Çetin, Bahattin; Vardar, Ali - In: Renewable Energy 33 (2008) 3, pp. 428-433
The aim of this study was to examine direct and indirect input energy in per hectare in tomato (industrial type) production and compare it with production costs. The research also sought to analyse the effect of farm size. For this purpose, the data were collected from 95 tomato farmers by...