Watershed management to enhance rainwater conservation and crop yields in semiarid environments—A case study at Hamelmalo Agricultural College, Anseba region of Eritrea
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- 作者：R.P. Tripathi ; rp.tripathi52@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Woldeselassie Ogbazghi wogbazghi@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Bunding ; Runoff ; Semiarid region ; Soil loss ; Sorghum ; Terracing
- 刊名：Agricultural Water Management
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：168
- 期：Complete
- 页码：1-10
- 全文大小：2467 K
文摘
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Broad base conservation bench terraces with shoulder bunds on >1–12% slopes and soil bunds on ≤1% slopes conserved entire rainwater as soil water.
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Watershed was representative of the area and water storage capacity of soils was more than rainfall in the region.
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Weighted average runoff from the watershed was 66%, which reduced to zero after development.
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Average soil loss by erosion was 268.6 t ha−1 year−1 from 9% slope, which reduced to zero after development.
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Rainwater conservation measures increased sorghum yield to 4263 kg ha−1.