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If you want to have an attractive lawn, you must control lawn thatch. What is thatch, you ask? Thatch is a layer of undecomposed stems and roots that accumulates near the soil surface. ... Thatch is a normal part of any lawn and only becomes harmful when the thatch layer is thicker than one-half inch.
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www.uvm.edu/pss/ppp/articles/thatch.htm
www.uvm.edu/pss/ppp/articles/thatch.htm
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Growing grass successfully requires attention to watering lawns and removal of lawn thatch (dethatching). Watering lawns and removing lawn thatch are related, since dethatching will ensure water gets to the roots. ... Lawn Thatch: Nemesis of Growing Grass Well...
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landscaping.about.com/cs/lawns/a/green_lawns_2.htm
landscaping.about.com/cs/lawns/a/green_lawns_2.htm
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Definition of thatch. To promote lawn health, the layer of dead turfgrass tissue known as thatch should be removed. ... Definition: Lawn thatch is the layer of dead turfgrass tissue between the green vegetation and the soil surface that must be removed (a process known as "dethatching") to maintain lawn health.
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landscaping.about.com/cs/lazylandscaping/g/thatch.htm
landscaping.about.com/cs/lazylandscaping/g/thatch.htm
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How to De-Thatch a Lawn. You know the feel of a great lawn under your bare feet, and you work hard to grow that thick carpet. But when the turf feels too spongy as you walk on it, or water runs right off the surface, it's... ... How to De-Thatch Lawn Grass...
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www.ehow.com/how_17925_de-thatch-lawn.html
www.ehow.com/how_17925_de-thatch-lawn.html
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Thatch buildup may be related to earthworms and night crawlers in the lawn. Thatch tends to develop in lawns where there are few, if any, earthworms...
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www.extension.umn.edu/info-u/plants/BG535.html
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Every lawn has a layer of thatch between the soil surface and the green grass. Although it contains some living grass parts, thatch primarily consists of accumulated dead grass stems and roots that resist decomposition.
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www.trugreen.com/tg/resourcecenter/yourLawn/thatch.dsp
www.trugreen.com/tg/resourcecenter/yourLawn/thatch.dsp
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Thatch is the accumulation of dead stems and roots of grass, not the leaves. The leaves tend to decompose rapidly, so grass clippings left on the lawn do not contribute directly to thatch buildup. Leaving the grass clippings on the lawn is beneficial if you manage them properly.
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www.cahe.nmsu.edu/ces/yard/2001/031001.html
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Re: Does chemical fertilizer cause lawn thatch? ... A healthy lawn will retain a light layer of thatch which is critical to retaining moisture and preventing weed seed germination. ... Most organic fertilizers feed more slowly and promote a slower growth cycle, which equals a more natural and manageable layer of thatch on the lawn.
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www.tractorbynet.com/forums/lawn-garden/43435-does-chem...
www.tractorbynet.com/forums/lawn-garden/43435-does-chemical-fertilizer-cause-lawn.html
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When it comes to having a lush and healthy lawn, thatch is your enemy. Thatch can block water and nutrients from reaching your grass's roots, weakening the whole plant. Thatch can also trap moisture near the blades of your grass, increasing...
http://www.allaboutlawns.com/lawn-maintenance-care/aera...
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