الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
This investigation was conducted over aperiod of tow years starting in fall 1973 in the orchard of the agriculture college at minia governorate , this experiment was arranged in afactorical combination in completely block randomized design with five replication to study the influence of the some different levels of nitrogen as soil application and some micro-elements as a faliar spraye on: total nitrogen of leaves ,peal thickness ,peal and pulp weight ,total soluble solids,total and reducing sugers,titratable acidity and vitamin c content.