Laserfiche WebLink
Furrow Irrigation-Lloyd-Grass <br />From <br />shares of water <br />gpm/share <br />Q =Gross flow rate, gpm <br />R = with between wetted furrows, ft (3(r is <br />common) Aitemate rows are watered therefore R- <br />5ft <br />individual corrugate setting gpm <br />N= number of wetted furrows (10gpm per <br />opening per NRCS) <br />L = row length, feet (from NRCS) <br />A= set size or area (acres)= (N x R x Ly43560 <br />time, hr (variable. Change tiil you get Gross <br />Irrigation to where you want it) <br />Gross Irrigation = (Q x Ty(450 x A) <br />efficiency estimate= Continuous flow, no tailwater <br />recovery/From Table 1 <br />net irrigation = gross inigatio x Efficiency <br />water 5 days per May week <br />Net acreage <br />Net acres that can be watered <br />Theorical shares of water per Acre of reclaimed <br />land <br />Evapotranspiration Reports for Furrow <br />Irrigation SchedulinglDanny H. <br />Rogers/Extension Agricultural <br />24.0 shares <br />13.8 gpmtshare <br />331 A gpm <br />2.5 ft <br />5.0 gpm <br />65.3 <br />600.0 h <br />2.3 acres <br />11.0 hr/day <br />3.5 inches of water <br />55.0% <br />Inches of water (good for <br />seven days) (ET <br />1.95 requirement for grass) <br />71.43% 5 out of 7day tarmer will work <br />1.6 acres per day Q 18hr sets (good for7 days) <br />11.4 acres per week per set <br />2.1 <br />F:lEng1DATAtexcelrturf irrigation managmentQ007 WFC precipitation requirement from TIM G4FEB08.xls <br />34