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Abstract
Blackgram (Vigna mungo, L.) growth was measured in a glasshouse earthen‐pot experiment. Cadmium (Cd), copper (Cu), and zinc (Zn) were applied in different concentrations to the soil. The plant and soil samples were analysed 45 days after sowing using ICP‐AES. The dry matter yield of tissue showed highly significant reduction (at the 1% level) for Cd and Cu, and nonsignificant variation for Zn. This shows that phytotoxicity for Cd and Cu was greater than that for Zn. Further, the observed higher correlation coefficients suggest that the concentration of the elements in tissue is linearly related to that applied to the soil.