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Film mulching and drip irrigation method for saline-alkali land in Yellow-river irrigated region

A technology of saline-alkali land and film covering, which is applied in the direction of soil preparation methods, fertilization methods, botanical equipment and methods, etc., can solve problems such as drip irrigation and sediment blockage, and achieve improved secondary salinization, good light transmission, and good softness Effect

Inactive Publication Date: 2017-01-25
SHANDONG SUNWAY LANDSCAPE TECH
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Problems solved by technology

Therefore, the large-scale development of film-covered drip irrigation in the Yellow River irrigation area will help the Hetao area to achieve water-saving irrigation and salinity and alkali reduction. However, problems such as drip irrigation sediment blockage, drip irrigation water source guarantee, and regional water-salt balance still need to be solved.

Method used

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  • Film mulching and drip irrigation method for saline-alkali land in Yellow-river irrigated region

Examples

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Effect test

Embodiment

[0026] Example: Planting potatoes and improving soil salinity by film-mulching drip irrigation.

[0027] Select 200 mu of saline-alkali land in Xijuzi Village, Xixiaozhao Town, West Xiaozhao Town, Bayannur City, Bayannaoer City, Inner Mongolia Autonomous Region to carry out the film-covering irrigation method of the present invention. There is no huge elevation change in the construction area, and there is no need to demolish buildings. The water system in the entire Wuradqian Banner belongs to the Yellow River system. The test field is only about 10 kilometers away from the Yellow River. There are irrigation canals from the Yellow River all around. The groundwater level is high. The local drinking water well is generally about 20 meters, and the groundwater level is about 2 meters.

[0028] After leveling the saline-alkali land in the test field, a ditch was used to dig a ditch with a depth of 10 cm, a ditch width of 40 cm, and a ridge width of 40 cm between ditches. The dri...

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Abstract

The invention discloses a film mulching and irrigation method for saline-alkaline land in Yellow-river irrigating region. In detail, the film mulching and irrigation method comprises the steps of 1) leveling the land and ditching; 2) laying irrigation system; 3) sowing crop and salt-adsorbing plant in interval; 4) mulching film; 5) making up drip irrigation liquid and dripping; 6) managing field and preventing diseases and pests until harvest. The method uses special methods of ditching, pipe laying, sowing, film mulching and irrigation. The method can not only control the stalinization of saline-alkali land in Yellow-river irrigated region effectively, but also guarantee the normal growth of crop in the condition until harvest. The method provides new thought and new method for the effective application of saline-alkaline land in Yellow-river irrigated region.

Description

technical field [0001] The invention belongs to the technical field of water-saving irrigation and relates to a film-covered drip irrigation method for saline-alkali land in the Yellow River irrigation area. Background technique [0002] Saline-alkali land is a form of salt accumulation, and the salt contained in the soil will affect the normal growth of agricultural and forestry crops. According to the data published in the white paper of the Ministry of Land and Resources in 2014, the stock of saline-alkali land in my country is 2.045 billion mu, and about 500 million mu of saline-alkali land resources can be arranged and utilized, of which about 100 million mu is concentrated and contiguously distributed, mainly including sulfate-type saline-alkali land in Northwest China 30 million mu, 30 million mu of soda saline-alkali land in Northeast China, 15 million mu of secondary saline-alkali land in Hetao irrigation area, 15 million mu of coastal tidal flat saline-alkali land a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/00A01C21/00A01B79/02A01G13/02
CPCA01B79/02A01C21/005A01G13/0275A01G25/00Y02A40/22
Inventor 王胜
Owner SHANDONG SUNWAY LANDSCAPE TECH
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