Pires, JaimeArrobas, MargaridaAguiar, CarlosFerreira, Isabel C.F.R.Azevedo, João2020-04-032020-04-032015Pires, Jaime; Arrobas, Margarida; Aguiar, Carlos; Ferreira, Isabel Q.; Azevedo, João (2015). Mountain farming systems efficiency and sustainability. In Mountains of Our Future Earth. Perthhttp://hdl.handle.net/10198/21490The efficient use of resources and farming inputs is considered a key factor for sustainability in agriculture The ecological limitations of the productivity in mountains make the study of efficiency in agricultural systems in these areas even more crucial Based on these assumptions, we present in this study the preliminary results of efficiency analysis of farming systems, in mountain regions of Portugalengconference poster