Metod issledovanija i analiza posledovatel'nosti posevov na osnovanii rezul'tatov voprosnykh listov Instituta Sel'skokhozjajjstvennojj Ehkonomiki, sobranykh v rajjonakh voevodstv poznanskogo i belostockogo
EN
A description of the method used in collecting data on the sequence of plantings amd on analysis of such data collected by IER (Institute of Agricultural Economy) from Poznań and Białystok voivodships