[Organic fertilization to soil and leaves in grapevine crops [Vitis vinifera L. - Lombardy]]

acidez acidity application date application methods application rates calidad carbohydrate content color colore colour concimi liquidi contenido de carbohidratos contenido mineral couleur crop yield date d'application dose d'application dosi di applicazione engrais liquide engrais organique epoca di trattamento fertilisation fertilizer application fertilizzanti organici feuille field experimentation foglie grape must grapevines hojas leaves liquid fertilizers lombardia lombardie lombardy metodi di distribuzione mineral content mosto d'uva mosto de uva organic fertilizers ph plant response quality raisin de cuve rendement des cultures rendimiento de cultivos respuesta de la planta risposta della pianta teneur en glucides uvas para vino uve da vino variedades varieties vid vigne vigneti vignoble vineyards viticoltura viticultura viticulture vitis vinifera wine grapes