[Agricultural usability of furnace refuse from the Boiler House "Kozienice" in the light of field experiments. 3]

alcalinidad alkalinity amendement du sol application rates ashes barley cebada cendre ceniza composition crop yield crops cultivos dose d'application enmiendas del suelo fitotoxicidad grosseur des particules lupinus luteus orge papa particle size ph phacelia phytotoxicity plante de culture pomme de terre potatoes rendement des cultures rendimiento de cultivos secale cereale soil soil amendments sol suelo