The Q&A Archives: sod

Question: does sod need topsoil under it or will it root okay without it?

Answer: A successful sod job requires good soil preparation. This means loosening the existing soil, adding organic matter and in some cases may also require adding lime to raise the pH and possibly also some fertilizer. This is important because if the soil does not provide a good environment for rooting then the sod will fail. Your local county extension should be able to help you determine how best to prepare your soil -- depending what is there now -- and help you run some soil tests to see if you need to use lime or any particular nutrients and, if so, how much.

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