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No abstract

Cash crops like dicotyledons i.e. all pulses, groundnut, pea .bean etc. are important in agriculture economy. Stimulation of this plants growth during early stages is commercially important. Iron (Fe) particles perform very important role in nitrogen fixation. To solve oxygen toxicity problem, the bacteria in the root nodules are bathed in solution of the oxygen binding Heme protein leg hemoglobin produced by plant. Leg Hemoglobin binds all available oxygen so that it can't interfere with nitrogen fixation.Therefore iron treatment is useful for leguminous plants like groundnut, pea etc.