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Soil and Water Quality: An Agenda for Agriculture References Abdalla, C. W. 1990. Agriculture and groundwater quality: Emerging issues and policies. Pp. 1-16 in Proceedings of the Philadelphia Society for the Promotion of Agriculture. Philadelphia, Pa.: The Society. Aber, J. D., K. J. Nadelhoffer, P. Steudler, and J. M. Melillo. 1989. Nitrogen saturation in northern forest ecosystems. BioScience 39:378-386. Abler, D. A., and J. S. Shortle. 1991. The political economy of water quality protection from agricultural chemicals. Northeastern Journal of Agricultural and Resource Economics 20:53-60. Adams, R. S., and J. S. V. McAllister. 1975. Nutrient cycles involving phosphorus and potassium on livestock farms in Northern Ireland. Journal of Agricultural Science 85:345-349. Adams, R. T., and F. M. Kurisu. 1976. Simulation of Pesticide Movement on Small Agricultural Watersheds. Publication No. EPA-600/3-76-066. Sunnyvale, Calif.: Environmental Systems Laboratory. Addiscott, T., and D. Powlson. 1989. Laying the ground rules for nitrate. New Scientist 122(1662):28-29. Addiscott, T. M., and R. J. Darby. 1991. Relating the nitrogen fertilizer needs of winter wheat crops to the soil's mineral nitrogen. Influence the downward movement of nitrate during winter and spring. Journal of Agricultural Science 117(part 2):241-249. Addiscott, T. M., and R. J. Wagenet. 1985. Concepts of solute leaching in soils: A review of modeling approaches. Journal of Soil Science 36:411-424. Adriano, D. C. 1986. Trace Elements in the Terrestrial Environment. New York: Springer-Verlag. Alberts, E. E., W. H. Neibling, and W. C. Moldenhauer. 1981. Transport of sediment nitrogen and phosphorus in runoff through cornstalk residue strips. Soil Science Society of America Journal 45:1177-1184. Alberts, E. E., and R. G. Spomer. 1985. Dissolved nitrogen and phosphorus in runoff from watersheds in conservation and conventional tillage. Journal of Soil and Water Conservation 40:153-157.

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Soil and Water Quality: An Agenda for Agriculture Alexander, E. B., and J. C. McLaughlin. 1992. Soil porosity as an indication of forest and rangeland soil condition (compaction) and relative productivity. Pp. 52-61 in Proceedings of the Soil Quality Standards Symposium. Report No. W0-WSA-2. Washington, D.C.: U.S. Department of Agriculture, Forest Service. Allmaras, R. R., R. E. Burwell, and R. F. Holt. 1967. Plow-layer porosity and surface roughness from tillage as affected by initial porosity and soil moisture at tillage time. Soil Science Society of America Proceedings 31:550-556. Allmaras, R. R., G. W. Langdale, P. W. Unger, R. H. Dowdy, and D. M. VanDoren. 1991. Adoption of conservation tillage and associated planting systems. Pp. 53-84 in Soil Management for Sustainability, R. Lal and F. J. Pierce, eds. Ankeny, Iowa: Soil and Water Conservation Society. Alonzo, C. V., and F. D. Theurer. 1988. Environmental degradation of salmon spawning gravels in Tucannon River. Pp. 411-416 in Proceedings of the ASCE National Conference on Hydraulic Engineering. New York: American Society of Civil Engineers. Ambus, P., and R. Lowrance. 1991. Comparison of denitrification in two riparian soils. Soil Science Society of America Journal 55:994-997. American Society of Agricultural Engineers. 1977. Soil Erosion and Sediment. Proceedings of a National Symposium: Soil Erosion and Sedimentation by Water. ASAE Publication 4-77. St. Joseph, Mich.: American Society of Agricultural Engineers. American Society of Agricultural Engineers. 1988. Manure Production and Characteristics. ASAE Data D384. St. Joseph, Mich.: American Society of Agricultural Engineers. Anderson, H. W. 1975. Sedimentation and turbidity hazards in wildlands. Pp. 347-376 in Watershed Management Symposium Proceedings. Irrigation and Drainage Division. New York: American Society of Civil Engineers. Anderson, R. L., and L. A. Nelson. 1975. A family of models involving intersecting straight lines and concomitant experimental designs useful in evaluating response to fertilizer nutrients. Biometrics 31:303-318. Andraski, B. J., D. H. Mueller, and T. C. Daniel. 1985. Phosphorus losses in runoff as affected by tillage. Soil Science Society of America Journal 49:1523-1527. Angle, J. S., G. McClung, M. S. McIntosh, P. M. Thomas, and D. C. Wolf. 1984. Nutrient losses in runoff from conventional and no-till corn watersheds. Journal of Environmental Quality 13:431-435. Arnold, R. W., I. Zaboles, and V. C. Targulian, eds. 1990. Global Soil Change. Report of IIASA-ISSS. U.N. Environment Program Task Force on the Role of Soil in Global Change. Laxenburg, Austria: International Institute for Applied Systems Analysis. Arshad, M. A., and G. M. Coen. 1992. Characterization of soil quality: Physical and chemical criteria. American Journal of Alternative Agriculture 7:25-32. Atkinson, S. E., and T. H. Tietenberg. 1982. The empirical properties of two classes of designs for transferable discharge permit markets . Journal of Environmental Economics and Management 9:101-121. Ayers, R. S., and D. W. Westcot. 1985. Water Quality for Agriculture. FAO Irrigation and Drainage Paper 29, Rev. 1. Rome: Food and Agriculture Organization of the United Nations. Azevedo, J., and P. R. Stout. 1974. Farm Animal Manures: An Overview of Their Role in the Agricultural Environment. California Agricultural Experiment Station and Extension Service Manual 44. Berkeley: California Agricultural Experiment Station and Extension Service. Backlund, V. L., and R. R. Hoppes. 1984. Status of salinity in California. California Agriculture (October):8-9.

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