Publications From the Long-Term Experiments

1957

Oveson, M.M. and W. E. Hall. 1957. Longtime tillage experiments on eastern Oregon wheat land. Tech. Bull. 39. Agric. Expt. Stn. Oregon State College & USDA-ARS. 47 pp.

1966

Oveson, M.M. 1966. Conservation of soil nitrogen in a wheat-summer fallow farming practice. Agron. J. 58:444-447.

1967

Oveson, M.M. and R.S. Besse. 1967. The Pendleton experiment station - its development, program, and accomplishments, 1928-1966. Spec. Rept. 233. Oregon Agric. Expt. Stn., Corvallis, OR.

1977

Rasmussen, P.E., R.E. Ramig, L.G. Ekin, and C.R. Rohde. 1977. Tissue analyses guidelines for diagnosing sulfur deficiency in white wheat. Plant and Soil 46:153-163.

1978

Allmaras, R.R., K. Ward, P.E. Rasmussen, and C.R. Rohde. 1978. Soil acidification from long-term use of ammonium-type nitrogen fertilizers. pp. 55-58. In Spec. Rept. SM 78-4, Oregon State Univ. Agric. Exp. Stn. & USDA-ARS, Corvallis, OR.

Douglas, C. L., Jr., R. R. Allmaras, and P. E. Rasmussen. 1978. Silica movement in a Walla Walla soil. p. 134. Agron. Abstr., Am. Soc. of Agron., Madison, WI.

Rasmussen, P. E., R. R. Allmaras, C. R. Rohde, and N. C. Roager, Jr. 1978. Effects of crop residue management in a wheat-fallow rotation on carbon and nitrogen in soil. p. 160. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Rasmussen, P.E., C.R. Rohde, and N.C. Roager, Jr. 1978. Long‑term effects of crop residue management on organic matter levels in soil (1931-1976). pp. 52-54. In Spec. Rept. SM 78‑4, Oregon State Univ. Agric. Exp. Stn., Corvallis, OR.

1979

Engle, C.F. and P.E. Rasmussen. 1979. Grain stubble burning depletes the soil. pp. 34-39. In Pendleton-Walla Walla Fertilizer Dealers Conf., Walla, WA.

1980

Rasmussen, P.E., R.R. Allmaras, C.R. Rohde, and N.C. Roager, Jr. 1980. Crop residue influences on soil carbon and nitrogen in a wheat-fallow system. Soil Sci. Soc. Am. J. 44:596-600.

Rasmussen, P. E. and R. W. Rickman. 1980. Temperature elevation and duration within the canopy of burning wheat stubble. p. 191. Agron. Abstr., Am. Soc. Agron., Madison, WI.

1983

Rasmussen, P. E. and C. R. Rohde. 1983. Long-term changes in soil C, N, and pH produced by NH4 -N fertilization. p. 178. Agron. Abstr., Am. Soc. Agron., Madison, WI.

1984

Douglas, C.L. Jr., R.R. Allmaras, and N.C. Roager, Jr. 1984. Silicic acid and oxidizable carbon movement in a Walla Walla silt loam as related to long-term management. Soil Sci. Soc. Am. J. 48:156-162.

1986

Pikul, J.L. Jr., and R.R. Allmaras. 1986. Physical and chemical properties of a Haploxeroll after fifty years of residue management. Soil Sci. Soc. Am. J. 50:214-219.

Rasmussen, P.E. and P.O. Kresge. 1986. Plant response to sulfur in the Western United States. pp. 357-374. In Sulfur in Agriculture (M. A. Tabatabai, Ed.). ASA Monograph, No. 27, Am. Soc. Agron., Madison, WI. (Monograph chapter)

Rasmussen, P.E., R.W. Rickman, and C.L. Douglas, Jr. 1986. Air and soil temperature changes during spring burning of standing wheat stubble. Agron J. 78:261-263.

Rasmussen, P. E., and C. R. Rohde. 1986. Long-term tillage and nitrogen effects on organic C and N in semiarid soils. p 251. Agron. Abstr., Am. Soc. Agron. Madison, WI.

Rasmussen, P.E. and C.R. Rohde. 1986. Nitrogen fertilization, stubble burning, and benomyl effects on Cercosporella foot rot in winter wheat. p 143-146. In Proc. 37th Northwest Fertilizer Conf., Boise, ID.

1988

Castellano, S.D., and R.P. Dick. 1988. Distribution of sulfur fractions in soil as influenced by management of organic residues. Soil Sci. Soc. Am. J. 52:1403-1405.

Collins, H. P., P. E. Rasmussen, and C. L. Douglas. 1988. Characterization of microbial activity after 58 years of wheat-fallow cropping. p. 213. Agron Abstr. Am. Soc. Agron., Madison, WI.

Dick, R.P., P.E. Rasmussen, and E.A. Kerle. 1988. Influence of long-term management on soil enzyme activities in relation to soil chemical properties of a wheat-fallow system. Biol. Fert. Soils 6:159-164.

Dick, R. P., P. E. Rasmussen, and E. A. Kerle. 1988. Kinetic parameters of enzyme activities as influenced by organic residue and N fertilizer management. p. 180. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Rasmussen, P.E. 1988. Long-term research on soil organic matter. p. 3-4. Small Farm News. (May-June issue) Coop. Ext. Sv., Univ. of California, Davis, CA.

