生计多样化背景下种植业非点源污染负荷演变
	
	
		钟建兵, 邵景安, 杨玉竹
	
	
	
		Characteristics of non-point source pollution load of crop farming undergoing the background of livelihood diversification
	
	
		Jianbing ZHONG, Jing'an SHAO, Yuzhu YANG
	
	
	
	地理学报
	. 
	
	2016, (7): 1201
	
	-1214
	
	
	. 
	
	DOI: 10.11821/dlxb201607009