Title: Xian dai nong ye ji shu gai lun
Description: Ben shu yi da nong ye wei bei jing, Quan mian xi tong di jie shao le xian dai nong ye ji shu, Bao kuo xian dai nong ye zhong zhi ji shu, Xian dai nong ye yang zhi ji shu, Xian dai nong ye yang zhi ji shu, Xian dai nong chan pin jia gong ji shu deng nei rong.
Subjects: Nong ye ji shu .