Study on soil erosion and its effects on agriculture sustainable development in westHenan province loess hilly areas

摘要

This paper studied evolution and present status of soil erosion in west Henan province's loess hilly areas on basis of analysis of physical geographical conditions with comparison methodology and pointed that the current situation of soil erosion, furthermore analyzed causes and harmfulness on social and economical development in this region, thereby, the measures of soil and water conservation have been proposed.