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| | TAGEM-TOKAT SOIL AND WATER RESOURCES RESEARCH INSTITUTE |
 | | Between 1978-1997 average rainfall and average runoff are 490.1 mm and 61.77 mm respectively.Elements of average Unit Hydrograph for the watershed were estimated as Qp=4022 L/sec, tb=2.50 hours, tp=0.43 hours.Coefficient of Snyder Methods are estimated Unit Hydrograph Ct=0.236, Cp=0.999. |
 | | The actual Kcp value was estimated as 0.97 using the cumulative eva potranspiration of If1, Kcp1, the yield of 92,652 kg/ha was obtained.Total irrigation water, evapotranspiration were calculated with 487 and 659 mm, respectively. |
 | | To decrease nitrogen leaching losses, application of nitrogen fertilizer at 160 kg N/ha dose with precisely timed irrigation (especially at the first three irrigations) may be the choices. |
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