Experiments were conducted in pots using sorghum CSH 5 and inorganic iron complexed with organic matter. Two soils, one black calcareous and other red, were used for conducting the experiments. Highly beneficial effects on uptake of iron and other nutrients and on yield of straw and grain were observed due to the application of complexed iron to the soils. Iron uptake was highly correlated with the uptake of N. P. K, Ca, Mg, Zn. Cu and Mn at' seedling, flowering and maturity stages of growth. Uptake of iron by resorting to application of complexed iron in the sell was highly significant.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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