NT Mobe; S Dzikiti; T Volschenk; SF Zirebwa; Z Ntshidi; SJE Midgley; WJ Steyn; E Lötze; S Mpandeli; D Mazvimavi. Using Sap Flow Data to Assess Variations in Water Use and Water Status of Apple Orchards of Varying Age Groups in the Western Cape Province of South Africa . WSA 2020, 46.