Influence on some cultivation techniques on the water requirements of vines in an environment of North-East Italy [Friuli-Venezia Giulia]

acidez acidity besoin en eau espacement espaciamiento fabbisogni di acqua friuli venecia julia friuli venezia giulia grape must irrigation irrigazione llanuras mosto d'uva mosto de uva necesidades de agua pianure plaine plains riego sesto d'impianto spacing variedades varieties vitis vinifera water requirements