腐殖土 fǔ zhí tǔ

DEFINITIONS

  1. humus (topsoil of decayed vegetation)

CHARACTERS

腐 fǔ
HSK 5
rot, decay, spoil; rotten
殖 zhí
HSK 6
breed, spawn; increase; prosper
土 tǔ
HSK 5
soil, earth; items made of earth