Pishgar-Komleh, Seyyed Hassan; Keyhani, Alireza; … - In: Energy 43 (2012) 1, pp. 469-476
(combine and plot-harvester harvesting). The average energy use efficiency and productivity were calculated 4.78 and 0.05kgMJ−1 … then plot harvester (4.40). Direct, indirect, renewable and non-renewable energies were 43%, 57%, 6%and 94% of total energy ….46, respectively. The benefit–cost ratio values for picker-husker, combine and plot harvester were 1.54, 1.53 and 1.32, respectively …