Studies on soil and water conservation in Chinese cassava field
文献类型: 外文期刊
第一作者: Huang, J
作者: Huang, J;Li, KM;Ye, JQ;Liu, GD;Liu, YH;He, Y
作者机构:
关键词: cassava;water and soil conservation;vertiver grass
期刊名称:PROCEEDINGS OF THE CHINA ASSOCIATION FOR SCIENCE AND TECHNOLOGY, VOL 1, NO 2
ISSN:
年卷期: 2004 年
页码:
收录情况: SCI
摘要: In the present paper, the water and soil erosion or conservation in cassava field all over the world was described. Since 1989 in China, there are international cooperative researches on soil and water conservation in cassava field in Chinese Academy of Tropical Agricultural Science (CATAS)and International Center of Tropical Agriculture (CIAT), then Japanese Nippon Foundation supported it from 1994 to 2003. In the experiment, it was found that zero-tillage, chemical weeding, contour ridging, rational close planting and fertilization, intercropping and green hedgerow etc. are very effective both for reducing erosion and increasing yield. The experimental results on soil and water conservation in cassava field in 1997-2001 showed that the hedgerow of Vetiver grass (Vetiveria zizanioides (Linn.) Nash) was the best effectiveness for reducing soil erosion (dry soil loss decreased by 68.3%) and increasing cassava yield (cassava yield increased by 2.7%) than CK.
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