The agricultural system is a set of sectors, technologies, machinery and technological aggregates where the soil is used as the main resource for crop, orchards, vineyards, vegetable production and livestock. Structure of the sectors can be different from one farm to another. In Europe, agriculture, depending on the used technologies, their level of intensification, specialization, quantity and quality of biomass, relations with the environment, and so on, different agricultural systems are practiced like sustainable, conventional, biological, organic, precision and extensive.