[Management of mineral nutrition for a quality viticulture. Pt.2 [Vitis vinifera L.]]

abonos fosfatados abonos nitrogenados abonos organominerales abonos potasicos azote azoto calcio calcium concimi azotati concimi fosfatici concimi potassici date de traitement engrais organique engrais potassique epoca di trattamento estado nutricional fecha de tratamiento fertilisation fertilizer application fertilizzanti organici fertilizzanti organominerali fosforo grapevines magnesio magnesium nitrogen nitrogen fertilizers nutritional status oligoelementi oligoelementos organic fertilizers organomineral fertilizers phosphate fertilizers phosphore phosphorus potash fertilizers potasio potassio potassium stato nutrizionale trace elements treatment date vid vigne vitis vinifera