[The production of certified seed in Hungary]

certification des semences certificazione delle sementi colture oleaginose crop yield dati di produzione feed grasses feed legumes graminacee foraggere hongrie hungary hungria industria de semillas industria delle sementi industrie des semences leguminosas forrajeras leguminose foraggere medicago sativa oil crops plantas oleaginosas production data rendement des cultures rendimiento de cultivos seed seed certification seed industry seme semence semillas sinapis alba surface surface area trifolium pratense triticum aestivum tubercule tuberi tubers ungheria variedades varieties zea mays