In a wet winter similar to the one we have just experienced, failure to carry out a programme of lawn aeration can lead to an entirely different problem. This is when surface sealing can often occur, due to the compacting effect of trampling feet and heavy maintenance machinery.
Under these conditions, water is prevented from percolating; it will remain on the surface, restricting gaseous exchange and lead to moss or the build up of fibrous growth. If steps are not taken to relieve the compaction, a fibrous matt develops, restricting the amount of air, moisture and nutrients available to the grasses and creating ideal conditions for diseases to thrive.
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