FIFTH CONGRESS ON IRRIGATION AND DRAINAGE TOKYO-1963: REPORTS FOR DISCUSSION QUESTION 15 R.1 TO R

1. Utilization of nutrients from waste waters and liquid manure during irrigation / K. Stehlik, J. Salek, (Czechoslovakia) 2. Use of wastewater for irrigation in Saskatchewan / Y. W. Jame, et al. (Canada) 3. Land treatment of municipal waste water in Braunschweig / Dr. Horst Ewert (Fed. Rep. of Germany) 4. Environmental protection at waste water irrigation / K. Stehlik, J. Salek and M. Maly (Czechoslovakia) 5. Technical projects of waste water irrigation / J. Salek and K. Stehlik (Czechoslovakia) 6. Traitement et valorisation des eaux usees par les Systemes Sol-Plante: Epandage et Irrigation avec les eaux usees / B. Maresca (France) 7. Soil-plant-water relationship and the problems to the limit values of irrigation water quality / I. Petrasovits et al. (Hungary) 8. Criteria for irrigation water quality in Pakistan / Muhammad Ashraf and Muhammad Abdul Qayyum (Pakistan) 9. The use of saline water in irrigation / F.W. Collier (Great-Britain) 10. Optimal crop production with saline irrigation waters / Glenn J. Hoffman (USA) II. Economic aspects of irrigation with low quality (saline) water / D. Yaron (Israel). 12. Use of saline water for irrigation of agricultural crops / V.I. Bobchenko, O.G. Grammatikati, S. Ya. Soyfer (USSR) 13. Use of saline, ground drainage and sea waters for land irrigation and leaching: Experiments in Azerbaijan / A.K. Bekhbudov, M.M. Seyidov and A.T. Shchedrin (USSR) 14. Management of poor quality sub-soil irrigation water in the Punjab / H.M. Bhatti et al. (Pakistan) 15. Irrigation with low quality water in Bangladesh / Z. Karim et al. (Bangladesh) 16. Weed and silt control and cleaning of open canal and drainage systems-Committee on Construction and Operation / Gordon P. Hawkins Chairman and Members of the Committee 17. "Construction problems in difficult soils-Case History Study" - (4 Studies) / Gordon P. Hawkins et al. (USA) 17.1. Engineering Geochemistry and the design of the San Luis Drain, in California (USA) / Nikola P. Prokopovich (USA) 17.2. Hydro-compaction along the San Luis Canal, and its service area in the San Joaquin Valley, California, USA / Nikola P. Prokopovich (USA) 17.3. Land subsidence and canals, of the Federal Central Valley project / Nikola P. Prokopovich (USA) 17.4. A case study of construction in difficult soils North Ridge Dam / P. J. Rivard and W. Rorquist (Canada)

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