Abstract
Laboratory experiments were conducted to study the impact of various concentrations of paper and pulp mill effluents on the germination and growth of maize and sunflower seedlings. The germination and vigour index of seedlings of both and crop plants were found to be poor at higher concentrations of the effluents. The plant height also decreased with the increase in the effluent concentrations. The mean fresh weight of shoot and root of various effluent concentrations of the treated plants increased with the decrease in the effluent concentration. Effluents at low concentrations (25% v/v) had a significant effect on seed germination, growth and development of seedlings of both the test crops.
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