Multispectral UAV-Based Monitoring of Leek Dry-Biomass and Nitrogen Uptake across Multiple Sites and Growing Seasons. - Jérémie Haumont; Peter Lootens; Simon Cool; Jonathan Van Beek; Dries Raymaekers; Eva M. Ampe; Tim De Cuypere; Onno Bes; Jonas Bodyn; Wouter Saeys (Remote. Sens., 2022)