Upcoming Events Acknowledgments. The authors acknowledge with thanks Dr. J. L. Steiner, USDA-ARS, Soil and Water Conservation Laboratory, Bushland, Texas, and Dr. C. W. Richardson, USDA-ARS, Grassland Soil and Water Research Laboratory, Temple, Texas, for providing pre- cipitation and evaporation data. References 1. Anderson, J. R., J. L. Dillon, and J. B. Har- daker. 1977. Agricultural decision analysis. The Iowa State University Press, Ames, Iowa. 2. Bloodgood, D. W., R. E. Patterson, and R. L. Smith. 1954. Water evaporation in Texas. Texas Agricultural Experiment Station Bulle- tin 787, College Station, Texas. 3. Cooley, K. R. 1975. Evaporation suppression for conserving farm water supplies. In G. W. Frasier (ed.). Proc. Water Harvesting Sympo- sium, Phoenix, Arizona, March 26-28, 1974. ARS-W-22. Agricultural Research Service, U.S. Department of Agriculture, Washington, DC. 4. Frasier, G. W. 1975. Water harvesting for live- stock, wildlife and domestic use. In G. W. Fra- sier (ed.). Proc. Water Harvesting Symposium, Phoenix, Arizona, March 26-28, 1974. ARS- W-22. Agricultural Research Service, U.S. De- partment of Agriculture, Washington, DC. 5. Krishna, J. H., G. F. Arkin, and J. R. Martin. 1987. Runoff impoundment for supplemental irrigation in Texas. Water Resources Bulletin 23:1057-1061. 6. Laing, I. A. F. 1975. Sealing excavated tanks on farms in Western Australia. In G. W. Fra- sier (ed.). Proc. Water Harvesting Symposium, Phoenix, Arizona, March 26-28, 1974. ARS- W-22. Agricultural Research Service, U.S. De- partment of Agriculture, Washington, DC. 7. Lansford, V. D., W. L. Harmon, and J. T. Musick. 1986. The Texas high plains: Adjust- UPCOMING EVENTS May 4-5. An Amish Study Tour will be held in Berlin, Ohio. Contact Ed Martsolf/Arlene Musselman, A Whole New Approach; (501) 889-2915. May 17-20. Fourth North American Symposium on Society and Resources Management will be held in Madison, Wisconsin. Contact Donald R. Field, School of Natural Resources, 1450 Lin- den Drive, Madison, WI 53706. June 4-7. Diversity in Food, Agricul- ture, Nutrition and Environment will be held at the Kellogg Center, Michi- gan State University, East Lansing, Michigan. Sponsors are the Associa- tion for the Study of Food and Society and the Agriculture, Food, and Human Values Society. Contact Lawrence ments to changing economic and resource con- ditions 1970-1985. Texas Agricultural Experi- ment Station, College Station, Texas. 8. Ritchie, J. T. 1972. Model for predicting evap- oration from a row crop with incomplete cover. Water Resources Research 8:1204- 1213. 9. Scrimgeour, F. G. 1989. A model for the eco- nomic evaluation of water harvesting. In P. W. Unger, W. R. Jordan, and T. V. Sneed (eds.). Proc. International Conference on Dryland Farming, Amarillo, Texas, August, 1988. Ag- ricultural Research Service, U.S. Department of Agriculture, Washington, DC. 10. Steiner, J. L. 1989. Simulation of evaporation and water use efficiency of fallow based crop- ping systems. In P. W. Unger, W. R. Jordan, and T. V. Sneed (eds.). Proc. International Conference on Dryland Farming, Amarillo, Texas, August, 1988. Agricultural Research Service, U.S. Department of Agriculture, Washington, DC. 11. Stewart, B. A., J. T. Musick, and D. A. Dusek. 1983. Yield and water use efficiency of grain sorghum in a limited irrigation-dryland farm- ing system. Agronomy Journal 75:629-634. 12. Texas Agricultural Extension Service. 1988. Texas crop enterprise budgets. Texas Panhan- dle District, Texas A&M University, College Station, Texas. 13. Thornton, P. K., and J. B. Dent. 1987. IBS- NAT crop models in a socio-economic whole farm framework. Agrotechnology Transfer 6:1-6. 14. USDA-ARS. (Undated). The USDA conser- vation and production research laboratory. U.S. Department of Agriculture, Bushland, Texas. 15. Williams, J. R., C. A. Jones, and P. T. Dyke. 1988. The EPIC model. Texas Agricultural Experiment Station, College Station, Texas. Busch, Program Chair, Department of Sociology, MSU, East Lansing, MI 48824-1111. June 22-26. A Theology for Coming Home, sponsored by American Baptist Churches, USA Board of National Ministries, American Baptist Churches of the Central Region, and The Land Institute, will be held in Salina, Kansas. Contact Dr. A. David Stewart, 1801 Anderson, Manhattan, KS 66502; (913) 539-3538. July 14-22. International Crop Sci- ence Congress will be held at Iowa State University in Ames, Iowa. Con- tact Brian Meyer, ISU Ag Information, (515) 294-0706; or Steve Jones, ISU News Service, (515) 294-4778. July 30-August 1. Participatory On-Farm Research and Education for Agricultural Sustainability, sponsored by Agricultural Research Institute, University of Illinois College of Agri- culture, American Society of Agron- omy, USDA-EPA, and LISA-ACE Program, will be held in Champaign, Illinois. Contact Dr. John M. Gerber, UI Agricultural Experiment Station, 211 Mumford Hall, 1301 West Greg- ory Drive, Urbana, IL 61801; (217) 244-4232. August 9-12. Resource Management in a Dynamic World, the Soil and Wa- ter Conservation Society's Annual Meeting, will be held in Baltimore, Maryland. Contact Tony Vrana, SWCS, 7515 Northeast Ankeny Road, Ankeny, IA 50021-9764; (515) 289-2331. August 11-16. Rural Society in the Changing World Order, the 8th World Congress for Rural Sociology, will be held at Pennsylvania State University, followed on August 16-19 by Rurality and the Global Environment, the 55th Annual Meeting of the Rural Sociolog- ical Society. Contact World Congress/ RSS, Penn State, 306 Agricultural Ad- ministration Building, University Park, PA 16802; (814) 865-8301. August 14-16. 18th Annual Confer- ence, Natural Organic Farmers Associ- ation, will be held at Hampshire Col- lege, Amherst, Massachusetts. Contact Julie Rawson, 411 Sheldon Road, Barre, MA 01005; (508) 355-2853. August 19-22. Industrial and Third World Environmental Assessment: The Urgent Transition to Sustainability, the 12th Annual Meeting of the Inter- national Association for Impact As- sessment, will be held at the World Bank, Washington, DC. Contact Mau- rice E. Voland, IAIA, P.O. Box 70, Belhaven, NC; (919) 964-2340. November 16-21. Organic Agricul- ture, A Key to a Sound Development and a Sustainable Environment, a sci- entific conference of the International Federation of Organic Agriculture Movements, will be held in Sao Paulo, Brazil. Contact SOMA Rel. e Com. Ltda, Rua Atlantica, 81, 10440, Sao Paulo, SP, Brazil. - A Volume 6, Number 3, 1991 145 https://doi.org/10.1017/S0889189300004112 Downloaded from https://www.cambridge.org/core. Carnegie Mellon University, on 06 Apr 2021 at 01:38:31, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1017/S0889189300004112 https://www.cambridge.org/core https://www.cambridge.org/core/terms