Design, fabrication and evaluation of a robot for plant nutrient monitoring in greenhouse (case study: Iron nutrient in spinach). - Maryam Nadafzadeh; Ahmad Banakar; Saman Abdanan Mehdizadeh; Mohammad Reza Zare Bavani; Saeid Minaei; Gerrit Hoogenboom (Comput. Electron. Agric., 2024)