What can I do to keep my grass alive during drought conditions?
Lawns love water, but you can spoil them by providing too much too often. New lawns require more water than established ones, but too much moisture is hazardous to any lawn’s health. Overwatering keeps the top layer of soil wet and encourages grass to develop weak, shallow roots, leading to quick injury in hot, dry weather. Infrequent but deep watering stimulates deep root growth and provides the best results. Excess water also leaches nutrients from the root zone, and may lead to nitrogen deficiency. You also may be adding to a drainage problem by leaving your sprinkler on for long periods. Improving your drainage might mean changing the grade of your yard or installing simple swales, baffles, and contours. Swales are long, narrow, shallow depressions that divert runoff. Baffles are small pieces of edging partially buried in the ground to slow runoff and let water soak in. Contours are ripples or bumps that intercept water and divert it through perforated pipes laid just under the surface.
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