Quote:
Originally Posted by DAVES
Drainage can be improved. Why is it bad is the first question. I would take a long drill and see what you have. In places there is a layer of clay below the soil you see. Gypsum does help. I added 200 pounds to my 5,000 sq foot lawn. Unlike lime stone, it does not raise our already too high ph. It also helps to add organic matter. It takes a lot and you need to get it into the soil. Laying it on top as many do does nothing. Organic matter which is lighter than soil ok clay will not stir itself in. My 5,000 sq foot lawn
I using a drill, installed 70, 50 pound bags of manure 3500 pounds.
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Thanks, I will try that, it may well be a layer of clay just below the grass.