humus reserve是什么意思

网络释义

1)humus reserve,腐殖集积量2)humus accumulation energy,腐殖集积能3)putrid slime,腐殖沉积4)a horizon,腐殖堆积层5)accumulation of humus,腐殖质蓄积6)humus accumulation,腐殖质沉积