Abstract
Abstract: The importance of rapeseed crop consists of in first time in oil production (the rapeseed contained 43-48% fat) and secondary in the production of grit that is used in animal´s food as protein forage. Beside the basic utilizations of rapeseed oil is used as biofuel as well sun-flower and soya as for the diesel engines, being a renewable energy source (known also as biodiesel). The present paper analyzes the evolution of rapeseed crop in Romania and the difficulties in obtaining an efficient economically process. Is presented the practically results that was obtained by several agricultural companies that was used our recommended crop technology to obtained of a 2500-3600 kg/ha production. It´s important to mention that in actually conditions, in Romania the rapeseed cultivation is economically efficiently from a production above of 2200 kg/ha.
Key words: renewable energy, economic efficiency, crop density, rapeseed.