Erosion-reducing tillage method for slope soil
A soil and slope land technology, applied in the field of agricultural measures to control soil erosion on steep slopes on the Loess Plateau, can solve problems such as the lack of technical systems and standards
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Embodiment 1
[0016] The test site was selected on a sloping cultivated land with a slope of 12.5° (10°-15°) at the Shenmu Erosion and Environmental Experiment Station of the Institute of Water and Soil Conservation, Ministry of Water Resources, Chinese Academy of Sciences. Eight plots were set up, and soybean and millet straw mulching and plastic film were randomly set up. Mulching, ridge mulching.
[0017] 1. Straw mulching: plowing, on-demand sowing of beans, and furrow sowing of cereals, and then covering the whole stalks horizontally in the ridges of the farmland, suppressing them with scattered soil blocks, and planting crops on both sides of the ridges; the distance between the ridges is 50cm, and the width of straw coverage is 50cm. Straw consumption 3500kg / hm 2 ~4500kg / hm 2 .
[0018] 2. Film mulching: plowing, on-demand sowing of beans, furrow sowing of cereals, and 50cm of sowing behavior. Then spread the plastic film between the sowing rows, that is, planting between the film...
Embodiment 2
[0030] On slopes with a slope of 15°~20°, the straw coverage is 4500kg / hm 2 -5500kg / hm 2 , Ridge height 50cm. The rest of the steps are the same as those in Embodiment 1 and will not be repeated here.
Embodiment 3
[0032] On slopes with a slope of 20°~30°, the straw coverage is 5500kg / hm 2 -7500kg / hm 2 , Ridge height 50cm. The rest of the steps are the same as those in Embodiment 1 and will not be repeated here.
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