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N = number of wetting furrows = Q (total gpm) /corrugate flood rate (start with 7gpm per <br />gate, then round up to the next even number of sections of pipe) <br />flow per gate: 7 (7gpm V try) (16) '� <br />;''�„ <br />*gated pipe comes inn 30ft lengths @ 2.5ft spacings per gate = :12 gates per pipe section <br />N= f" Estimated number of gates = (14) /(16) (Not final number) <br />- - 7 (17) a <br />Co <br />Estimated Number of 30ft gated pipe: <br />_ (17)/12 = Rounded up to whole number = <br />Net number of Gates <br />N= (18)x12 <br />Z )< / � .- z4-- (19) <br />R =width between wetting furrows, feet (30inch or 2.5ft) (2 +0) <br />(18) <br />L = row length, feet (NRCS recommends 400- 600ft)... use (21) <br />NUMBER OF SETS PER DAY: <br />= 24/(11) <br />M <br />- 24/' I <br />(rounded down) _ <br />(22) <br />SYSTEM EFFICIENCY ( maintenance, cleaning head gate, checking; water, farmer needed <br />time off) ... _ (23) <br />15 <br />NET EFFECTIVE ACREAGE WATERED <br />_ (15) x (22) x (7) x (23) <br />1� <br />)X( -Z )x( )x( r$ ) <br />t <br />G :2 e ACRES <br />