If you have a garden bed, amend the soil with several inches of compost/manure and several of peat or coir to a depth of 12 inches. Organic material should be added annually, 1-2 inches total, to replace what breaks down in the soil. Wood mulch decreases evaporation and slowly breaks down and enriches the soil further. (Rich soil has high water retention.) Worms, voles and other diggers and wrigglers work the organic material down into the soil.
Answered on March 30, 2018
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