EN
Studies indicate that perception, ordering and forming relation between qualitative categories and economical categories of farms and agrarian businesses development result of economy's function system. Qualitative problem is particular present in evolutionary undertakings wielkopolskich agrarian contratorsand contain changes of organization producting, row materials, products and services system. Effective those changes confirm arrived at an investicity decision. Individual farms to 10 hectares manage very intensive production but above 10 hectares and largeareas farms increase production scale.