Influence of climatic conditions on bio-agronomical development and potato yield - under different irrigation and nitrogen levels - in Sele Valley [Campania]

azote azoto campania campanie clima climat climate crop yield environmental factors essai evaporation evaporazione facteur du milieu factores ambientales fattori ambientali fertilisation fertilizer application irrigation irrigazione nitrogen precipitation precipitazione prove pruebas rendement des cultures rendimiento de cultivos riego solanum tuberosum temperatura temperature trials variedades varieties