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Saline-alkali land comprehensive improving system and improving method

A saline-alkali land and saline-alkali technology, which is applied in the direction of soil preparation methods, botanical equipment and methods, and climate change adaptation, can solve the problems of unfavorable application promotion and inconspicuous improvement effects, so as to increase crop yields and enhance collection of rainwater and irrigation water The ability to accelerate the effect of salt leaching and filtration

Active Publication Date: 2017-02-08
SHANDONG SUNWAY LANDSCAPE TECH
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Problems solved by technology

[0003] The main purpose of the present invention is to provide a comprehensive improvement system and improvement method for saline-alkali land in order to solve the problem that the improvement effect in the current saline-alkali land improvement technology is not obvious and is not conducive to application and promotion.

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  • Saline-alkali land comprehensive improving system and improving method

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Embodiment Construction

[0034] In order to make the technical solutions of the present invention clearer and clearer to those skilled in the art, the present invention will be further described in detail below in conjunction with the examples and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0035] like figure 1 As shown, a saline-alkali land comprehensive improvement system includes a grid-shaped saline-alkali land 100 and a water isolation layer 200 arranged under the grid-like saline-alkali land 100, a salt-controlling and seepage-increasing hidden pipe 300, a collection Water pipe 400, the moisture isolation layer 200 is arranged under the salt-control seepage-enhancing dark pipe 300 and the water collection pipe 400, and the salt-control seepage-enhancing dark pipe 300 and the water collection pipe 400 are laid alternately, The grid-shaped saline-alkali plot 100 is provided with a cofferdam 500 on the periphery, and automatic plowing equipment is ...

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Abstract

The invention discloses a saline-alkali land comprehensive improving system and belongs to the technical field of saline-alkali land improvement. The saline-alkali land comprehensive improving system comprises a latticed saline-alkali land with a cofferdam, a moisture separation layer, salt-controlling and permeation-increasing closed conduits and water collection pipes, wherein trapezoidal soil stacks and inverted-trapezoidal trenches are plowed on the saline-alkali land; salt-controlling and permeation-increasing holes, water collection holes and detection scaleplates are drilled on the land; non-woven fabric filtering material is arranged on the salt-controlling and permeation-increasing pipes; and a water inlet hole is formed in ach water collection pipe. The invention further provides an improving method for the improving system. The improving method comprises steps of selecting a land, paving the moisture-separation layer, burying the salt-controlling and permeation-increasing closed conduits and water collection pipes, repairing the cofferdam, a trapezoidal soil pile, an inverted-trapezoidal trench, punching holes, applying soil fertilizer, planting crops, managing the field, and managing the salt-controlling and permeation-increasing closed conduits and the water collection pipes. Soil moisture storage property can be improved and nutrient can be remained; soil shatter value can be improved and soil hardening degree can be enhanced; water and fertilizer can be remained; great temperature increasing effect can be achieved; salt in a ploughing area can be greatly decreased; and salt content can be controlled within 0.2%.

Description

technical field [0001] The invention relates to a system and method for comprehensive improvement of cultivated land, in particular to a system and method for comprehensive improvement of saline-alkali land, belonging to the technical field of soil improvement for saline-alkali land. Background technique [0002] China currently has 100 million hectares of saline-alkali land, most of which are distributed in arid and semi-arid regions such as North China, Northwest and Northeast China, mainly including Xinjiang, Qinghai, Gansu, Ningxia, Shaanxi, Inner Mongolia, and northeast Shanxi. Most of them belong to the Yellow River system, and the groundwater level is significantly affected by the Yellow River system. The groundwater level is high. The local drinking wells are generally around 20m, and the groundwater level is around 2m. The main soil types are saline soil and aeolian sand, which are developed on the parent material of aeolian sand. The juvenile soil contains a lot of...

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Application Information

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IPC IPC(8): A01B77/00A01B79/02A01G1/00E02D3/00
CPCA01B77/00A01B79/02E02D3/00Y02A40/10
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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