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Gross Irrigation Application (inches) = <br />QxT <br />450xA <br />14 x 11 <br />450 x (15) <br />( )x( Y(O x `'J <br />450 x ( ) 'It5z /, 4-5 <br />7� (1.3) <br />Gross Application (9): <br />Q = Total flow rate, gpm <br />Number of CCC ditch shares: <br />Note: 1. share of CC water equals 450gpm/35 shares = 12.86gpm <br />Q = 9 CCC ditch shares x 12.86gpm = /Z, _ /U IrP/yP _ (14) <br />T = length of application, hours (NRCS recommends 11 hr sets for flood irrigation) <br />A = area being irrigated, acres <br />450 is a conversion constant: <br />450 gpm = 1 acre- inch /hr <br />the area being irrigated, A, is determined using the following formula: <br />A = Set size or area (acres) _ <br />NxRxL <br />43560 <br />(19)x(20 )x(21) <br />43560_. .. <br />