Growing Things: Water thoroughly to make fairy rings a fantasy

Q: I own a cottage in central Alberta that is about eight years old, and my lawn there has two large fairy rings. Do you have any suggestions as to how I can control them?
A: It has been quite some time since we last talked about fairy rings, so this might be a good time to revisit the issue. This problem is caused by a fungus which, when established, cuts off the supply of water to the roots of the grass through its thick mesh of mycelium fibres in the soil.
You need to get water through that t