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189:. Removing the thatch helps the grass by encouraging it to thicken up and also makes it stronger and less susceptible to disease. Reducing thatch levels increases the levels of water, air and nutrients that can get through to the root zone of the grass plants. Significant thatch problems in lawns can cause diseases and can encourage moss to grow in the areas where grass has died. A by-product of scarifying or de-thatching is that
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is also removed, and depending on how deep the scarifying blades are set, root cutting can also occur, and this in turn helps grass to thicken up over time. Scarifying is normally carried out in autumn or spring. When scarifying or de-thatching, not all thatch should be removed as a small amount of
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The process is usually carried out by machines of a professional standard which are normally powered by gasoline engines. Smaller, less rigorous electric machines are also available for the domestic market. The process of scarifying is designed to remove thatch from lawns.
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Scarification or de-thatching of lawns or turf is a mechanical process whereby the surface and subsurface of the lawn, green or sports pitch is rigorously abraded by penetrating metal blades, tines or prongs.
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thatch is beneficial to the lawn. A lawn that has excessive thatch may feel spongy when trodden upon. After removing thatch, it can be swept or raked up using a
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and overcrowded grass roots and lateral weed growth. Thatch can stifle the growth and health of grass or
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Thatch is a build-up of organic matter which can include dead grass, leaves, stems,
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Bottom side of an electric lawn scarifier showing rotating metal blades
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Tow tine dethatchers can be attached to garden tractors
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53:. Unsourced material may be challenged and
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117:Learn how and when to remove this message
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62:Find sources:
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32:This article
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486:Lawn sweeper
476:Lawn aerator
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66:"Dethatcher"
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45:Please help
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606:Woodworking
527:Leaf blower
517:Garden hose
507:Brushcutter
500:Power tools
461:Earth auger
430:Wheelbarrow
298:Garden fork
622:Categories
481:Lawn mower
456:Dethatcher
451:Cultivator
435:Wood auger
261:Hand tools
202:References
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77:newspapers
638:Lawn care
358:Pitchfork
328:Hori hori
283:Broadfork
107:July 2011
34:does not
561:Forestry
551:Cleaning
512:Chainsaw
278:Billhook
183:rhizomes
586:Masonry
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353:Pickaxe
348:Mattock
343:Machete
338:Loppers
303:Grafter
179:stolons
91:scholar
55:removed
40:sources
596:Mining
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393:Shovel
388:Scythe
383:Riddle
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403:Spade
333:Kirpi
151:lawns
149:from
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378:Rake
323:Homi
191:moss
187:turf
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38:any
36:cite
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318:Hoe
273:Axe
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