“…The variables commonly used in previous studies to explain the efficiency of a sample farm size, schooling years, use of extension services, data recording, and credit use (Adeoye et al, 2014;Başaran and Engindeniz, 2014;Bozoglu and Ceyhan, 2007;Dipeolu and Akinbode, 2008;Jaafar and Jusoh, 1997;Mohamed et al, 2015;Ogunbo et al, 2015;Radam and Ismail, 1999;Rosli, 2013;Rosli et al, 2013). In this study, twelve explanatory variables (farmer's age as year, greenhouse land size as decares, total number of parcels, family size as person, schooling year, use of extension service, off-farm income, cooperative partnership, credit use, data record, insurance and soil test as dummy) were included in tobit regression model in order to investigated determinant of technical efficiency.…”