'''Mulch''' is a protective covering such as straw or leaves that is spread on the ground. It's primary function is to reduce evaporation or control weeds<ref>The Merrian-Webster Concise School and Office Dictionary, Merrian-Webster Inc, 1991</ref>. It usually includes some form of plant material.
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'''Mulch''' is a protective covering such as straw or leaves that is spread on the ground. Its primary function is to reduce evaporation or control weeds<ref>The Merrian-Webster Concise School and Office Dictionary, Merrian-Webster Inc, 1991</ref>. It usually includes some form of plant material.