Nong chang guan li:ji hua guan li Nong chang guan li- guan li xue Nong ye jing ji- ji hua guan li gong cheng xiang mu guan li Qi ye guan li:yan jiu hua guan li gong shang hang zheng guan li hong guan jing ji guan li Hua gong chang- gong ye qi ye guan li Gong ye qi ye guan li- sheng chan guan li Nong cun- sheng chan zu zhi- cai wu guan li