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A kind of curing agent for acid soil disease and preparation method thereof

A technology of curing agent and acid soil, applied in fertilizer mixture, fertilization device, application and other directions, can solve the problem of secondary soil pollution, etc., and achieve the effect of curing acid soil disease, correcting over-acid condition, and improving acid-base buffering ability.

Active Publication Date: 2018-02-23
BEIJING LEILI MARINE BIOINDUSTRY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, another important reason for the overacidity of the soil is the secondary pollution of the soil caused by excessive fertilization in modern times.

Method used

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  • A kind of curing agent for acid soil disease and preparation method thereof
  • A kind of curing agent for acid soil disease and preparation method thereof
  • A kind of curing agent for acid soil disease and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0043]

[0044] Remove slag from 45kg of silicon dioxide, crush it to 20 mesh, heat up to 1250°C in a calciner, and calcinate for 7 hours, then add 455kg of potassium bicarbonate, dissolve it, filter, take the clear liquid, add 500kg of water, and stir It was prepared in 4 hours and the measured pH was 11.

preparation example 2

[0046]

[0047]Remove slag from 45 kg of silicon dioxide, crush it to 20 mesh, raise the temperature to 1250°C in a calciner, and calcinate for 8 hours, then add 455 kg of potassium bicarbonate, dissolve it, filter, take the clear liquid, add 500 kg of water, and stir It was prepared in 4 hours and the measured pH was 11.

preparation example 3

[0049]

[0050] Remove slag from 35 kg of silica, crush it to 20 mesh, heat up to 1150°C in a calciner, and calcinate for 7 hours, then add 465 kg of potassium bicarbonate, dissolve it, filter, take the clear liquid, add 500 kg of water, and stir It was prepared in 3 hours and the measured pH was 11.5.

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Abstract

An acid soil curing agent and a preparing method thereof are provided. The curing agent comprises or is composed of silica, potassium bicarbonate and water. The curing agent corrects overly acidic conditions of soil, improves toxicity of metals of divalent or more such as aluminum and manganese, and supplements active elements essential for crop growth. The curing agent functions from a plurality of aspects, improves soil acidity and cures the acid soil.

Description

technical field [0001] The invention belongs to the technical field of acid soil improvement, in particular, the invention relates to a curing agent for acid soil disease and a preparation method thereof. Background technique [0002] Acid soil disease refers to the physiological impact that crops cannot grow healthily because the pH value in the soil is too acidic. And alleviate the physiological growth of crops, and can be relatively stable for a period of time or even have a gradual improvement trend, this substance is called acid soil disease cure agent. [0003] Acidic soil is a general term for soil with a pH value less than 7, including brick red soil, red soil, red soil, yellow soil and dry red soil. In the tropical and subtropical regions of my country, acidic soils of various red or yellow soils are widely distributed. The local temperature is high and the rainfall is heavy, with the annual rainfall mostly above 1500mm. The characteristics of high temperature, r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 汤洁严国富
Owner BEIJING LEILI MARINE BIOINDUSTRY INC
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