The mulch adds humus in the soil as it decomposes thus enriching the soil. It enhances the retention of water in the soil by protecting it from direct sunlight/ wind. It controls/ stops run-off/ speed of surface run-off by acting as a cover to the soil. It provides a suitable habitat for organisms that aerate the soil by burrowing.
maurice.mutuku answered the question on July 4, 2017 at 05:57
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