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Saline-alkali soil improver carbon-based fertilizer as well as preparation method and application thereof

A saline-alkali soil improvement, carbon-based fertilizer technology, applied in the application, alkaline orthophosphate fertilizer, nitrogen fertilizer and other directions, can solve the problems of large secondary pollution, large amount of engineering, difficult application, etc., to reduce salt content, improve enzyme the effect of increasing soil water holding capacity

Inactive Publication Date: 2020-08-14
SHIHEZI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a saline-alkali soil improvement agent carbon-based fertilizer and its preparation method and application, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the practical application difficulties, large secondary pollution, The problem of large engineering volume and high cost

Method used

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  • Saline-alkali soil improver carbon-based fertilizer as well as preparation method and application thereof
  • Saline-alkali soil improver carbon-based fertilizer as well as preparation method and application thereof
  • Saline-alkali soil improver carbon-based fertilizer as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: The saline-alkali soil improver carbon-based fertilizer is obtained according to the following steps: the first step is to obtain cotton stalk particles after drying and pulverizing the cotton stalks; Seal it, then put it into a muffle furnace to program the temperature and keep it warm to get the pyrolysis product; in the third step, the pyrolysis product is washed, dried, crushed and sieved in sequence to obtain cotton stalk charcoal; in the fourth step, the The required amount of urea, triammonium phosphate and potassium sulfate is mixed uniformly to obtain a basic fertilizer, wherein the weight ratio of urea, triammonium phosphate and potassium sulfate is 1:3.0 to 3.5:2.0 to 2.5; in the fifth step, the required amount The basic fertilizer, cotton stalk charcoal and kaolin are mixed and granulated to obtain the saline-alkaline soil improver carbon-based fertilizer, wherein the basic fertilizer is 0.13 to 0.67 parts by weight, the cotton stalk charcoal is...

Embodiment 2

[0031] Embodiment 2: The saline-alkaline soil improver carbon-based fertilizer is obtained according to the following steps: the first step is to obtain cotton stalk particles after drying and pulverizing the cotton stalks; Seal it, then put it into a muffle furnace to program the temperature and keep it warm to get the pyrolysis product; in the third step, the pyrolysis product is washed, dried, crushed and sieved in sequence to obtain cotton stalk charcoal; in the fourth step, the The required amount of urea, triammonium phosphate and potassium sulfate is mixed uniformly to obtain a basic fertilizer, wherein the weight ratio of urea, triammonium phosphate and potassium sulfate is 1:3.0 or 3.5:2.0 or 2.5; the fifth step, the required amount The base fertilizer, cotton stalk charcoal and kaolin are mixed and granulated to obtain the saline-alkali soil improver charcoal base fertilizer, wherein the basic fertilizer is 0.13 or 0.67 parts by weight, cotton stalk charcoal is 30 par...

Embodiment 3

[0032] Example 3: As an optimization of the above example, in the second step, the temperature programming rate is 15°C / min, the holding temperature is 500°C to 700°C, and the holding time is 1.5h to 2.0h.

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Abstract

The invention relates to the technical field of solid waste resource utilization and soil environment treatment. The invention relates to a saline-alkali soil improver carbon-based fertilizer and a preparation method and application thereof. The fertilizer is prepared by the preparation method comprising the following steps: introducing nitrogen into dried and crushed cotton straw particles, purging, sealing, putting the particles into a muffle furnace, carrying out temperature programming, carrying out a pyrolytic reaction, washing with water, drying, crushing, screening to obtain cotton straw carbon, mixing the cotton straw carbon and a chemical fertilizer according to a ratio, and granulating to obtain the saline-alkali soil improver carbon-based fertilizer. The physical and chemical properties of the saline-alkali soil can be effectively improved; the content of total available nitrogen, phosphorus and potassium in the soil is increased, the activity of enzymes in the soil can be improved, the stress resistance of plants is improved, the salt content of the saline-alkali soil is effectively reduced, the water retention rate of the soil is increased, meanwhile, resource utilization of agricultural waste can be achieved, and the saline-alkali soil improver carbon-based fertilizer has the advantages of being environmentally friendly, economical and efficient and can be widelyapplied to wheat cultivation soil improvement.

Description

technical field [0001] The invention relates to the technical fields of solid waste resource utilization and soil environment treatment, and relates to a saline-alkali soil improver carbon-based fertilizer and a preparation method and application thereof. Background technique [0002] There are large areas of saline-alkali land in my country that need to be improved and utilized, and there is an urgent need for improvement measures and technologies for saline-alkali land. Land salinization has become an important factor restricting the sustainable development of agriculture. With the continuous growth of population, the demand for food and other agricultural products is increasing, and the development and utilization of saline-alkali land is imminent. Rational use of saline-alkali soil can not only increase crop yield and alleviate food crisis, but also control environmental pollution and improve environmental ecological quality. On the one hand, Xinjiang has formed a large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/80C05G5/12
CPCC05B7/00C05C9/00C05D1/02C05D9/00
Inventor 邓辉仇继辉王洋马腾
Owner SHIHEZI UNIVERSITY
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