Volume 9 Number 2 N. K. Sharma Department of Biological and Environmental Science, N. V. Patel College of Pure and Applied Sciences, Vallabh Vidya Nagar, Anand, Gujarat, India S. Bhardwaj Department of Botany, Bareily College, Bareily, UP, India P. K. Srivastava Department of Biological and Environmental Science, N. V. Patel College of Pure and Applied Sciences, Vallabh Vidya Nagar, Anand, Gujarat, India and Present address: Water and Environment Management Research Centre, Department of Civil Engineering, University of Bristol, Bristol, UK Y. J. Thanki Department of Biosciences, V.N. South Gujarat University, Surat, Gujarat, India P. K. Gadhia Department of Biosciences, V.N. South Gujarat University, Surat, Gujarat, India M. Gadhia Department of Biosciences, V.N. South Gujarat University, Surat, Gujarat, India Irrigating Petrochemical effluents Soil chemical changes Soil chemical changesIrrigatingPetrochemical effluents