Soil amendment for saline and alkaline land, and preparation and application methods thereof

A soil conditioner, a technology for saline-alkali land, applied in chemical instruments and methods, soil conditioning materials, applications, etc., can solve the problems of phosphogypsum unsuitable for soil improvement, reduce soil alkalinity, and slow to take effect, and achieve long-term improvement. The effect of increased specific surface area, adsorption capacity and chemical activity

Inactive Publication Date: 2016-10-12
SHANDONG SUNWAY LANDSCAPE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But now most of the modifiers have not achieved the expected effect. At the same time, most of the powder or granular modifiers use phosphogypsum as raw material to provide sufficient soluble calcium for the soil, and replace the sodium ions in the colloidal complex, thereby reducing the amount

Method used

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  • Soil amendment for saline and alkaline land, and preparation and application methods thereof

Examples

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Effect test

Embodiment 1

[0038] A soil conditioner for saline-alkali land, including powder and water,

[0039] The powder comprises the following components by weight: 12 parts of organic bentonite, 3 parts of modified rectorite, 15 parts of organic fertilizer, 14 parts of humus, 18 parts of compound fertilizer, 5 parts of amino acid, 0.5 part of polyacrylamide, biological flora 0.6 copies;

[0040] The water preparation comprises the following components by weight: 13 parts of citric acid, 30 parts of maleic anhydride, 12 parts of wood acetic acid, 4 parts of amino acid, 4 parts of free humic acid and 0.2 part of polyacrylamide.

[0041] The organic fertilizer is animal manure and plant straw; the compound fertilizer is a mixture of potassium fertilizer, phosphorus fertilizer and nitrogen fertilizer in parts by weight of 2:5:10, and the biological flora includes Bacillus subtilis, light and bacteria, nitrogen-fixing bacteria and Silicate bacteria.

Embodiment 2

[0043] A soil conditioner for saline-alkali land, including powder and water,

[0044] The powder comprises the following components by weight: 15 parts of organic bentonite, 3 parts of modified rectorite, 18 parts of organic fertilizer, 12 parts of humus, 16 parts of compound fertilizer, 4 parts of amino acid, 0.8 part of polyacrylamide, biological flora 0.5 copies;

[0045] The water preparation comprises the following components by weight: 13 parts of citric acid, 25 parts of maleic anhydride, 12 parts of wood acetic acid, 3 parts of amino acid, 3 parts of free humic acid and 0.4 part of polyacrylamide.

[0046] Its preparation method comprises the following steps:

[0047] The preparation of described powder comprises the following steps:

[0048] 3) Raw material pretreatment: drying the organic bentonite with a moisture content of 6%, and pulverizing it to 120 mesh;

[0049]Grind rectorite into fine powder with a ball mill and calcined, then use cetyltrimethylammonium ...

Embodiment 3

[0059] Plant ditch trees in the selected coastal saline-alkali land area. Before planting, dig the tree hole. The diameter of the tree hole is greater than 20cm of the tree-forming soil ball. Use the water agent of Example 2 to dilute 500 times of water pressure salt. When planting, use the powder of Example 2 Mix it with the original soil at 1:3 by weight to evenly fill the tree pit, plant the ditch tree into the tree pit, and after half a month of growth, water it with the water agent of Example 2 diluted 500 times.

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Abstract

The invention discloses a soil amendment for saline and alkaline land. The soil amendment comprises powder and water aqua. The powder comprises, by weight, 10 to 15 parts of organic bentonite, 2 to 5 parts of modified rectorite, 10 to 20 parts of organic fertilizer, 10 to 20 parts of humus, 15 to 30 parts of composite fertilizer, 3 to 8 parts of amino acid, 0.5 to 1 part of polyacrylamide and 0.3 to 1 part of biological flora. The water aqua comprises, by weight, 12 to 20 parts of citric acid, 20 to 35 parts of maleic anhydride, 10 to 20 parts of wood vinegar, 3 to 5 parts of amino acid, 3 to 5 parts of free humic acid and 0.2 to 0.5 part of polyacrylamide. Meanwhile, the invention provides a preparation method and application method for the soil amendment. The soil amendment is target to saline and alkaline soil in the north of China; and through cooperative usage of the powder and the water aqua, the soil amendment exerts good improvement effect and is fact in action.

Description

technical field [0001] The invention relates to the field of saline-alkali land improvement, in particular to a saline-alkali land soil improver and a preparation and application method thereof. Background technique [0002] Saline-alkali land is a kind of soil type widely distributed in the world, and it is an important land resource. The saline-alkali land area in the world is about 15 billion mu, and the saline-alkali land area in my country is about 540 million mu, accounting for one-thirtieth of the world; the saline-alkali land in my country is about 90 million mu, and the cultivated land in my country is only 1.5 billion mu, accounting for nearly one-tenth of the cultivated land area in my country. one fifth. At present, it has become the biggest obstacle restricting the construction of ecological environment and the sustainable development of agriculture in our country. [0003] Saline-alkali soil has small porosity, low fertility, easy compaction, poor air permeabi...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C09K17/40C09K101/00C05G3/80
CPCC05D9/00C05G3/00C05G3/80C09K17/40C09K2101/00C05C11/00C05F3/00C05F11/00C05F11/02C05F11/08C05G1/00
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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