Monitoring Irrigation in Small Orchards with Cosmic-Ray Neutron Sensors. - Cosimo Brogi; Vassilios Pisinaras; Markus Köhli; Olga Dombrowski; Harrie-Jan Hendricks-Franssen; Konstantinos Babakos; Anna Chatzi; Andreas Panagopoulos; Heye Reemt Bogena (Sensors, 2023)