ECONOMIC AND PRODUCTION EVALUATION OF TWO METHODS OF PERMANENT GRASSLAND RENOVATION OF THE USE OF LEGUME-GRASS MIXTURES IN THE CONDITION OF ORGANIC FARMING Journal title: Roczniki Naukowe Stowarzyszenia Ekonomistów Rolnictwa i Agrobiznesu Authors: Eliza Gaweł, Andrzej Madej, Mieczysław Grzelak Subject(s):
