A layer of dead organic material on your lawn, called thatch, is great in moderation. A thin layer of thatch acts as a buffer that keeps the soil moist, regulates its temperature, and adds nutrients ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Decayed grass blades and stems—known as thatch—can prevent your lawn from absorbing the water and oxygen ...

Dethatching is an essential part of lawn maintenance. About half an inch of thatch is good for the grass because it can stabilize the soil temperature and prevent it from drying out too quickly. But ...

Like most manual dethatching rakes, the Wolf-Garten scarifying roller rake has a set of sturdy curved tines that dig into a lawn and pull out thatch. Unlike most manual models, however, it sits on two ...