[Modern vineyard nutrition. Fertilization between theory and practice [Vitis vinifera L.]]

absorption de substances nutritives acidez acidity acidità assorbimento di elementi nutritivi azote azoto besoin nutritionnel bore boro boron calcaire calcare caliza carence du sol carenze del suolo carenze minerali chlorose chlorosis cinc clorosi clorosis cobre copper cuivre cultural methods deficiencia de minerales deficiencias del suelo disponibilidad de nutrientes fer ferro fertilisation fertilizer application feuille foglie fosforo hierro hojas iron leaves limestone magnesio magnesium manganese manganeso metodi colturali mineral deficiencies mode de culture necesidades de nutrientes nitrogen nutrient availability nutrient uptake nutritional requirements phosphore phosphorus portainjertos porte greffe portinnesti potasio potassio potassium rame rootstocks sintomi sodio sodium soil chemicophysical properties soil deficiencies soil zonation symptome symptoms variedades varieties varietà vitis vinifera zinc zinco zonazione del suolo