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Conditioner for moderately alkaline soil and processing method of conditioner

A technology of soil improver and improver, which is applied in the direction of chemical instruments and methods, soil conditioning materials, and other chemical processes. It can solve the problems of high cost of soil improvement for farmers, unsatisfactory effect, and large particle size of improver. The effect of reducing hardening hardness, improving physical and chemical properties, and increasing the degree of alkalization

Active Publication Date: 2013-04-10
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the particle size of the modifier after crushing is large, it is not conducive to the ion exchange reaction, and the improvement effect is poor; if the particle size of the modifier is small after crushing, it will consume a lot of energy, making the cost of soil improvement too high for farmers to bear
Chinese patent application CN101624523A discloses "a saline-alkali improver", which is prepared by mixing aluminum sulfate, ferrous ammonium sulfate and magnesium sulfate according to different weight ratios. A large amount of chemical raw materials are required to make the improver, instead of using Industrial waste, high cost
[0005] In general, the disadvantages and technical problems of the prior art are: complex process, high cost, and unsatisfactory effect

Method used

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  • Conditioner for moderately alkaline soil and processing method of conditioner
  • Conditioner for moderately alkaline soil and processing method of conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] 1. Improver: 80g of desulfurized gypsum, 5g of straw, 5g of biomass coke, 5g of weathered coal, 0.05g of urea, and 0.01g of microbial fertilizer.

[0057] 2. Processing method:

[0058] (1) Separately crush the straw and microbial fertilizer with a pulverizer, and pass through a 60-mesh sieve;

[0059] (2) Add the crushed straw, microbial fertilizer and the above-mentioned other raw materials into a mixer and mix them evenly, and then add them into a disc granulator for granulation to obtain a granular moderately alkalized soil conditioner.

[0060] 3. Improvement process (application of soil conditioner):

[0061] (1) The improved land shall be rough leveled first to remove the obvious concave and convex areas on the land;

[0062] (2) Carry out laser leveling, so that the slope of the farming block is 0.05%;

[0063] (3) The above-mentioned improvers are mixed and evenly applied to the soil surface (the depth of application is 18cm of the cultivated layer), and the...

Embodiment 2

[0067] 1. Improver: 90g desulfurized gypsum, 3g straw, 10g biomass coke, 3g weathered coal, 0.1g urea, 0.05g microbial fertilizer.

[0068] 2. Processing method:

[0069] (1) Separately crush the straw and microbial fertilizer with a pulverizer, and pass through a 30-mesh sieve;

[0070] (2) Add the crushed straw, microbial fertilizer and the above-mentioned other raw materials into a mixer and mix them evenly, and then add them into a disc granulator for granulation to obtain a granular moderately alkalized soil conditioner.

[0071] 3. Improvement process (application of soil conditioner):

[0072] (1) The improved land shall be rough leveled first to remove the obvious concave and convex areas on the land;

[0073] (2) Carry out laser leveling, so that the slope of the farming block is 0.05%;

[0074] (3) The above-mentioned improvers are mixed and evenly applied to the soil surface (the depth of application is 15cm in the depth of the cultivated layer), and the amount p...

Embodiment 3

[0078] 1. Improver: 85g of desulfurized gypsum, 4g of straw, 8g of biomass coke, 4g of weathered coal, 0.08g of urea, and 0.03g of microbial fertilizer.

[0079] 2. Processing method:

[0080] (1) Separately crush the straw and microbial fertilizer with a pulverizer, and pass through a 40-mesh sieve;

[0081] (2) Add the crushed straw, microbial fertilizer and the above-mentioned other raw materials into a mixer and mix them evenly, and then add them into a disc granulator for granulation to obtain a granular moderately alkalized soil conditioner.

[0082] 3. Improvement process (application of soil conditioner):

[0083] (1) The improved land shall be rough leveled first to remove the obvious concave and convex areas on the land;

[0084] (2) Carry out laser leveling, so that the slope of the farming block is 0.05%;

[0085] (3) The above-mentioned improvers are mixed and evenly applied to the soil surface (the depth of application is 12cm of the cultivated layer), and the...

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Abstract

The invention relates to a conditioner for moderately alkaline soil and a processing method of the conditioner. The conditioner for the moderately alkaline soil comprises the following raw materials in parts by weight: 80-90 parts of desulfuration waste, 3-5 parts of inorganic accelerator and 8-15 parts of organic accelerator. According to the conditioner for the moderately alkaline soil, calcium ions in the desulfuration waste are used for replacing exchangeable sodium on a soil colloid, so that the alkalisation degree of the soil is reduced; an excellent pore structure and physical properties of the organic accelerator are used for improving physical characteristics and a granular structure of the soil; the pH value of the soil is decreased; the soil fertility is increased; the inorganic accelerator also can improve the granular structure of the soil; an inorganic fertilizer and an organic fertilizer are additionally adopted to further increase the soil fertility; and nutritional ingredients are provided for crop growth. In a word, the conditioner can effectively overcome nutritional element unbalance in the soil, increase the soil fertility, loosen the soil, improve the fertilizer efficiency and fundamentality control soil salinization gradually.

Description

technical field [0001] The invention relates to a chemical reagent used on soil, in particular to a moderately alkalized soil improver and a processing method thereof, belonging to the field of soil improvement. Background technique [0002] Domestic soil improvement, especially the methods and technologies of saline-alkali land improvement can be summarized as follows: (1) Physical improvement: leveling the land, deep plowing and sunning, loosening the soil in time, raising the terrain, and micro-area improvement of the soil; (2) Water conservancy improvement: irrigation (3) Chemical improvement: application of gypsum, phosphogypsum, superphosphate, humic acid, peat, vinegar residue, etc.; (4) Biological improvement: planting rice , planting salt-tolerant plants, such as tianjing, or using micro-bacterial fertilizers, etc. [0003] These improved technologies and methods include ancient technologies, such as leveling the land, deep plowing and drying, loosening the soil in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/42C09K109/00
Inventor 陈昌和刘嘉李彦王淑娟陈群赵博禚玉群
Owner TSINGHUA UNIV
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