Soil salinity is one of the major abiotic stresses that adversely affect plant productivity and quality, due mainly to excess of Cl - and Na + ions in plants. Zinc deficiency is a common micronutrient deficiency in plants growing in different climatic regions of the world, particularly in arid and semi-arid regions where alkaline soils predominate. It is well know that zinc is an important component of many enzymes, a structural stabilizer for proteins and membrane. Almond nut trees ( Prunus amygdalus) have been grown commercially in Iran for many years. Despite almond has been justify; MARGIN: 0in 0in 10pt; mso-line-height-alt: .7pt" Keywords: Almond, Zinc, Salinity, Physiological and morphological parameters, Photosynthetic parameters.
