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Old Posted: 19-06-2009 , 10:42 PM #3
freeasabird
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Join Date: Jun 2009
Posts: 4
Default concrete

Grass will grow normally in 200mm of soil, you may be able to leave the concrete and put topsoil on top. I have done this and it works great.

Topsoil is the top layer of soil in a garden down to a depth of about 200mm, it is necessary for growth
Subsoil is the soil under the topsoil, crap for growing.
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