Answer: Moss is a symptom of compacted soils, too much shade, excessive moisture and acidic soil. If it is just one spot in your lawn, it may not be moss but a fungal infection called dollar spot. However, fungicides should eliminate the problem if it is a disease. My only suggestion is to dig out the spot, along with a few inches of soil. Replace the soil with fresh soil from another part of your garden, spread some compost over the top and dig it in a couple of inches then reseed. With any luck you will have removed the problem along with the questionable soil and the lawn should grow nicely in the repaired spot. Best wishes with your lawn!
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