宁夏西吉县和盐池县农业推广体系运行现状与改革对策

简小鹰[1] 徐正冠[2] 武万林[3] 李天鹏[4]

Operational Status and Reforming Strategies on Agricultural Extension System in Xiji and Yanchi County of Ningxia

JIAN Xiao-ying , XU Zheng-guan , WU Wan-lin , LI Tian-peng

. 2006, (3): 68 -72 .