Research on Dry-resisting Forestation Technique with Dripping Irrigation under Plastic Film and Efficiency of Reducing Soil Erosion on Reforest Slope Lan

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Research on Dry-resisting Forestation Technique with Dripping Irrigation under Plastic Film and Efficiency of Reducing Soil Erosion on Reforest Slope Lan

更新时间：2024-11-07

- Research on Dry-resisting Forestation Technique with Dripping Irrigation under Plastic Film and Efficiency of Reducing Soil Erosion on Reforest Slope Lan
- Issue 6, Pages: 190-192(2004)
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- Published：2004
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Research on Dry-resisting Forestation Technique with Dripping Irrigation under Plastic Film and Efficiency of Reducing Soil Erosion on Reforest Slope Lan[J]. 2004, (6): 190-192.
DOI：

Research on Dry-resisting Forestation Technique with Dripping Irrigation under Plastic Film and Efficiency of Reducing Soil Erosion on Reforest Slope Lan[J]. 2004, (6): 190-192. DOI：

摘要

以黄土高原主要造林树种刺槐、油松为材料

以坡地常规造林技术为对照

研究了退耕坡地大鱼鳞坑覆膜打孔滴灌技术

使水通过滴灌管缓慢滴入土壤深处

避免了水分无效蒸发

可使刺槐造林成活率达到98 7%

油松达到91 4%

分别比对照提高了36 6%和38%。在降雨量相同的情况下可明显促进幼树生长

刺槐3年平均生长量比对照提高28 1%

油松提高39 3%

树冠投影面积增加2倍。在中强度降雨2次/a、总降雨量387 4mm情况下

25°坡地土壤侵蚀模数下降至2500t/(a·km2)以下。

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Research on Dry-resisting Forestation Technique with Dripping Irrigation under Plastic Film and Efficiency of Reducing Soil Erosion on Reforest Slope Land

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