Large plantations producing tropical cash crops based on hired labor represent a sharp contrast with small family farms, popularly called peasants in developing economies. The family farm is an old institution that has existed since time immemorial, but the plantation is a new institution...

Power based on biomass, in particular biogas, is increasing, with a concomitant increase in the need for energy crop production. The objective of this study was to determine the profitability of biogas substrate production on a marginal site in southwestern Germany. The effects of crop rotation...