Response of grapevine to the nitrogen fertilisation and environmental impact in the Grave area of Friuli [Vitis vinifera L.]

abonado fraccionado abonos nitrogenados acidez acidity agronomic characters azote azoto caratteri agronomici carbohydrate content concimi azotati contenido de carbohidratos crop yield desechos de la madera environmental impact estructura del suelo fertilisation fertilizer application friuli venecia julia friuli venezia giulia grape must grapevines impact sur l'environnement impacto ambiental impatto ambientale leaching lessivage du sol mosto d'uva mosto de uva nitrogen nitrogen fertilizers ph plant response poda potatura precipitation precipitazione pruning rendement des cultures rendimiento de cultivos residui legnosi respuesta de la planta risposta della pianta soil structure split dressings structure du sol struttura del terreno taille teneur en glucides vid vigne vitis vinifera wood residues