mulch

a mulch of sodden brown stems.

一堆湿透的褐色枝干。

I used stable muck as a mulch for my roses.

我用厩肥做我玫瑰的护根。

regular mulches keep down annual weeds.

定期铺覆盖料可抑制杂草每年的生长。

mulches encourage many plants to seed freely.

覆盖膜促进许多植物大量结。

The integrated effects exhibited grass mulching> plastic film mulching > shallow scarification > soil surface scarification > the control.

各种效应，不同处理优劣顺序为覆草＞盖膜＞浅松土＞表层松土＞对照。