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Nutritive soil improver special for salt alkali land and its processing method

A soil conditioner and nutrient technology, which is applied to the special nutrient soil conditioner for saline-alkali land and its processing field, can solve the problems of inability to improve compaction, multi-irrigation and drainage, soil compaction, etc., so as to improve water storage and water retention capacity and improve ecological The effect of good environment and crop growth

Inactive Publication Date: 2008-12-17
NINGXIA UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in recent years, the emergence of high-efficiency and low-consumption soil improvers, the continuous improvement of use methods and the gradual reduction of costs have made it possible for soil improvers to be widely used in large fields; however, the traditional method of soil improvement in saline-alkali land mainly uses gypsum replacement. Sodium in the soil, this method is relatively simple
The title of invention disclosed in CN1377936A is: Utilize waste gypsum board to produce the method of saline-alkali soil improver and its product and application, and the title of invention disclosed in CN1487052A is: saline-alkali improver, which all replaces the exchangeability in the soil with calcium sulfate. Sodium, because the use of calcium sulfate increases the salinity of the soil, it needs to be rinsed, so the use of this kind of soil improver needs to be used in conjunction with irrigation, because another main reason why saline-alkali land affects crops is that the soil is easy to harden, and pure chemical The improvement method not only cannot improve the compaction, but also requires more irrigation and drainage, which is likely to cause the soil bulk density to increase rapidly with the increase of irrigation times, resulting in more compacted soil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: get 10% by weight of straw grass powder and 12% of organic fertilizer and pulverize it with a pulverizer to reduce the particle size to below 2mm, and then mix it with 50% by weight of desulfurization slag, 13% After the furfural slag and 15% diatomaceous earth are stirred and mixed evenly, they first pass through a magnetization machine, then pass through a dryer, and then pass through a mesh sieve, bagged and sealed.

Embodiment 2

[0016] Embodiment two: take the stalk grass powder that is 30% by weight and the organic fertilizer of 10% and pulverize with pulverizer earlier, make particle size be reduced to below 2mm, then be that 30% by weight desulfurization slag, 20% After the furfural slag and 10% diatomaceous earth are stirred and mixed evenly, they first pass through a magnetization machine, then pass through a dryer, and then pass through a mesh sieve, bagged and sealed.

Embodiment 3

[0017] Embodiment three: take the stalk grass powder that is 15% by weight and the organic fertilizer of 11% and pulverize with pulverizer earlier, make particle size drop to below 2mm, and then be that 45% by weight desulfurization slag, 18% After the furfural slag and 11% sodium humate are stirred and mixed evenly, they first pass through a magnetization machine, then through a dryer, and then sifted through a mesh, bagged and packaged.

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Abstract

This invention relates to a soil conditioner, especial a nutritional soil conditioner to be used specially for saline lands. Its components and their weight percentage is that desulfuration offal 30-50%, accelerator 10-15%, straw powder 10-30%, furfurol dregs 10-20% and organic fertile 10-12%. First straw powder and organic fertile are shattered by crusher with its grade size less than 2mm, and then mixed homogeneously with desulfuration offal, furfurol dregs, accelerator, then conducted magnetization with magnetizing machine and dried by drying machine, and then sizing and packaging. This invention can improve physical and chemical characteristic of the soil, inhibit the increase of salt, neutralize alky of the soil simultaneously, and can also provide affluent nutrient for crops.

Description

technical field [0001] The invention relates to a soil improver, in particular to a special nutritional soil improver for saline-alkali land and a processing method thereof. Background technique [0002] With the wide application of soil conditioners in agriculture and ecological environment, there are more and more new products of soil conditioners at home and abroad. Especially in recent years, the emergence of high-efficiency and low-consumption soil improvers, the continuous improvement of use methods and the gradual reduction of costs have made it possible for soil improvers to be widely used in large fields; however, the traditional method of soil improvement in saline-alkali land mainly uses gypsum replacement. Sodium in the soil, this method is relatively simple. The title of invention disclosed in CN1377936A is: Utilize waste gypsum board to produce the method of saline-alkali soil improver and its product and application, and the title of invention disclosed in CN...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40C09K101/00C09K109/00
Inventor 孙兆军何文寿许兴戈敢李茜张峰举罗成科吕雯许强秦萍王平
Owner NINGXIA UNIVERSITY
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