Chemak, Fraj - European Association of Agricultural Economists - EAAE - 2011
technical efficiency, the water use efficiency and the dynamic of the productivity of the irrigated areas in the Sidi Bouzid … to an improvement of the water use efficiency up to 22%. Both, the technical efficiency change as well as the technical … change reveal a positive impact on the productivity change. However, in 2007, the water use efficiency was only 78 …