Yielding results of two-years period on a Jerusalem artichoke crop as a function of low input irrigation and of the utilisation type (aerial part and tubers) [Helianthus tuberosus L. - Latium]

agronomic characters azucares caratteri agronomici colture da zucchero conduite de la culture crop management crop yield disponibilidad del agua eau disponible environmental factors facteur du milieu factores ambientales fattori ambientali fusti gestione delle colture helianthus tuberosus lacio latium lazio manejo del cultivo mediterranean zone plantas azucareras rendement des cultures rendimiento de cultivos soil chemicophysical properties stems sucres sugar crops sugars tallos tige tubercule tuberi tubers water availability zona mediterranea zuccheri