Effect of iron-manganese interaction on the yield and content of Fe and Mn in maize (Zea mays L.)
1999
Bansal,R.L. | Chahal,D.S. | Nayyar,V.K.
A greenhouse study was conducted to evaluate the influence of Fe and Mn application on the dry matter yield, and on the content and uptake of these elements in maize grown on Fe- and Mn-deficient alkaline soils.There were five levels of Fe (0, 25, 50, 100 and 200 mg Fe kg-1 soil as FeSO4.7H2O) and four levels of Mn (0, 50, 100 and 200 mg Mn kg-1 soil as MnSO4.H2O).The highest yield was obtained with the combined application of 50 mg Fe and 100 mg Mn kg-1 soil, while the further application of either of these micronutrients decreased the yield significantly.Higher rates of Fe decreased the content and uptake of Mn in the plants and resulted in a significant decrease in yield.Similarly, higher rates of applied Mn resulted in a significant decrease in the content and uptake of Fe in the plants.
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