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Multi-functional salinization soil improved material

A saline-alkali soil, multi-functional technology, applied in soil conditioning materials, organic fertilizers, fertilizer mixtures, etc., can solve the problems of few varieties and high prices, and achieve the effects of strong adsorption, low price, and strong cation exchange function.

Inactive Publication Date: 2011-02-02
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the price of commercially available commodities is relatively high, and there are relatively few varieties

Method used

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  • Multi-functional salinization soil improved material
  • Multi-functional salinization soil improved material
  • Multi-functional salinization soil improved material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: saline-alkali soil improvement material consists of (by mass fraction): peat 30%, humic acid 20%, superphosphate 20%, sulfur 10%, calcium-based bentonite 10%, micro-fertilizer 1%, polymer Material 5%, HEDP 1%, phosphoric acid 3%; the polymer material is polyacrylic acid, and the micro-fertilizer is: FeSO 4 :(NH 4 ) 2 MoO 4 : CuSO 4 : ZnSO 4 =1:0.5:1:1. The preparation method is as follows:

[0024] (1) Peat, humic acid, superphosphate, calcium-based bentonite, sulfur, and various solid materials of micro-fertilizer are fully mixed in proportion;

[0025] (2) Water-soluble functional polymer materials, organic acids, and inorganic acids are prepared in proportion to a solution of a certain concentration;

[0026] (3) Spray the prepared water-soluble material on the solid material in the state of stirring, granulate after stirring evenly, and pack after low temperature or natural drying.

Embodiment 2

[0027] Example 2: Change HEDP to PBTC, and the rest are the same.

Embodiment 3

[0028] Embodiment 3: change PAA into PAM or KW-330, all the other are the same.

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Abstract

The invention discloses a multi-functional salinization soil improved material and a preparation method thereof. The material is composed of natural organic materials, water-soluble functional polymers, inorganic fertilizers, calcium bentonite, organic acid, phosphoric acid, sulphur and micro elements. The material has the advantages of reducing soil salination or restraining the migration of harmful ions through the optimization and synergistic effect of various kinds of materials, fertilizing soil, improving the soil crumble structure, strengthening soil permeability, and increasing soil water conservation functions. The material has the advantages of low cost, lasting effect and no environmental pollution.

Description

technical field [0001] The invention relates to a multifunctional saline-alkali soil improvement material and a preparation method thereof. Background technique [0002] Soil salinization is a worldwide resource and ecological problem. According to incomplete statistics from UNESCO and FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which 99.13 million hectares is in my country, and the saline-alkali land is increasing year by year. Saline-alkali hazards have caused a large number of medium and low-yield fields and poor farmers, making it difficult to use large areas of soil resources, reducing the comprehensive agricultural production capacity, seriously affecting agricultural production and the improvement of farmers' living standards, and restricting the sustainable development of agriculture and the construction of ecological environment in my country. [0003] At present, domestic saline-alkali land improvement and utilization methods ...

Claims

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Application Information

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IPC IPC(8): C09K17/50C09K101/00
Inventor 杨立明康玉茹王爱勤
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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