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Characterisation of soil irrigated with pulp and paper mill wastewater for variation in physico-chemical, biological and enzymatic properties

Author

Listed:
  • Prashant R. Thawale
  • R. Karthik
  • Surbhi Jore
  • Sanjeev K. Singh
  • Asha A. Juwarkar

Abstract

Treated wastewater has attracted worldwide attention for its disposal on land; since it is eco-friendly, cost-effective, helps in irrigation of crops and ground water recharge. The study reported here highlights the disposal of treated pulp and paper mill wastewater through well designed land treatment method i.e., high rate transpiration system (HRTS). The HRTS is based on the well controlled hydraulic loading of treated wastewater in land using ridges and furrows. Long term field irrigation experiments (20 years) and short term laboratory experiment (three-seasons) were carried out to evaluate the effect of treated wastewater irrigation on soil physiochemical and microbiological properties. Seasonal variation affected both microbial count and enzyme activity significantly (P < 0.03) with peak value in autumn and trough in winter. Soil enzyme activities indicated significant positive correlation with the number of microbial population in all the seasons of study. Different microbial population and enzyme activities indicated significant positive correlation with percent organic carbon irrespective of soil types.

Suggested Citation

  • Prashant R. Thawale & R. Karthik & Surbhi Jore & Sanjeev K. Singh & Asha A. Juwarkar, 2015. "Characterisation of soil irrigated with pulp and paper mill wastewater for variation in physico-chemical, biological and enzymatic properties," International Journal of Environmental Technology and Management, Inderscience Enterprises Ltd, vol. 18(3), pages 207-217.
    • Handle: RePEc:ids:ijetma:v:18:y:2015:i:3:p:207-217
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