Hugh Thompson, an Army helicopter pilot who rescued Vietnamese civilians during the My Lai massacre, reported the killings to his superior officers in a rage over what he had seen, testified at the inquiries and received a commendation from the Army three decades later, died January 6 in Alexandria, La. He was 62.
How Much Should I Water? Obviously, this depends on the season, the grass type, and the soil type. A general rule of thumb is that your lawn should receive at least 1 inch of water per week. However, how often you water also depends on how you want you lawn to look.
Turn on the sprinklers for 20 minutes and use a ruler to measure (in inches) the depth of water in. each can. Now determine the average depth in all of the cans. Multiply the average depth by 3 to. determine how many inches of water your sprinkler system applies per hour. Step 3. Determine how many minutes you need to water your lawn each week. Scientific. research has accumulated data on how to water cool and warm season grasses.