Long-term effect of Khirbet El-Samra treatment water irrigation on soil and olive quality
1999
Al-Gazzaz, N.M
A two-year study was started in 1996 in an effort to investigate the long-term effect of effluent irrigation on soil chemical properties and olive yield and quality, with particular emphasis on accumulation of B and heavy metals, especially Pb and Cd, in the soil profile and plant tissue. Local olive varieties have been surface-irrigated with Khiribit es-Samra Treatment Plant (STP) effluent since 1986. A fresh water-irrigated olive orchard of comparable age in the vicinity of STP was selected for comparison purposes. Soil and plant leaf and fruit samples were collected late November coinciding with fruit collection period, in two successive seasons (1996/1997 and 1997/1998). Collected samples were subjected to complete chemical analysis according to standard methods.
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