"articlein todays paper 5/28/2000<br>By Joyce Resencrans--Script Howard News Service--Edited by me<br>Today's little lawn lesson is about thatch, a dreaded condition decribed by turf-company'telemarketers. But you lawn may not have thatch at all. For years, as long as mowers came equipped with pickup bags, many people mistakenly thought they were strangling their lawns with thatch by failing to pickup grass clippings. This collective guilt came to an abrupt halt with the introduction of mulching mowers. Yes chopped-up grass clippings left by the wayside are actually good for grass.<br> Nasty thatch is an accumulation of dead, partially decomposed grass roots and stems caused by excessive watering and fertilizing..."<br>She say experts recommend watering depply once a week instead of lightly every day. Lightly everyday causes roots to cluster at the surface and turn into the dense mat that hold out air, water and nutrients while encouraging pest and disease problems.<br>Recommended cure is areating.