Investigating Foliar Macro- and Micronutrient Variation with Chlorophyll Fluorescence and Reflectance Measurements at the Leaf and Canopy Scales in Potato. - Jaakko Oivukkamäki; Jon Atherton; Shan Xu 003; Anu Riikonen; Chao Zhang 006; Teemu Hakala; Eija Honkavaara; Albert Porcar-Castell (Remote. Sens., 2023)