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Doctors Medicines MCQs Q&A

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Ideally you should pull weeds before applying mulch, but often putting mulch on top of weeds will be enough to kill them, though it depends on the weed. A 4 inch layer of mulch will generally be able to prevent any seeds from sprouting, so at least apply this much. Then, pay attention to the mulched area and pull any weeds that are able to grow through.

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