Leaf mineral composition of apple tree: sampling date and effects of cultivar and rootstockFootnote¹

Research partially supported by the Italian Minister of University (M.U.R.S.T.—40%).

References

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• Ricerca Fertilizzazione Agrimont/Enichem Agricoltura, Banchina dell'Azoto 15, 30175 Porto Marghera (Venice).
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