Pre-harvest mango yield prediction using artificial neural networks based on leaf nutrient variability 1Department of Plant Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia 2Department of Agricultural Engineering, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia DOI 10.7717/peerj.20013 Academic Editor Anshuman Singh Subject Areas Agricultural Science, Plant Science Keywords Chlorophyll, Carbohydrate, C/N...