Impact of Dyeing Industry Effluent on Soil and Crop
Journal Title: Universal Journal of Environmental Research and Technology - Year 2012, Vol 2, Issue 6
Abstract
The effect of dyeing industry effluent on agricultural soil, growth pattern and yield of wheat (Triticum vulgare) crop were investigated. The study involved cultivation of wheat on the tub soil through irrigation with the effluent collected from Bangladesh Dyeing and Finishing Industry ltd., Savar. Both treated and untreated effluent was analyzed and utilize in irrigation for crop cultivation. By studying various physico chemical properties and heavy metal and in terms of SAR and SSP value it was found that the treated effluent from the dyeing industry was suitable for irrigation. On irrigation of soil with the treated effluent an increase in water soluble salts, pH, electrical conductivity, cation exchange capacity, nitrogen, phosphorous, potassium, sodium, calcium, magnesium and iron contents of the soil for effluent concentration of 2.5 to 5% were observed but all these parameters were found to decrease when the soil is irrigated with the effluent, concentration from 10% and above. Plant height, leaf area, seed dry weight, root dry weight, number of seeds obtained from the wheat plant, protein and carbohydrate content in wheat seeds obtained from the plant irrigated with 2.5, 5% treated effluent also showed an increasing trend and decreased from 10% and above. In case of untreated effluent no sequential order was observed for the above mentioned parameters and showed a lower data value than the treated effluent. However the rate of seed germination decreased in both the cases (treated and untreated effluent) than the control but treated effluent showed a better result than the untreated effluent.
Authors and Affiliations
Y. N. Jolly, A. Islam and A. I. Mustafab
Keywords
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