Fig. 4

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