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A glasshouse experiment was conducted to study the influence of Fe and Mn applications in lowland alluvial soil on the growth of paddy rice and the concentration of Fe and Mn in leaves and stems. The application of Mn alone up to 10 ppm increased the dry matter yield of rice, whereas yield decreased with further increase in Mn levels. Similarly addition of Fe alone up to 30 ppm increased the dry weights but decrease was observed beyond that level. The application of Mn up to 10 ppm in the presence of Fe however, increased yields at all Fe levels. The maximum dry matter yield was recorded when 10 ppm Mn was supplied with 30 ppm Fe.. Manganese concentration in leaves and stems increased with increase in Mn levels but in the absence of Fe. Its