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Updated: August 8, 2017
The most common reason for using a mulch is to eliminate weeds or at least retard their growth. Where a mulch layer is sufficiently deep, few weeds will grow. In addition to controlling weeds, mulches also aid the optimum development of the plants that grow in the mulched areas. Other advantages include the following:
Although the advantages of properly used mulches far outweigh the few disadvantages, several inherent problems might occur when mulch materials are used as a form of weed control around plants. Once some of the following limitations are understood, mulches can be adapted to most situations.
One final possible problem with mulches involves the area of soil rather than the material itself. Mulching is not recommended around plants in soils that tend to remain too wet. A mulch will only aggravate the waterlogged soil by preventing evaporation of the excess water.
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