It will take time here is some of the things that might be causing your problems. Many newly build home sites may have these problems.
Common Causes and Solutions
Fungi living beneath lawns are usually long-lived organisms that produce mushrooms when conditions are right. The top reasons mushrooms occur are buried organic matter, high moisture and low light.
Cause: Buried organic matter
A fungus grows by breaking down organic matter. In a lawn, that organic material could be buried timber, a stump, or tree or shrub roots that remain underground after plants have been removed.
Solution: In most cases, when the fungus has finished breaking down the buried organic matter, the fungus (and accompanying mushrooms) will disappear.
Sometimes you can hasten the materialís breakdown by applying nitrogen fertilizer. Use a readily available nitrogen source, not a slow-release one. Aim for a rate of 1/2 to 3/4 pound of actual nitrogen per 1,000 square feet of lawn. If you donít mind disturbing your lawn, you can also try digging up the organic material.
Cause: High moisture
Periods of prolonged rain can coax mushrooms to form, as can overwatering a lawn. Heavily compacted soil and a thick thatch layer can create drainage problems, which provide ideal growing conditions for mushrooms.
Solution: While you canít do much about overabundant rainfall, you can address lawn watering practices. Aim for deep, infrequent lawn watering, which encourages turf to develop an extensive root system.
For drainage issues caused by compacted soil, try aerating your lawn. If youíre not sure if your lawn needs aerated, review this simple checklist.
A thick layer of thatch in your lawn also could contribute to drainage issues. Learn how to tell if your lawn needs dethatching.
Cause: Low light
While not all lawn mushrooms thrive in shady conditions, many do. If a corner of your yard offers high soil moisture combined with low light, mushrooms may appear.
Solution: Address the moisture issue using one of the techniques listed above. Next, if trees shade the lawn, tackle light tree trimming to allow more light to reach grass.