ㄑㄧˊㄇㄧㄣˊmínㄧㄠˋyàoㄕㄨˋshù

  1. 後魏農事異聞古雅援引博奧農家古者

Essential skill to benefit the people, sixth century encyclopedia of agricultural knowledge by Jia Sixie 賈思勰[Jia3 Si1 xie2]
Qimin yaoshu