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Research Article Open access CC BY 3.0

Micronutrients Distribution in Soybean Plant with Zn, Fe, and Mn Application

Soheil Kobraee, Ghorban NoorMohamadi, Hosein HeidariSharifAbad, Farokh DarvishKajori, Babak Delkhosh

Annual Research & Review in Biology · pp. 83–91 · Published 5 Mar 2013

Abstract

In order to investigate the effect of some of micronutrients application on micronutrient distribution, partitioning, and their ratio in different parts of soybean plant; we conducted an experiment in field conditions at Kermanshah, Iran, 2010 and 2011. Three levels of zinc (0, 20, 40 kg.ha-1 from ZnSo4 source); iron (0, 25, 50 kg.ha-1 from FeSo4 source) and manganese (0, 25, 40 kg.ha-1 from MnSo4 source) were applied. Based on results, it was found that Zn and Mn concentrations increased within the plant with micronutrient fertilizers application. The highest Zn concentration was observed in pod, but Maximum Fe and Mn concentrations recorded in leaves. With increases in soybean old and reach to full maturity stage, the Zn, Fe, and Mn content in tissue plant were decreased. The results indicated that with Zn application [Zn]/[Fe] and [Zn]/[Mn] ratios in seed increased. With Fe fertilizer application [Zn]/[Fe] ratio was decreased, but had no effect on [Zn]/[Mn] ratio.

Iron manganese partitioning trace element zinc

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