Solar-induced chlorophyll fluorescence (SIF) tracks variations in the soil-plant available water (PAW): a multiyear analysis on three crops - Quiros-Vargas, Juan; Brogi, Cosimo; Damm, Alexander; Siegmann, Bastian; Rademske, Patrick; Burchard-Levine, Vicente; Krieger, Vera; Schmidt, Marius; Hanuš, Jan; Martello, Mauricio; Weihermüller, Lutz; Muller, Onno; et al. (Science of Remote Sensing, 2026)