Find Your Location Using Resection. Resection is the method of locating one's position on a map by determining the grid azimuth to at least two well-defined locations that can be pinpointed on the map. For greater accuracy, the desired method of resection would be to use three or more well-defined locations. When using the map and compass method--.
MYTH: All thatch is bad. FACT: most lawns have a layer of thatch, even healthy lawns. However, when that layer builds up to more than 1/2, it needs to be reduced. MYTH: Thatch is caused by lawn clippings. FACT: Grass clippings are made up mostly of water and nutrients (approximately 90%). Remove only 1/3 of the grass at one time and leave the clippings.
How to Dethatch a Lawn. Two Methods: Mechanical dethatching Manual dethatching. Managing thatch is an important component of maintaining a healthy lawn. Thatch, which is a woven layer of decay resistant stems, roots, rhizomes, and stolons, may prevent a lawn from receiving the proper nutrients and air. If you answered yes, your lawn may have a thatch problem. 2  Use a spade or knife to remove a small section of lawn in a few places around the yard. 3  Measure the thatch layer. 4  If it is greater than 0.5 inches (1 cm), your lawn needs to be dethatched.