Abstract
Soybean (Glycine max (L.) MERR. CV. ‘Amsoy’) plants were grown for 40 days in nutrient solution at various concentrations of ammonium. Maximum yield of dry matter was obtained at a concentration of 715 μM. Further increase in the concentration of ammonium resulted in a reduction in growth due to ammonium toxicity which affected both root and shoot development. The pattern of nitrogen accumulation in tops was consistent with the multiphasic uptake of ammonium and can be represented by 2 phases in the range 1.78 X 10-5-3.57 x X 10-3 M of ammonium.
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Joseph, R.A., Van Hai, T. & Lambert, J. Effect of ammonium concentration on growth and nitrogen accumulation by soybean grown in nutrient solution. Biol Plant 18, 339–343 (1976). https://doi.org/10.1007/BF02922459
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DOI: https://doi.org/10.1007/BF02922459