The uptake of Zn, Mn, Cu and B from spray mixtures by navel orange leaves

Abstract

The effect of spray mixtures containing Zn, Mn, Cu, and B on the leaf levels of these elements in navel oranges was investigated in the Rustenburg area, South Africa. Foliar applications increased the levels of Zn, Mn, and B satisfactorily. The uptake of Mn appeared to be independent of complementary ions. Certain discrepancies observed in the uptake of… (More)
DOI: 10.1007/BF00014809

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