3.2 Use the nomogram for the solution of Penman's equation to predict the daily potential evapotranspiration from a fiel
Posted: Mon Apr 25, 2022 9:14 am
3.2 Use the nomogram for the solution of Penman's equation to predict the daily potential evapotranspiration from a field crop at latitude 40°N in April, under the following conditions: mean air temperature = 20 °C; mean h = 70 per cent; sky cover = 60 per cent cloud; mean U2 = 2.5 m/s; ratio of potential evapotranspiration to potential evaporation = 0.7. =