shu xue- nong ye ke xue wei sheng wu- nong ye ke xue fen xi(hua xue)- nong ye hua xue shu xue mo xing- sheng wu xue nong ye ke xue shu xue mo xing- yi xue Nong ye ke xue shu xue wen hua xue/ shu xue fang fa- wu li xue shu li jing ji xue