الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
This study was carried out during two seasons 2020 and 2021 on twelve years old ’Ewaise’ mango trees grown in, Idku Center. The trees were grafted on Sokarey rootstock, grown at a distance of 5x4 m to test the effectiveness of zeolite and biochar on yield and yield components of mango trees. The treatments were distributed in experimental orchard in completely randomized block design