Gardener's Dictionary: Mulch
Mulch (n.): Rocks, bark chips, straw, peat moss, etc., spread on the topsoil around container plants to reduce evaporation of water from the soil and splashback during watering.
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Mulch (n.): Rocks, bark chips, straw, peat moss, etc., spread on the topsoil around container plants to reduce evaporation of water from the soil and splashback during watering.