Experiences and Research Perspectives on Sustainable Development of Rice-Wheat Cropping Systems in the Chengdu Plain, China

Chi Zhong-zhi; Jiang Xin-lu; Tang Yong-lu; Zhang Hong; SCI

机构： Sichuan Acad Agr Sci, Tillage & Cultivat Res Ctr, Chengdu 610066, Peoples R China;

来源：AGRICULTURAL SCIENCES IN CHINA年份：2010

关键词： rice-wheat cropping system principle strategies rotation sustainable soil productivity simplification cultivation techniques Chengdu Plain