Irrigation, Soil and Water

How much water does it take for different irrigation systems?

Furrow--A minimum of 10 GPM per acre.
Flood--(Rice), 15-20 GPM per acre.
Border--A minimum of 10 GPM per acre.
Center Pivots--A minumum of 4.5 GPM per acre to put out a gross of 1 inch in 4 days.
(Many producers are upsizing to put out an inch in 3 days or 6.25 GPM per acre).
Towable Privots and Traveling Guns--A minumum of 5 GPM per acre total to by irrigated.