constant loss contour 恒定衰减曲线
In the plot experiment on runoff, the loss of water, soil and fertilizer and the characteristics of contour terrace, grass wasteland and eroded soil were studied.
采用径流小区法研究等高梯地、荒草地、侵蚀地三种类型水土肥流失及其变化特点。
Soil loss of the pure contour hedgerow plot was 37.71% of that of the pure crop plot.
单纯等高植物篱处理小区的侵蚀量仅为在相近雨强及雨量条件下对照坡耕地的37 71%。
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