This paper seeks to analyse from a comparative point of view the efficiency of the use of manual labour as well as the mechanized works in the cultivation of oil plants in order to obtain profit and the profitability of this activity from the point of view of conventional and ecological crops....

The food-population ratio has two determinants: population and agricultural production. The population is constantly growing, putting pressure on existing resources, which are becoming insufficient. Globally, agricultural production has grown at the same rate as population growth, but at...