The control of chlorosis in mandarine orange orchards in the Aegean Region of Turkey by applying iron compounds to soil and leaves
1986
Kovanci, I. | Hakerlerler, H. | Oktay, M. (Ege Univ., Faculty of Agriculture, Izmir (Turkey). Div. of Soil Science) | Hoffner, W. (Justus Liebig Univ., Giessen (Germany). Inst. of Plant Nutrition)
In a fifteen years, old mandarine orchard with Fe-chlorosis, a study was made of the application to soil and leaves of Sequestren 138 Fe, Nervanaid-Fe, Ferriplex and FeSO4 7H2O. The leaf content of total and active Fe was taken as a measure of fertilizer efficiency. Application to the soil of the various Fe-compounds led to an increase of total Fe-content in the leaves, there being no differences between the trials. The content of active iron in the leaves was increased most by applying Sequestren
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