Saline-alkali soil conditioner and preparation method thereof

A soil conditioner, technology for saline-alkali land, applied in soil conditioning materials, chemical instruments and methods, other chemical processes, etc., can solve the problems of reducing soil salinity and pH, etc. The effect of soil aggregate structure formation

Inactive Publication Date: 2020-05-12
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional improvement methods and products cannot achieve the effect of improving the soil structure while reducing the salinity and pH of the soil when improving saline-alkali land

Method used

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  • Saline-alkali soil conditioner and preparation method thereof
  • Saline-alkali soil conditioner and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1 A kind of saline-alkali soil conditioner

[0018] Its preparation raw materials include by weight: 35 parts of attapulgite, 6 parts of humic acid, 4 parts of malic acid, 5 parts of manganese sulfate, 8 parts of azelaic acid, 1 part of sodium alginate, 2 parts of ammonium sulfate, hard Fatty amide 1 part.

[0019] Its preparation method comprises the following steps:

[0020] (1) Get the attapulgite and manganese sulfate of formula dosage and mix, after stirring at room temperature for 25 minutes, stir to obtain mixture A;

[0021] (2) Mix the remaining raw materials of the formula, heat to 63°C, stir for 2 hours, and cool to room temperature to obtain mixture B;

[0022] (3) Heat mixture A and mixture B obtained in step (1) to 45° C., stir for 1 hour, and cool to room temperature to obtain the saline-alkali soil conditioner.

Embodiment 2

[0023] Embodiment 2 A kind of saline-alkali soil conditioner

[0024] The raw materials for its preparation include, in parts by weight, 40 parts of attapulgite, 11 parts of humic acid, 7 parts of malic acid, 10 parts of manganese sulfate, 16 parts of azelaic acid, 3 parts of sodium alginate, 6 parts of ammonium sulfate, hard Fatty amide 3 parts.

[0025] Its preparation method comprises the following steps:

[0026] (1) Get the attapulgite and manganese sulfate of formula dosage and mix, after stirring at room temperature for 30 minutes, stir to obtain mixture A;

[0027] (2) Mix the remaining raw materials of the formula, heat to 71°C, stir for 3 hours, and cool to room temperature to obtain mixture B;

[0028] (3) Heat mixture A and mixture B obtained in step (1) to 55° C., stir for 2 hours, and cool to room temperature to obtain the saline-alkali soil conditioner.

Embodiment 3

[0029] Embodiment 3 A kind of saline-alkali soil conditioner

[0030] Its preparation raw materials include by weight: 38 parts of attapulgite, 9 parts of humic acid, 6 parts of malic acid, 8 parts of manganese sulfate, 11 parts of azelaic acid, 2 parts of sodium alginate, 4 parts of ammonium sulfate, hard Fatty amide 2 parts.

[0031] Its preparation method comprises the following steps:

[0032] (1) Take the attapulgite and manganese sulfate of formula dosage and mix, after stirring at room temperature for 28 minutes, stir to obtain mixture A;

[0033] (2) Mix the remaining raw materials of the formula, heat to 68°C, stir for 2.5 hours, and cool to room temperature to obtain mixture B;

[0034] (3) Heat mixture A and mixture B obtained in step (1) to 50° C., stir for 1.5 hours, and cool to room temperature to obtain the saline-alkali soil conditioner.

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Abstract

The invention discloses a saline-alkali soil conditioner. The saline-alkali soil conditioner comprises the following preparation raw materials in parts by weight: 35 to 40 parts of attapulgite, 6 to 11 parts of humic acid, 4 to 7 parts of malic acid, 5 to 10 parts of manganese sulfate, 8 to 16 parts of azelaic acid, 1 to 3 parts of sodium alginate, 2 to 6 parts of ammonium sulfate and 1 to 3 partsof stearamide. The saline-alkali soil conditioner provided by the invention has the following advantages: through elaborate selection of a formula, the pH value of soil can be adjusted; the formationof a soil aggregate structure is promoted; the permeability of the soil is enhanced; and the pH value and alkalization degree of the soil can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil conditioner and a preparation method thereof. Background technique [0002] Saline-alkali soil is a general term for all kinds of salinized soil and alkaline soil. Saline-alkali land is one of the severe ecological and environmental problems faced by global agriculture today, which has a serious impact on the sustainable development of agriculture. How to properly solve the problem of soil salinization is an arduous task. Because the soil contains a large amount of saline-alkali components and has bad physical and chemical properties, the growth of plants is inhibited or even unable to grow. Because most of the soluble salt in the saline-alkali soil is sodium salt, the soil is heavy, the soil colloid is dispersed and emulsified, the air permeability is poor, it swells and becomes muddy when it encounters water, and it shrinks hard afte...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K109/00C09K101/00
CPCC09K17/40C09K2101/00C09K2109/00
Inventor 王胜李炳文高悦文毛庆莲曹林波
Owner SHANDONG SUNWAY LANDSCAPE TECH
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