|What can I put on the lawn to improve the soil and make it more fryable
|Answer from NGA
May 11, 2009
|Gypsum (calcium sulfate) is effective in improving a clay soils with poor drainage due to high sodium content. The calcium replaces the sodium on the soil particles and results in an improved soil structure. An option would be to aerate your lawn. A core aerator will remove one inch by three inch plugs from the lawn. Leave the plugs on the lawn and they will dissolve in rain or water from the sprinklers. After aerating spread a thin layer of sand or compost over the area and water it in well. The sand or compost plus the soil from the plugs will work their way down into the holes left by the plugs.
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