrough to solve the contradiction between the increasing population and the rapid reduction of cultivated land area, and it is also a hot spot that scientists have been studying. [0003] Soil improvement in saline-alkali land is a difficult, highly complex, and long-term task, so it has received long-term attention from relevant scholars at home and abroad. There are many ways to improve saline-alkali land. Currently, such as irrigation and drainage engineering measures, increasing organic fertilizer, and agricultural measures such as plant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C09K17/02C09K17/04C05G3/80C05D9/02A01B79/02C09K101/00
CPCC09K17/40C09K17/02C09K17/04C05D9/00C05G3/80C05D1/00A01B79/02C09K2101/00C05D9/02C05F11/02
Inventor 张鹏孙红文马明明蒙星英江胜国
Owner NANKAI UNIV
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