Mulch



GRE

解释

GRE 红宝书

• n. 覆盖料, 护根 ( 保护土壤及植物根的覆盖物) ; v. 覆盖
• ［英］ 覆盖料, 护根 ( a covering of material used to improve soil and protect the roots of plants) 用覆盖料覆盖 ( cover with a mulch)

Webster Collegiate

noun

• Etymology: perhaps irregular from English dialect melch soft, mild
• Date: 1657
• a protective covering (as of sawdust, compost, or paper) spread or left on the ground to reduce evaporation, maintain even soil temperature, prevent erosion, control weeds, enrich the soil, or keep fruit (as strawberries) clean
• ? mulch transitive verb

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