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Soil improvement conditioner as well as preparation method and application thereof

A soil improvement and conditioner technology, which is applied in the agricultural field, can solve the problems of complex component formulation and high cost of the improver, and achieve the effects of low price, low production cost and simple production process.

Active Publication Date: 2015-08-26
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent application CN101624523 discloses "a kind of saline-alkali improver", which is prepared by mixing aluminum sulfate, ferrous ammonium sulfate and magnesium sulfate according to different weight ratios. It needs a large amount of chemical raw materials to make the improver, instead of using Industrial waste, high cost
Some patents, such as CN03111936.0, CN200910117619.X, etc., involve complex formulations of improver components

Method used

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  • Soil improvement conditioner as well as preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Utilize the method of the present invention, prepare a kind of improved conditioning agent, concrete steps are as follows:

[0063] (1) Stir and mix 65g of desulfurized gypsum and 50g of rice stalks, put them into a fixed reaction vessel, the front of the fixed reaction vessel is connected to a nitrogen tank, and the rear is connected to a sleeve condenser;

[0064] (2) Continuously feed a small amount of nitrogen into the fixed reaction vessel, heat the fixed reaction vessel to 400° C. and keep it for 1 hour, and the gas product is passed into the sleeve condenser to condense and recover the liquid product;

[0065] (3) After the reactor is cooled to room temperature, collect the solid product, and after simple crushing and crushing, stir and mix with 10g of organic fertilizer. The mixture of organic bacterial manure is stirred evenly to obtain an improved conditioning agent, and its ingredients are: 60 g of desulfurized gypsum, 20 g of biomass coke, 10 g of biomass aq...

Embodiment 2

[0068] Utilize the method of the present invention, prepare a kind of improved conditioning agent, concrete steps are as follows:

[0069] (1) Stir and mix 60g of desulfurized gypsum and 70g of sawdust, put them into a fixed reaction vessel, the front of the fixed reaction vessel is connected to a nitrogen tank, and the rear is connected to a sleeve condenser;

[0070] (2) Continuously feed a small amount of nitrogen into the fixed reaction vessel, heat the fixed reaction vessel to 500° C. and keep it for 1 hour, and the gas product is passed into the sleeve condenser to condense and recover the liquid product;

[0071](3) After the reactor is cooled to room temperature, collect the solid product and mix it with 12g of organic fertilizer. After the liquid product is allowed to stand and separate, filter to obtain the water phase product, and spray 10g of it into the mixture of the solid product and the organic fertilizer. and stir evenly to obtain an improved conditioner, the ...

Embodiment 3

[0074] Utilize the method of the present invention, prepare a kind of improved conditioning agent, concrete steps are as follows:

[0075] (1) Stir and mix 62g of desulfurized gypsum and 55g of sawdust, put them into a fixed reaction vessel, the front of the fixed reaction vessel is connected to a nitrogen tank, and the rear is connected to a sleeve condenser;

[0076] (2) Continuously feed a small amount of nitrogen into the fixed reaction vessel, heat the fixed reaction vessel to 500° C. and keep it for 1 hour, and the gas product is passed into the sleeve condenser to condense and recover the liquid product;

[0077] (3) After the reactor is cooled to room temperature, collect the solid product and mix it with 11g of organic fertilizer. After the liquid product is allowed to stand and separate, filter to obtain the water phase product, and spray 15g into the mixture of the solid product and the organic fertilizer. and stir evenly to obtain an improved conditioner, the compo...

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Abstract

The invention discloses a moderate saline-alkali soil improvement conditioner as well as a preparation method and application thereof. The soil improvement conditioner comprises the following components in parts by weight: 55-60 parts of calcium salt, 18-23 parts of biomass coke, 10-15 parts of a biomass aqueous solution and 10-12 parts of an organic fertilizer. The soil improvement conditioner disclosed by the invention can quickly and effectively solves the problems of high soil alkalization degree, low fertility, larger soil pH value, clumpy soil and the like and is low in cost and low in heavy metal content.

Description

technical field [0001] The present invention relates to the field of agriculture, in particular to a soil improvement conditioner and its preparation method and application, more specifically to a soil improvement conditioner, a method for preparing the soil improvement conditioner and a method for improving moderately salinized soil. Background technique [0002] There are large areas of saline-alkali land distributed in our country, and the degree of salinization is expanding. The salinization of land not only causes a large amount of agricultural production reduction in our country, but also causes a lot of losses. Due to the increasingly serious degree of salinization, large areas of land have gradually become wasteland. Transforming saline-alkali land and improving the agricultural production of saline-alkali cultivated land is one of the important tasks of agricultural development in my country. [0003] The improvement of saline-alkali land in my country has a long h...

Claims

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Application Information

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IPC IPC(8): C09K17/40C05G3/04A01B79/00C09K109/00C09K101/00C05G3/80
Inventor 陈群李彦刘嘉王淑娟禚玉群陈昌和
Owner TSINGHUA UNIV
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