The influence of the size of the power installed in technical means in ecological farms of Małopolska region on the global size of plant production. The production size as well as the power installed in tractors was referred to a farm (JZfarm -1; kWfarm -1) and an area unit of production (JZha -1 UR; kWha -1 UR). In order to carry out a verbal analysis, the researched objects were divided into 8 area groups. In case of power, out of a total number of tractors operating in farms, three types of the most frequently occurring tractors were selected. The statistical analysis, which was carried out proved significant correlation relations between the size of the power installed in agricultural farms (calculated per area on 1 ha of arable lands) and the plant production size also referred to an area unit. The sum of the power installed in tractors in the researched farms has also a statistically significant impact on a unitary production size.