[Soil and grapevine esca disease: the point from the beginning of surveys [Vitis vinifera L.; Tuscany]]

azote azoto calcaire calcare calcio calcium caliza carbon carbone carbonio carbono clay soils cobre contenido de agua en el suelo copper cuivre disease surveys disponibilidad de nutrientes encuestas sanitarias enfermedades fungosas fer ferro fosforo fungal diseases geographical information systems hierro indagini sulle malattie infection infezione iron limestone magnesio magnesium maladie fongique malattie fungine nitrogen nutrient availability ph del suelo ph del suolo ph du sol phosphore phosphorus potasio potassio potassium rame rhizosphere rizosfera sintomi sistemi di informazione geografica soil ph soil texture soil water content sol argileux suelo arcilloso suoli argillosi symptome symptoms teneur en eau du sol tessitura del terreno textura del suelo texture du sol toscana toscane tuscany vitis vinifera