Fontenla-Razzetto, Gabriela; Tavares Wahren, Filipa; Heilig, Dávid; Heil, Bálint; Kovacs, Gábor; Feger, Karl-Heinz; Julich, Stefan (2022): Monitoring of sap velocity in hybrid poplar (Populus deltoides Bart. Ex Marsh x P.nigra L. "AF2") across contrasting sites and groundwater conditions, Kopcany, western Slowakia, 2019-2021 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.951259, In: Fontenla-Razzetto, G et al. (2022): Monitoring of sap flow, sap velocity, soil condition and meteorology in hybrid poplar plantations (Populus deltoides Bart. Ex Marsh x P.nigra L. "AF2") in Kopcany, western Slowakia, 2018-2022 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.951255