Alpha-tocopherol reinforce selenium efficiency to ameliorates salt stress in maize plants through carbon metabolism, enhanced photosynthetic pigments and ion uptake Investigation of the Allelopathic Potential of Alhagi Maurorum on Pisum Sativum L. Effect of Different Concentrations of Sodium Cloride, Sodium Selenate, Alpha-Tocopherol and Ascorbic Acid Each One Alone on Germination and Growth of Maize Plant Phytotoxic effect of Alhagi maurorum on the growth and physiological activities of Pisum sativum L.