الفهرس 
Organic manures in EgyptOnly 14 pages are availabe for public view
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Abstract
The balanced fertilization wliicli means tlie presence of all essential nutrients in sufticient quantities in rllizosplere zone, could be realized by the application of both organic and inorganic fertilizers. This study was carried out at the Faculty of Agriculture. Kafi. El-Slieikh Governorate in order to: 1 - Study the conbined effect of mineral fertilizers and organic manures, i.e. sewage sludge and fannyard inanure on efficiency of N-fertilizer, yield and yield components of two snlxquented crops, as well as, the accuiiulation of both tnicronutietits and lieavy metals in plant tissues and their concentrations.