Permian system coal mining sinking dust and mudstone layer weathering area paddy field water leakage repair method

A technology for coal mining subsidence and restoration methods, which is applied to land preparation methods, soil lifting machinery, agricultural machinery and implements, etc., can solve the problems of water infiltration, high cost, single restoration measures, limited fertilizer supply capacity, etc., to improve soil Nutrient status and soil structure, improve work efficiency, improve the effect of water leakage

Inactive Publication Date: 2013-05-22
CHONGQING INST OF GEOLOGY & MINERAL RESOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is aimed at single repair measures for water leakage in paddy fields at home and abroad. The widely used water-retaining agent has limited effect and high cost in repairing water leakage in paddy fields. Deep infiltration, high cost, p

Method used

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  • Permian system coal mining sinking dust and mudstone layer weathering area paddy field water leakage repair method
  • Permian system coal mining sinking dust and mudstone layer weathering area paddy field water leakage repair method

Examples

Experimental program
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Effect test

Example Embodiment

[0019] Example 1

[0020] Design four different restoration cultivation measures for leaky paddy fields:

[0021] Traditional plow treatment: Store water and soak the farmland. After a period of time (more than 24 hours), use the traditional plow to plow, harrow and level the paddy field. The number of plowing is 3 to 5 times that of the previous plowing.

[0022] Traditional plow + water-retaining agent treatment (that is, the method of the present invention): use the traditional plow in the paddy field to plow once, then irrigate the field with water, and powder the paddy field soil anti-seepage and water-retaining agent "Aidixipu" (product of Jilin New Century Agricultural Technology Co., Ltd.) Sprinkle evenly on the surface of the field according to 250kg / hm2, and then use the above-mentioned traditional paddy field plow to plow the paddy field, plow the water-retaining agent into the soil, the plowing depth is 20-30 cm, and the plowing frequency is 3 times;

[0023] Layi...

Example Embodiment

[0030] Example 2

[0031] Design four different restoration cultivation measures for leaky paddy fields:

[0032] Traditional plow treatment: water storage and soaking in the farmland, after a period of time (more than 24 hours), the traditional paddy field plow is used to plow and harrow the land, and the number of plowing is 3 to 5 times that of the previous plowing.

[0033] Traditional plow + water-retaining agent treatment: use the traditional plow to plow once, then irrigate the field with water, and then use the above-mentioned traditional plow to plow the paddy field. The plowing depth is 20-30 cm, and the plowing frequency is 3 times; The powder of "Aidixipu" (a product of Jilin New Century Agricultural Technology Co., Ltd.) is evenly sprinkled on the field surface at a rate of 250kg / hm2.

[0034] Laying film with holes: Lay 0.03mm thick agricultural film at 30-40cm below the surface while plowing; after the anti-seepage agricultural film is laid, holes are drilled a...

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Abstract

The invention provides a Permian system coal mining sinking dust and mudstone layer weathering area paddy field water leakage repair method. The method comprises: (1) using a traditional plough for paddy field to plough once in a dry mode and filling water to soak the field; (2) evenly spreading paddy field soil anti-seepage water-retaining agent powder on the surface of the field according to a standard of 250 kg/hm <2>; and (3) turning the paddy field by the traditional plough, enabling the water-retaining agent to be turned in soil by the plough, and enabling the depth of turning plough to be 20 to 30 cm and the times to be 3 to 5 times, or (2) turning the paddy field by the traditional plough, and enabling the depth of turning plough to be 20 to 30 cm and the times to be 3 to 5 times and (3) evenly spreading paddy the field soil anti-seepage water-retaining agent powder on the surface of the field according to the standard of 250 kg/hm <2>. The repair method can play roles of supplying water, retaining water, supplying fertilizer, retaining fertilizer, conserving soil moisture, improving soil structure and environment, saving cost and promoting production of plants, and can be widely used in southwest mountainous region coal mining sinking area Permian system dust and mudstone layer weathering area water leakage paddy field so as to improve the conditions of water leakage and fertilizer leakage.

Description

technical field [0001] The invention relates to a method for repairing water leakage in paddy fields, in particular to a technical method for repairing water leakage in paddy fields by combining traditional paddy plows and water-retaining agents. Background technique [0002] The karst mountainous area in Southwest my country is located in the center of East Asia, one of the three major karst development areas in the world. The karst landforms are widely developed, the terrain conditions are complex, and the ecological environment is fragile, especially in the Permian limestone and mudstone weathered areas, where karst fissures and joints are developed. , the surface soil is mostly composed of clay and gravel, and the soil layer is thin and barren. With the continuous increase of raw coal production in Southwest China, the area of ​​coal mining subsidence area is also expanding, and the geological structure joints of the subsidence area are damaged and formed under the influen...

Claims

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Application Information

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IPC IPC(8): A01B79/00A01B77/00
Inventor 李妍均陈朝唐紫晗信桂新鲁嘉濠
Owner CHONGQING INST OF GEOLOGY & MINERAL RESOURCES
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