[Grain and cut, guide to the choice [maize in Italy]]

analisi dei dati comminution cosecha crop yield data analysis date de semis desmenuzamiento epoca di semina essai fecha de siembra fragmentation frammentazione grain granella granos harvesting humedad humidity hybride hybrids ibridi italia italie italy prove pruebas raccolta rendement des cultures rendimiento de cultivos sowing date trials variedades varieties zea mays