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\bibitem{Tomasi_etal2014} {\textquotedblleft}\textit{Nutrient accumulation in leaves of Fe-deficient cucumber plants treated with natural Fe complexes}{\textquotedblright}. Tomasi N, Mimmo T, Terzano R, Alfeld M, Janssens K, Zanin L, Pinton R, Varanini Z, Cesco S, Biology and fertility of soils \textbf{50}, 973 (2014).   http://doi.org/10.1007/S00374-014-0919-6

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