Collection system capable of realizing slope cropland surface runoff and interflow quantitative research
A technology of surface runoff and collection system, which is applied in measurement devices, sampling, instruments, etc., can solve the problems of loss of nutrient elements, small sample size, and large accidental errors.
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[0050] The collection system provided in this embodiment that can realize the study of surface runoff and soil flow in slope farmland includes a plurality of strip-shaped collection grooves buried in the soil along the slope direction, the length of the strip-shaped collection groove and the slope surface length Consistent, and the strip-shaped collection tank is provided with a permeable layer; the strip-shaped collection tanks are respectively buried at the bottom of the tillage layer, the core soil layer and the parent material layer, and the strip collection is buried at the bottom of the tillage layer, the core soil layer and the parent material layer The grooves are arranged in staggered rows, and the projections do not overlap each other. The burying along the slope here refers to burying from the top of the slope to the bottom of the slope. After burying, the strip-shaped collecting trough is parallel to the slope surface. One end of the strip-shaped collecting groove is...
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