Fig. 3

Seasonal changes in (a) transpiration rate (Tr), (b) net CO2 assimilation (An), and (c) stomatal conductance (gs) of walnut trees in the two irrigation treatments during the oil filling period
Seasonal changes in (a) transpiration rate (Tr), (b) net CO2 assimilation (An), and (c) stomatal conductance (gs) of walnut trees in the two irrigation treatments during the oil filling period