Soil type affects sprinkler schedules
https://www.google.com/maps/d/viewer?mid=1M8XgQptMwGmSyJzAbHSN4Q8NkBrZbCM&ll=39.33110430648027%2C-76.96178889264556&z=8
Soil variety influences sprinkler schedules. Clay wants shorter, greater universal cycles to evade pooling, at the same time sandy soils gain from longer runs to reach root zones without immoderate runoff.