Yield, water saved and relative yield reduction relationship under different deficit irrigation levels at Alage Central rift valley of Ethiopia.
Where: MY- marketable yield, NMY- unmarketable yield and TY- total yield.This consistent decrease in yield with decreased water amount under different deficit levels is explained by the fact that when full crop water requirement was not met, water deficit in the plant causes stomata closure for the plant to save water, but at the expense of photosynthesis and biomass production [