الفهرس 
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Abstract
This study aims to evaluate the effect of magnetic iron (500,750,1000g/tree)and K-humate (50,75,100 g/ tree). Treatment of growth and productivity of olive trees under salinity conditions (sandy soil and salt water), During two consecutive seasons(2017-2018)and(2018-2019)in south Sinai Research Station (RAS SADR) desert research center .There was a significant improvement of various magnetic iron (MI) and potassium humate (KH)treatments on tree growth, productivity and fruit quality .Analysis of the data collected during the study proved that there is statistical significance An increase in vegetative growth, yield, fruit quality and some chemical composition of leaves with different doses of