EN
Paper presents the research conducted in 1995 on family farms localized on light soils in Leszno province. The farm models were of different production directions and intensity at variable crop yielding. The studies showed that on the farms in acregea group 7 to 15 ha AL there were reserves of either labour force and livestock density. Because of such production resources their acreage could be increased up to 31,5 ha AL. Best results were obtained for the model farms raising cattle and growing wheat.