mulch

1.a mulch of sodden brown stems.

一枝干。

2.I used stable muck as a mulch for my roses.

我用厩肥做我玫瑰护根。

3.regular mulches keep down annual weeds.

定期铺覆盖料可抑制杂草每年生长。

4.mulches encourage many plants to seed freely.

覆盖膜促进许多植物大量结籽。

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

综合各种效应，不同处理优劣顺序为覆草＞盖膜＞浅松土＞表层松土＞对照。