Characteristics of agricultural non-point source nitrogen and phosphorus losses in a typical small watershed in Three Georges Reservoir area.
SUN Zheng-bao1,2, CHEN Zhi-jian1**, LIAO Xiao-yong1, WANG Hai-ming1
1Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;2Graduate University of Chinese Academy of Sciences, Beijing 100049, China