[EJ-15-4]Reducing excessive nitrogen use in Chinese wheat production through knowledge training: What are the implications for the public extension system?

作者：　　期刊： 　　来源：

作者：Jia, Xiangping, Jikun Huang, Cheng Xiang and David Powlson　　期刊：Agroecology and Sustainable Food Systems, 39 (2015):189–208.　　来源： ccap

ASFS_2015_4.pdf