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Production method and application of sandy land conditioner made from bentonite

The technology of a modifier and bentonite is applied in the field of producing sand modifier from bentonite, which can solve the problems of high price of humic acid and microbial inoculants, inability to uniformly improve the physical and chemical properties of soil, and increase the structure of soil aggregates, so as to increase farmers' income, Good transformation effect and effect of improving soil structure

Active Publication Date: 2012-09-12
郝国成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this technology are: humic acid and microbial agents are expensive; the scope of application is narrow, and it is only suitable for the degraded sandy soil where licorice is planted; the use of furrow application of soil remediation preparations cannot uniformly improve the physical and chemical properties of the soil; the effect is slow, and it takes 1 -2 years to be effective
[0005] There is also a soil improvement and moisture retention agent (CN 1597844A) using acrylic acid as the main component, but acrylic acid is a chemical preparation, which not only has high cost and potential secondary pollution risks, but also does not have the effect of increasing the soil aggregate structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] This experiment was arranged in a nursing home in Dazhen, Naiman Banner, Tongliao City, Inner Mongolia. The soil quality was measured as moderate desertification before the renovation. Before the transformation of the demonstration field, only some low-yield crops can be planted, such as mung beans, buckwheat, etc., and it needs to be irrigated 6 times a year, and each irrigation needs 60 minutes per mu. Put the sand improver at 30t / hm 2 Evenly spread on the sandy soil surface, combined with the rotary tillage operation of the rotary tiller, so that the sandy land improver and sandy soil are evenly mixed in the plow layer and fully irrigated. Maize planted on sandy soil improved by more than 60% compared with unimproved land, the effect of increasing yield is obvious.

Embodiment 2

[0027] This experiment was arranged in Fuxing Village, Mingren Sumu, Naiman Banner, Tongliao City, Inner Mongolia. The soil quality was measured as severe desertification before the renovation. Put the sand improver at 24t / hm 2 Spread evenly on the surface of sandy soil, and at the same time combine 15t / hm 2 The organic fertilizer is applied, and the rotary tillage operation of the rotary tiller is used to uniformly mix the sand improvement agent, organic fertilizer and sand in the plow layer and fully irrigate. Peanuts were planted after soil modification, and the yield increased by 64.5% compared with the sandy land where organic fertilizer was applied alone.

Embodiment 3

[0029] This experiment was arranged in Haotudianzi Village, Naiman Banner, Tongliao City, Inner Mongolia. The soil quality was measured as mild desertification before the renovation. Put the sand improver at 30t / hm 2 Evenly spread on the surface of sandy soil, combined with 15t / hm 2 Application of machine fertilizer and 3t / hm 2 The corn stalks are returned to the field, and the operation of the rotary tiller is used for stirring, so that the sand improver, organic fertilizer, straw and sand are evenly mixed in the plow layer and fully irrigated. When oats are planted after soil improvement, the yield increases by 60% in the first year and 64% in the second year compared with the control without sand amendments, and the yield increase effect is obvious.

[0030] Years of comparative tests prove that the technical solution of the present invention can be fully used in large-scale production. Through continuous three-year field tests, the product formula and production technol...

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Abstract

The invention discloses a production method and application of sandy land conditioner made from bentonite. The production method and application include the steps of firstly, purifying and modifying bentonite, and adding special additive to produce sandy land conditioner; secondly, manually or mechanically evenly scattering the sandy land conditioner to sandy soil surface of leveled sandy land, dry farmland or arid farmland; thirdly, using a rotary tiller to perform rotary tillage so as to evenly mix the sandy land conditioner and the sand soil inside topsoil; and fourthly, fully irrigating with water to enable the sandy land conditioner to absorb water and turn adhesive so that the sandy land conditioner is well combined with the sand soil to form soil aggregates, thereby achieving water saving, water holding, fertilizer holding, wind proofing and sand stabilization and increasing yield of planted crops. The sandy soil conditioner is mainly used for modifying sand soil, dry farmlands and arid farmlands, and can also be used for modification of saline-alkali soil, impoverished soil, yellow mud soil and easily caking soil, desertification control and various sand stabilizing projects. The sandy land conditioner is more effective in application to rice planting.

Description

technical field [0001] The invention belongs to the field of soil conditioners, and in particular relates to a method for producing a sand conditioner from bentonite and an application method of the sand conditioner. Background technique [0002] With the continuous growth of population, the development of industry and agriculture, and the acceleration of urbanization, the land degradation in countries around the world is serious, the speed of land desertification is accelerating, the land is becoming increasingly barren, and the quality of land is declining, resulting in a serious decline in land productivity and a continuous decrease in cultivated land. my country is one of the countries most seriously affected by desertification in the world. The large area and wide distribution of desertification have exacerbated the deterioration of the ecological environment, which has seriously affected the development of my country's industry, agriculture and social economy, threatene...

Claims

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Application Information

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IPC IPC(8): A01B79/02C09K17/08C09K101/00
CPCY02A40/22
Inventor 郝国成刘景辉戴云仙
Owner 郝国成
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