Proceedings : Toxic Substances in Agricultural Water Supply and Drainage- An International Environmental Perspective

I. Plenary Technical Session -- 1. Agricultural Chemicals and Groundwater Quality - A Look Ahead / Herman Bouwer 2. Canadian Water Quality Guidelines: Pesticide Impact on Irrigation and the Environment /A R. Davis, R. C. Pierce and M. P. Wong 3. Impacts of Selenium on Environment and its Regional Distribution Status in China / Lu Guangsi 4. Economic Analysis of Charges and Subsidies to Reduce Agricultural Drainage Pollution / Ariel Dinar and J. Letey II. The Environment, Health and Economics -- 5. Some Concepts on Contaminant Transport in Flowing Groundwater / Katsuyuki Fulinawa 6. Desulphuration of Sinter-Gases as a Way to Acid Rains Prevention and Utilization of the Waste Sludge / Michall Kuleshov 7. Impacts of Pesticides and Fertilizers on the Environment and Public Health / David Pimentel 8. Chemistry of Toxic Elements (As, B, Mo, Se) Accumulating in Agricultural Evaporation Ponds / Kenneth K. Tanji 9. Trace Element Buildup in Drainage Water Evaporation Basins, San Joaquin Valley / Dennis Westcot, Steve Rosenbaum and Gordon Bradford 10. An Increasing Block-Rate Pricing Program to Motivate Water Conservation and Drain Water Reduction / Dennis Wicheins and David Cone 11. Effluent Dispersion in River Ganga at Varanasi / Udai Kant Choudhary and Girija Shankar SThgh III. Water Quality and Reuse -- 12. The Effect of Best Management Practices on Nitrogen Transport into Chesapeake Bay / Kenneth Stave,; Russell Brinsfield and J Court Stevenson 13. A Drainage Economics Model to Evaluate Policy Options for Managing Selenium Contaminated Drainage / S. A. Hatchetl, N. W. T. Quinn, G. L. Home,; and R. E. Howitt. 14. Land Disposal of Sugarcane Mill Waste Water / Edmar Jose Scaloppi, Edson Jose Arruda Leme, Joao Carlos Cury and Jose Roberto Baptistella 15. Subsurface Drainage Contamination with Milkhouse Wastewater - An Environmental Concern / Dave Hayman 16. Studies on Heavy Metal Removal from Sewage Water Used in Sandy Soils / M. Abd EI-Naim and R. M. EI-Awady 17. Selenium Removal with Ferrous Hydroxide: Identification of Competing and Interfering Solutes / Charles D. Moody and Andrew P. Murphy 18. Underground Treatment of Ground and Surface Water for Micro Irrigation Systems / Ingo Dittrich, Dieter Eichhorn and Ulrich Hartmann 19. Vyredox and Nitredox - Mathematical Modelling and Operation Schemes / Carol Braester (Israel) and Rudolf Martinell IV. Irrigation and Drainage -- 20. Herbicide, Nutrient and Water Loss When Irrigating by the Corrugation Method / W. Nicholaichuk, R. Grover and j Whiting 21. Water and Nutrient Movement in an Agricultural Soil under Drained and Undrained Conditions / P. Richard, S. T. Chieng and N. K. Nagpal 22. Effect of Water Table Height and Soil Physical Properties on Nutrient Leaching / Linda Elder and Sie- Tan Chieng 23. Nitrogen Fertilizing of Cereals and Nitrate Contamination of Drainage Water / Herbert Hanus, Dietmar Fahnert and Peter Schoop 24. Achieving Selenium and Boron Objectives in the San Joaquin River through Drainage Reduction / Charles R. Kratzer, Paul J. Pickett, and Leslie F. Grober 25. Selenate Removal from Subsurface Agricultural Drainage by an Anaerobic Bacterial/Physical System / Randall L. Brown 26. Quality of Drainage Water in the Nile Delta / S. EI-Guindy and M. H. Amer. V. Plenary Technical Session -- 27. Accumulation of Agrochemicals and Their Metabolites in Surface and Ground Water of Various Agroclimatic Regions / Vladimir Bashkin 28. Pesticide Movement in a Coastal Plain Soil Under Irrigation / William F. Ritte,; Anastasia E. M. Chirnside and Robert W. Scarborough 29. Evaluating Policy Options for Management of Selenium Contaminated Drainage and Drainage-Related Problems in the San Joaquin Valley / Nigel W. T Quinn, S. A. Hatcheft and D. G. Swain.