Genetic Testing for ALS. Genetic Testing for ALS - ALS is directly hereditary in only 10 percent of families. The vast majority of ALS cases are sporadic, meaning that although there is likely a genetic predisposition involved, ALS is not directly inherited in a family. Although there is a genetic test for ALS, it is still quite limited. In 20 percent of families with inherited ALS, a change in the gene called SOD1 on chromosome 21 has been found, however, 80 percent of families with inherited ALS do not show a change in their SOD1 gene.
Granulated sulfur can play another important role in the establishment of a new lawn. Grounds Maintenance magazine says that turf grass grows best in soil with a neutral to lightly acidic pH. If a soil testing tool is reading a high pH number, your soil may be too alkaline for quick establishment of a lush lawn.
The most common lime product used on lawns is agricultural ground limestone. The three main types include ground limestone and calcic limestone, containing finely ground pure calcium carbonate; burnt lime, also known as quick lime or caustic lime; and hydrated, or slaked, lime.ime may be needed if the pH of your soil is too low for the turf species you want to maintain. To determine the pH of your lawn, purchase a pH test kit from a garden center, or check with your county cooperative extension service to see if it offers free testing.