Zi Collection, Upper Volume, Page 11, Entry 05 Radical: Plow (lěi) Pronounced bù xiàng (falling tone), same as "bàng". A farming tool similar to a plow. "Piya (Piyā)" records it as a farming tool. Zi Collection, Upper Volume, Page 11, Entry 06 Radical: Plow (lěi) Pronounced pú hóu (falling tone), same as "póu". "Boyá (Bóyǎ)" explains that "kē gēng" means to cultivate.