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17 of 20 <br />Gross Irrigation Application (inches) m O x T <br />450 x A <br />(14) x(111 <br />450 x (15) <br />450 x ( .03 ) <br />: (13) <br />Gross Application (9): 3-4 1 N c C. <br />Q - Total flow rate, gpm <br />Number ofCCC ditch shares: � �- ZU t I L� 12 5�••�g <br />Note: I share of CC water equals 450gpnv35 shares = 12.86gpm <br />Q = # CCC ditch shares x 12.86gpm = 12.1 R.9 <br />(14) <br />T r- length of application, hours (NRCS recommends 11 br sets for flood irrigation) _1� (11) <br />A = area being irrigated, acres <br />450 is a conversion constant: <br />450 gpm = I acre4clvly <br />the area being irrigated, A, is determined using the following fonnula: <br />A - Set size or area (acres) <br />NxRxL <br />43560 <br />0 9)xt 20)x(211 <br />43560 <br />fZ4)x(z.5)x <br />43560 <br />