[Lucerne. Cultivation technique]

agricultural chemicals agricultural lime amendement du sol bacteria calcium carbonate carbonate carbonate de calcium carbonates carbonato de calcio carbonatos chaux agricole crops cultivation cultivo cultivos dicotiledoneas dicotyledons economic plants enmiendas del suelo escandinavia europa europe feed crops feed legumes herbicidas herbicide herbicides inorganic compounds legumes leguminosae leguminosas leguminosas forrajeras medicago medicago sativa methode methods mezcla de semillas papilionoideae plantas plantas forrajeras plante plante de culture plants pratique culturale produit agrochimique propagation materials recherche research rhizobiaceae rhizobium rosales sales salts scandinavia scandinavie seed seed mixtures sel semence semillas soil amendments