壅土 [－－]

Jyutping ung1 tou2
Pinyin yōng tǔ

Definitions (Wiktionary)
  1. verb
    to heap soil over and around the roots of plants
    (syn.) 培塗, 培泥, 培涂, 培土, 壅泥, 培
  2. noun
    piled-up earth