Spring is upon us, and with a little know-how, you can water your lawn more smarter this year. Tutorial site wikiHow offers strategies to reduce your water usage while maintaining a healthy, hearty lawn. For example:
Water deeply to encourage deep root growth. Frequent shallow waterings encourage weed germination, and they also cause the grass plants' roots to grow shallow, leaving the plant more susceptible to drought and to certain diseases. Watering only when your grass really needs it encourages the roots to grow deeper
The article is full of other smart watering tips—like watering early to avoid evaporation—that are worth a read before you put out the sprinklers.