[Frequent treatments with reduced amounts [Vitis vinifera L.; organic viticulture; plant protection; grapevine downy mildew; copper; Trentino]]

agricoltura biologica agriculture biologique application rates chemical control cobre control de enfermedades controllo delle malattie copper cuivre disease control dose d'application dosi di applicazione fongicide fungicidas fungicides fungicidi infection infezione inquinamento del suolo lutte chimique organic agriculture plasmopara viticola pollution du sol rame soil pollution trentin haut adige trentino alto adige trentino alto adigio vigneti vignoble vineyards vitis vinifera