Fig. 4

Gas exchange [photosynthesis (A) and transpiration (E)] in tomato plants of the Amalia (a) and Claudia (b) varieties in saline media and the control under semicontrolled conditions subjected to three treatments: T1, saline soil without QuitoMax; T2, nonsaline soil + QuitoMax; and T3, saline soil + QuitoMax. The rectangular bars represent the standard deviation of the mean of the treatments. R2: unadjusted coefficient of determination; ES: standard error of the mean of treatments; CV: coefficient of variation.