1.Plant Nutrition and Defense Mechanism: Frontier Knowledge; Jose M Garcia-Mina<br>2. Antioxidant System in Citrus under Nutrient Stress Conditions: Latest Developments; Vicent Arbona and Aurelio Gómez-Cadenas<br>3. Phytophenolic Nutrients in Citrus : Biochemical and Molecular Evidence; Theeshan Bahorun, Deena Ramful-Baboolall, Vidushi Neergheen-Bhujun, Okezie I. Aruoma, Ashok Kumar, Shalini Verma, Evelyne Tarnus, Christine Robert Da Silva, Philippe Rondeau and Emmanuel Bourdon<br>4. Foliar Nutrition: Current State of Knowledge and Opportunities; Sylwester Smoleń<br>5. Leaf Analysis in Citrus : Interpretation Tools; Regina Menino<br>6. Leaf Analysis in Citrus : Developments in Analytical Techniques; E. A. Hanlon, K. T. Morgan, T.A. Obreza and R. Mylavarapu<br>7. Juice Analysis in Citrus: Latest Developments; Giuseppe Gattuso and Davide Barreca<br>8. Trunk Nutrition; Mahmoud M. Shaaban<br>9. Non-destructive Proximal Sensing for Early Detection of Citrus Nutrient and Water Stress; Paolo Menesatti, Federico Pallottino, Francesca Antonucci, Giancarlo Roccuzzo, Francesco Intrigliolo, Corrado Costa<br>10. Spectral Response of Citrus and their Application to Nutrient and Water Constraints Diagnosis; Lola Suarez and José A. J. Berni<br>11. Soil Enzyme Activities and Soil Fertility Dynamics; Lijuan Yang and Yolong Yulong Zhang<br>12. Surfactant and Nutrient Uptake in Citrus; Zora Singh and Ahmad Sattar Khan<br>13. Rhizosphere Microbial Communities: Isolation, Characterization and Value Addition for Substrate Development; Qiang-Sheng Wu and A.K. Srivastava<br>14. Biodynamic Soil Fertility Management; Matjaž Turinek, Martina Bavec and Franc Bavec<br>15. Nutrient Use Efficiency in Citrus; Johannes Scholberg and K. T. Morgan<br>16. Nitrogen Citrus : Signal, Nutrient and Use Efficiency; Agostino Sorgonà and Maria Rosa Abenavoli<br>17. Nitrogen Metabolism in Citrus Based on Expressed Tag Analysis; Jackson Marcondes and Eliana G. M. Lemos<br>18. Variable Rate Application of Fertilizer in Citrus; C W Chan<br>19. Open Field Hydroponics: Concept and Application; K. T. Morgan and Davie Kadyampakemi<br>20. Fertigation: Concept and Application in Citrus; Ana Quiñones, Belén Martínez-Alcántara, Eduardo Primo-Millo and Francisco Legaz<br>21. Nutrient-Hormone Interactions in Citrus: Physiological Implications; Alfredo Gravina, Giuliana Gambetta and Fernando Rivas<br>22. Lime-Induced Chlorosis in Citrus: Diagnoses Through Physiological and Metabolic Evidences; A. Jiménez, A. Torrecillas, F. Sevilla, MF. Ortuño, W. Conejero, F. Ferreres, Medina S, Galindo A, A. Gil-Izquierdo<br>23. Mycorrhiza in Citrus: Growth and Nutrition; Ibrahim Ortas<br>24. Organic Citrus: Soil Fertility and Plant Nutrition Management; Stefano Canali, Giancarlo Roccuzzo, Fabio Tittarelli, Corrado Ciaccia, Fiorella Stagno, Francesco Intrigliolo<br>25. Integrated Nutrient Management in Citrus; A.K. Srivastava<br>26. Citrus Best Management Practices; Brian Boman<br>27. Economic Analysis of Conventional and Alternative Nutrient Management Approaches; Stephen E. Gareau<br>28. Assessing Salinity Tolerance in Citrus: Latest Developments; Eran Raveh<br>29. Physiological Responses and Tolerance of Citrus to Aluminum-Toxicity; Li-Song Chen<br>30. Fruit yield Estimation Through Multi-Spectral Imaging; Xujun Ye and Kenshi Sakai