Yilmaz, Ibrahim; Akcaoz, Handan; Ozkan, Burhan - In: Renewable Energy 30 (2005) 2, pp. 145-155
The aim of this study was to determine direct input energy and indirect energy in per hectare in cotton production and compare with input costs. The study also sought to analyse the effect of farm size. Data were collected from sixty five farmers using a face to face questionnaire. The sample...