[EJ-12-20]Impacts of Training on Farmers’ Nitrogen Use in Maize Production in Shandong, China

Author：　　Periodical： 　　Source：

Author：Huang, Jikun, Cheng Xiang, Xiangping Jia and Ruifa Hu　　Periodical：Journal of Soil and Water Conservation, Vol. 67, No 4 (2012): 321-327.　　Source： ccap

JSWC_2012_Huang etc..PDF