The amount of water needed for a given lawn is highly dependent on the climate of the region, and the species of grass being irrigated. For example, a lawn in central Indiana will need about 1 to 1.5 inches of water per week to maintain a healthy vigorous lawn.
Since daily, light irrigations promote shallow rooting and non-drought hardy turfgrass, a complete wetting of the turfgrasses rootzone is the most beneficial for the plants. The soil should be wetted to a depth of 6 inches during the irrigation time period. Soak deeply instead of using shallow flooding!
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