1. Black plastic mulch can help keep them warm. 用黑塑料护根能帮助它们保持温暖。
2. Too much mulch can restrict oxygen and water flow. 过多的护根则有碍于氧气和水流通。
3. Some gardeners use leaf mulch -- fine particles of leaves -- instead of wood mulch around trees, especially young trees. Leaf mulch can also be used in flower beds. 有些园艺家在树木尤其是小树苗周围用树叶作盖土—树叶的细微粒物—代替木质盖土,树叶盖土也能作花床。
英英解释
n.
1. a protective covering of rotting vegetable matter spread to reduce evaporation and soil erosion
2. cover with mulch