Wu Collection, Lower Volume
Radical: Grain (hé)
Zi
Kangxi stroke count: 8
Page 849, Entry 09
Broad Rhymes (Guangyun): Pronounced zi (rising tone)
Collected Rhymes (Jiyun): Pronounced zi (rising tone)
Correct Rhymes (Zhengyun): Pronounced zi (rising tone)
From the Explanation of Writing (Shuowen Jiezi): To bank soil around the roots of grain.
Book of Odes (Shijing), Lesser Odes: Some are weeding, some are banking. It is written with the plow radical as zi.
History of the Former Han (Qianhan Shu): Cites the Book of Odes using the variant form zi.
Also, Collected Rhymes (Jiyun): Pronounced zai (falling tone). Common term for grain growing in a dense, tangled manner, referred to as zi.