Wei Collection, Middle Volume Radical: Plow (lěi) Page 962, Entry 20 Pronounced zi (rising tone). Broad Rhymes (Guangyun): To heap soil around the base of seedlings. Book of Odes (Shijing), Lesser Odes (Xiaoya): Now going to the southern fields, some weeding, some heaping soil. Commentary: Heaping soil around the base of the plant. Also pronounced zi (level tone). Book of Odes (Shijing), Lesser Odes (Xiaoya): Some weeding, some heaping soil. Shen Zhong reading. In the Collected Rhymes (Jiyun), it is also written in a variant form (zi).