Method for mechanically breaking impermeable sticky board layer in deep soil

A technology of deep soil and sticking boards, which is applied in the fields of soil preparation methods, agricultural machinery and implements, and applications, and can solve problems such as inability to accommodate irrigation water, inability to discharge salt out of the soil, and limited area.

Active Publication Date: 2015-03-25
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technology is aimed at the point-shaped distribution of salt spots, and the salt is finally discharged into the dug shaft, but for the sticky board layer distributed in sheets with a depth of 80-120 cm and a thickness of 10-30 cm, the shaft involved in this method Due to the limited area of ​​penetrating the sticky layer, it cannot accommodate too much irrigation water, so that the salt cannot be drained out of the soil in the short term

Method used

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  • Method for mechanically breaking impermeable sticky board layer in deep soil
  • Method for mechanically breaking impermeable sticky board layer in deep soil
  • Method for mechanically breaking impermeable sticky board layer in deep soil

Examples

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Effect test

Embodiment 1

[0017] The method of the present invention is tested in the orchard field of the 4th Brigade, Tajik Abati Town, Taxkorgan County. This field belongs to newly reclaimed salt wasteland, and 70% of the area has an impermeable sticky board layer and is distributed in the deep soil of 1-1.2m. layer, which resulted in field water accumulation for up to 10-15 days, and crops in areas with sticky lamella basically failed to harvest;

[0018] a. Select the width and depth of the ditch according to the depth of the sticky board layer distribution, that is, for the sticky board layer distributed at a depth of 80-100cm, configure the ditching machine with a wide opening with a ditch width of 30cm and a maximum ditch depth of 110cm. Ditching chain; for the sticky board layer distributed at a depth of 100-120cm, the ditching machine is equipped with a narrow ditching chain with a ditching width of 20cm and a ditching depth of up to 130cm;

[0019] b. Setting of ditch spacing: According to t...

Embodiment 2

[0032] The method of the present invention is tested at No. 5 strip field of 2 brigades of Tajik Abati Town, Taxkorgan County, and 40% of the area of ​​this strip field has an impermeable sticky board layer and is distributed in the deep soil layer of 1-1.2m, which leads to The time of water accumulation in the field is as long as 10-15 days, and the crops in the area with sticky lamina are basically completely lost;

[0033] a. Select the width and depth of the ditch according to the depth of the sticky board layer distribution, that is, for the sticky board layer distributed at a depth of 80-100cm, configure the ditching machine with a wide opening with a ditch width of 30cm and a maximum ditch depth of 110cm. Ditching chain; for the sticky board layer distributed at a depth of 100-120cm, the ditching machine is equipped with a narrow ditching chain with a ditching width of 20cm and a ditching depth of up to 130cm;

[0034] b. The setting of the ditch spacing is mainly based...

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Abstract

The invention relates to a method for mechanically breaking an impermeable sticky board layer in deep soil. According to the method, a ditcher is used for fast breaking the sticky board layer with the distribution depth of 80-120 cm and the thickness of 10-30 cm, and in order to ensure sticky board layer breaking and increase the drainage and salt-leaching speed of farmland soil, the ditching depth, width and distance are determined according to the distribution depth of the sticky board layer; in order to shorten the drainage time for a farmland as much as possible, according to the characteristic that the sticky board layer is discontinuously distributed in the farmland, the portion, distributed on the side away from an alkali discharge lateral canal in a concentrated mode, of the sticky board layer is ditched in the direction perpendicular to a field alkali discharge field canal, so that farmland drained water is promoted to enter the lateral canal through the field canal; the portion, distributed close to the field alkali discharge lateral canal in a concentrated mode, of the sticky board layer is ditched in the direction perpendicular to the alkali discharge lateral canal, so that the farmland drained water is directly drained to the alkali discharge lateral canal nearby. After ditching is carried out, aeolian sand or smashed straws are added into ditches according to the thickness of the sticky board layer, then soil turned out during ditching is backfilled, and salt-leaching with a great deal of water is carried out.

Description

technical field [0001] The invention relates to a method for mechanically breaking the impermeable sticky slab in deep soil, aimed at improving the saline-alkali land containing the impermeable sticky slab with a distribution depth of 80-120 cm, and belongs to the field of soil improvement. Background technique [0002] The present invention aims at the problem that a large number of fine soil particles are deposited downstream or at the end of the watershed due to the sedimentation of floods, forming a thicker impermeable sticky board in the deep soil, making it difficult to drain the farmland soil, and making it difficult to wash the soil salt question. The distribution depth of the impermeable sticky board layer in the soil is generally 80-120 cm, and the thickness is between 10-30 cm. The existence of the sticky lamina blocks the infiltration of irrigation water and the removal of salt in the farmland. Causes irrigation water to stagnate on the farmland surface for 10-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00
Inventor 尹传华田长彦乔木
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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