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  #1  
Old 04-07-2011, 09:47 PM
grassmasterswilson grassmasterswilson is online now
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Location: nc
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3-4 inches topsoil on top of clay

So I have a centipede lawn up on a hill. At the bottom of the the hill next to the curbing the ground is really wet and killing the grass. I took my soil prob and punched it 18 in in the gound. the top 3-4 inches was nice topsoil and the rest was thick sticky orange clay. I'm thinking the curbing cause a daming effect of the water running down the hill and the clay is keeping the water from draining.

I was thinking to correct this I could take my prob and pull as deep a core as I could and fill the hole with sand. Figured this might help loosen the clay and help the water penetrate deep in the soil.

Any ideas?
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Old 04-08-2011, 08:17 AM
Smallaxe Smallaxe is online now
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Quote:
Originally Posted by grassmasterswilson View Post
So I have a centipede lawn up on a hill. At the bottom of the the hill next to the curbing the ground is really wet and killing the grass. I took my soil prob and punched it 18 in in the gound. the top 3-4 inches was nice topsoil and the rest was thick sticky orange clay. I'm thinking the curbing cause a daming effect of the water running down the hill and the clay is keeping the water from draining.

I was thinking to correct this I could take my prob and pull as deep a core as I could and fill the hole with sand. Figured this might help loosen the clay and help the water penetrate deep in the soil.

Any ideas?
Make the hole large enough for some rock as well as sand, all the way to a drainable level... and haul the clay away...

I typically have to dig 2-3 feet to get down to gravel that will drain and from there up I fill with OM and sand... Seems like a lot of work, but after one season it will be well worth the effort to do it throroughly...
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Now that I know that clay's texture(platelets) has nothing to do with water infiltration, percolation, or drainage
,,, I wonder what does...
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  #3  
Old 04-08-2011, 11:28 AM
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RigglePLC RigglePLC is online now
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Professional drainage tile in a trench is the way to go. If not perhaps a slit trench filled with rocks (French drain). Carry water to a lower level outlet. Some cities will permit a cut through the curb--some not.
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