Effect of Soil and Water Conservation about Planting Paspalum notatum in Tail Mineral Slag of Rare-Earth

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Effect of Soil and Water Conservation about Planting Paspalum notatum in Tail Mineral Slag of Rare-Earth

更新时间：2024-11-07

- Effect of Soil and Water Conservation about Planting Paspalum notatum in Tail Mineral Slag of Rare-Earth
- Issue 4, Pages: 122-124(2003)
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- Published：2003
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Effect of Soil and Water Conservation about Planting Paspalum notatum in Tail Mineral Slag of Rare-Earth[J]. 2003, (4): 122-124.
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Effect of Soil and Water Conservation about Planting Paspalum notatum in Tail Mineral Slag of Rare-Earth[J]. 2003, (4): 122-124. DOI：

摘要

1998～2002年，通过种植百喜草(Paspalun notatum)治理江西省龙南县稀土尾砂，经水土保持试验研究表明：尾砂裸露区(简称对照区)和百喜草种植区(简称植草区)年均径流量分别是302m^3／hm^3和1326．6m^3／hm^3；径流系数分别是35．5％和15．3％；5年合并径流量(Y)与降雨量(x)的直线回归方程分别是：y=4．2562x-47．71和Y=1．3205x-37．31；年均泥沙侵蚀量分别是1073．12t／hm^2和91．02t／hm^2；泥沙侵蚀量(Q1)与径流量(Q)的函数方程分别是：Q1=1．5182Q^0.6971和Q1=Qe^-4.6978C(C为百喜草覆盖度)。研究结果还表明：种植百喜草，可快速、有效地降低稀土尾砂水土流失。

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Effect of Soil and Water Conservation about Planting Paspalum notatum in Tail Mineral Slag of Rare-Earth

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