Ditch slope soil fixation and water retention method for farmland soil erosion ditch
A soil erosion and erosion ditch technology, applied in soil protection, construction, infrastructure engineering, etc., can solve the problems of occupying farmland and reducing the area of farmers' cultivated land, and achieve the effects of increasing water permeability, avoiding erosion, and increasing economic benefits
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[0022] 1. The farmland sample land implemented this time is in the arid and semi-arid area of Fushige Township, Fumeng County, Fuxin City, Northwest Liaoning Province, surrounded by eroded ditches and slopes of farmland soil, and the distribution range of longitude and latitude is W: 121°07′38.202″ -121°08′1.182″, N: 42°7′49″-42°8′17.46″, the altitude distribution range of farmland is 269.3-316.1 m. The farmland is slope-cut to a certain extent, so that the farmland presents a stepped distribution, and the direction of the steps is perpendicular to the direction of the erosion ditch.
[0023] 2. Use sand with a particle size of less than 2mm to improve the soil on the 3 terraced farmlands. The farmlands were set as sample plots from top to bottom ,Look like ,Look like :
[0024] 1) Measured plot The area is 1.36 mu, and three sample points were selected at the slope of the sample plot to measure the soil layer thickness. The average depth of the soil layer on the ri...
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