الفهرس 
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Abstract
This study was conducted during the two successive seasons 2014/2015 and 2015/2016 at Wadi El-Natron west Nile Delta (EL-Behera governorate), to study the effect of magnetically treated irrigation water and number of emitters per plant on survival percentage, vegetative growth, leaf mineral contents, leaf chlorophyll content, leaf proline content and relative water content of some species of young fruit trees (Olive, fig, pomegranate, guava, orange, mango and banana). Seedlings were planted in the experimental field and irrigated with underground water (salinity level about 3000 ppm). The experiment includes two main factors:
1- Magnetically treated water and untreated water.
2- Number of emitters per plant (1, 2 or 4 emitters/plant).
At the end of the experiment, the effect of magnetic treatment of irrigation water and number of emitters per plant on survival percentage, vegetative growth, leaf mineral contents, leaf chlorophyll content, leaf proline content and relative water content of olive, fig, pomegranate and guava were recorded.