Fig. 2. Salts accumulated in the root zone (mmol/2.5 m^–3) as a function of time (days of year, 2002) in the 0.1- to 1.1-m soil profile for the five salinity levels of irrigation water for the troyer trees (lower row) and two extreme salinity levels for the cleopatra and volkameriana trees (upper row). (Legend shows _{irrigation waters}).