Mohamed M. El-Fouly, A. A. El-Taweel, I. M. S. Osman, Ikram Saad El-Din & S. H. A. Shaaban. Evaluation of Nutrient Removal from Different Parts of Koroneiki Olive Trees Grown in Sandy Soil As a Base of Fertilizer Recommendation in Egypt. NICST-V7 2021, 80-91.