How to Improve a Clay Soil Lawn. Test the soil. A soil test determines the fertility of the soil by measuring the amount of nitrogen, phosphorus, potassium and other nutrients that are in the soil. Aerate the soil. Top-dress the lawn. Till the soil. Install a drainage system. Overseed in the fall. Feed the grass. Stay.
Many lawns have problems with clay soil. The best solution for excessive clay is to amend the soil with organic matter. This fact sheet will help understand how.
Compacted and clay soils result in unhealthy and shallow-rooted lawns and plants. Use our liquid Aerify Plus to amend your clay or compacted soil.
But how do you improve clay soil that already has a lawn growing in it? There is no way to till in organic matter down deep into and below the root zone without .
A lawn with clay soil is heavy and compact when it's wet. It can absorb and trap water for extended periods, making it difficult for grass to become established.
Clay soils can have the holes left in the lawn filled in with a mixture of coarse sand or sandy loam and Gypsum to help break up the clay and improve soil health.