Ecological Benefit of Soil and Water Conservation in Hilly Areas by De farming and Reafforestation

LUO Hai-bo~

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Ecological Benefit of Soil and Water Conservation in Hilly Areas by De farming and Reafforestation

更新时间：2024-11-07

- Ecological Benefit of Soil and Water Conservation in Hilly Areas by De farming and Reafforestation
- Vol. 17, Issue 4, Pages: 31-34(2003)
- 作者机构：
- 作者简介：
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- DOI：
  CLC： S727.2S157.2
- Published：2003
- 稿件说明：
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LUO Hai-bo~. Ecological Benefit of Soil and Water Conservation in Hilly Areas by De farming and Reafforestation[J]. 2003, 17(4): 31-34.
DOI：

LUO Hai-bo~. Ecological Benefit of Soil and Water Conservation in Hilly Areas by De farming and Reafforestation[J]. 2003, 17(4): 31-34. DOI：

摘要

通过3年定位、半定位观测

对贵州山区退耕还林(草)地进行采样并采用无界径流小区法收集地表径流样品

探讨贵州山区退耕还林(草)措施对贵州山区土壤养分流失以及水土保持效益的影响。试验结果表明:退耕还林(草)后旱坡地地表径流中泥沙含量降低

土壤养分流失减少

土壤容重降低

土壤理化性质改善。尤其是旱坡陡耕地

可以明显降低土壤侵蚀。

Abstract

Based on 3 years locating and semi-locating observation

the amount of soil loss in runoff from yellow soil of hilly areas by de farming and reafforestation in Guizhou province. The results showed: reduce the soil nutrient to runoff

improve soil physical properties

increase the soil hole capacities

reduce soil bulk density and reduce soil and water losses

can obviously lower the soil erosion.

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