How to Determine Crop Water Requirements? | Irrigation | Agronomy
Determination of crop water requirements (CU/ETc) is one of the basic needs for planning of any irrigation project. Methods for determining crop water requirements depend on the desired level of accuracy, availability of equipment and technical know how. More commonly mentioned methods in literature are: Direct measurements of consumptive use (ETC): 1. Transpiration ratio method 2. Depth-interval-yield approach 3. Lysimeter [...]