On the basis of literature, the paper describes changes observed in Polish agriculture in the year 2004 and several following years, on the background of previous years' situation. On the grounds of the above, eight thesis have been formulated: on doubling agricultural income, on years needed for re-establishing economical balance disturbed by change of conditions, on increase of property size and modernization on farms of 16 and more ESU, on low profitability of equity capital in farms basing on high labour input and high capital resources, on growing range of agricultural producers who couple farm income with other incomes, on permanent deficit of part of farms of at least 100 hectares of croplands - in effect of legal regulations, incorrect definition for areas of disadvantageous farming conditions and high competitive potential of Polish farms in comparison to chosen UE countries. The above thesis require to be confirmed or rejected on the basis of analysis carried out in a longer time period (e.g. years 2005-2007) after Poland's accession to European Union.