Frija, Aymen; Chebil, Ali; Speelman, Stijn; Buysse, Jeroen - In: Agricultural Water Management 96 (2009) 11, pp. 1509-1516
We measure the technical efficiency of unheated greenhouse farms in Tunisia, and propose a measure for irrigation water use efficiency (IWUE) using an alternative form of the data envelopment analysis (DEA) model. Technical efficiency measures the degree to which (all) farm inputs are used...