Rasmussen, P.E., and C.R. Rohde. 1988. Stubble burning effects on winter wheat yield and nitrogen utilization. Agron. J. 80:940-942.

Rasmussen, P.E., and C.R. Rohde. 1988. Long-term tillage and nitrogen fertilization effects on organic nitrogen and carbon in a semi-arid soil. Soil Sci. Soc. Am. J. 52:1114-1117.

Smith, J. L., P. E. Rasmussen, and H. P. Collins. 1988. Nitrogen transformations as affected by 50 years of residue management treatments. p. 224. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Zuzel, J. F., J. L. Pikul, Jr., and P. E. Rasmussen. 1988. Tillage and fertilizer effects on water infiltration. EOS Trans. Am. Geophys. Union 69:1219-1220.

1989

Rasmussen, P.E., and C.R. Rohde. 1989. Soil acidification from ammonium-nitrogen fertilization in moldboard plow and stubble-mulch wheat-fallow tillage. Soil Sci. Soc. Am. J. 53:119-122.

Rasmussen, P.E., H.P. Collins, and R.W. Smiley. 1989. Long-term management effects on soil productivity and crop yield in semi-arid regions of Eastern Oregon, Stn. Bull. 675, Oregon State Univ. Agric. Expt. Stn. and USDA-ARS, Corvallis, OR. 57 pp.

Rasmussen, P.E., C.R. Rhode, and R.W. Smiley. 1989. Improving grain yield: 60-years of progress. p. 11-13. In Spec. Rept. 840. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis, OR.

Rasmussen, P. E., R. W. Smiley, and H. P. Collins. 1989. Long-term (1931-present) fertilizer, residue management, and tillage studies at Pendleton, Oregon. p. 250. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Wilkins, D.E., P.E. Rasmussen, and H.P. Collins. 1989. Straw to grain ratios of Stephens winter wheat. p. 80-86. In Spec. Rept. 840. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis, OR.

1990

Rasmussen, P. E. and C. L. Douglas, Jr. 1990. Straw residue and nitrogen fertilizer effects on no-till wheat. p. 278. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Rasmussen, P.E. 1990. Long-term yield-protein relations in dryland winter wheat. pp. 86-90. Proc. 41st Ann. Northwest Fert. Conf. Farwest Fert. & Agrichem. Assoc., Spokane, WA.

Rasmussen, P.E. 1990. Long-term sulfur management in northern wheat growing areas. pp. 112-118. Proc. MEY Wheat Management Conf., Denver, CO. Phosphate-Potash Inst., Atlanta, GA.

Zuzel, J.F., J.L. Pikul, Jr., and P.E. Rasmussen. 1990. Tillage and fertilizer effects on water infiltration. Soil Sci. Soc. Am. J. 54:205-208.

1991

Allmaras, R.R., D.A. Laird, C.L. Douglas, Jr., P.E. Rasmussen, and P.J. Copeland. 1991. Long-term tillage, residue management, and nitrogen fertilizer influences on soluble silica in a Haploxeroll. p. 323. Agron. Abstr., Am. Soc. Agron., Madison, WI

Mitchell, C.C., R.L. Westerman, J.R. Brown, and T.R. Peck. 1991. Overview of long-term agronomic research. Agron. J. 83:24-29.

Rasmussen, P.E. 1991. Nitrogen movement and recovery in dryland winter wheat. pp. 74-78. Proc. 42nd Ann. Northwest Fert. Conf. Farwest Fert. & Agrichem. Assoc., Spokane, WA.

Rasmussen, P.E. 1991. Managing soil carbon. p. 40. In M.G. Johnson and J.S. Kern (ed.) Sequestering carbon in soils: A workshop to explore the potential for mitigating global climate change. EPA/600/3-91/031 USEPA Environ. Res. Lab, Corvallis, OR.

Rasmussen, P.E. and H.P. Collins. 1991. Long-term impacts of tillage, fertilizer, and crop residue on soil organic matter in temperate semi-arid regions, Adv. Agron. 45:93-134.

Rasmussen, P.E., and C.R. Rohde. 1991. Tillage, soil depth, and precipitation effects on wheat response to nitrogen. Soil Sci. Soc. Am. J. 55:121-124.

Rasmussen, P.E., R.R. Allmaras, and C.L. Douglas, Jr. 1991. Nitrogen fertilizer effects on soil acidity and N mineralization. p. 298. Agron. Abstr., Am. Soc. Agron., Madison, WI.

1992

Collins, H.P., P.E. Rasmussen, and C.L. Douglas, Jr. 1992. Crop rotation and residue management effects on soil carbon and microbial dynamics. Soil Sci. Soc. Am. J. 56:783-788

1993

Douglas, C.L., Jr., P.E. Rasmussen, and H.P. Collins. 1993. Effect of residue on nitrogen mineralization across agronomic zones. p. 313. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Pikul, J.L. Jr., R.E. Ramig, and D.E. Wilkins. 1993. Soil properties and crop yield among four tillage systems in a wheat-pea rotation. Soil Tillage Res. 26:151-162.

Rasmussen, P.E. 1993. Surface residue and nitrogen fertilization effects on no-till wheat. pp. 555-558. In N.J. Barrow (ed.) Plant Nutrition - From Genetic Engineering to Field Practice. Kluwer Acad. Publ., Dordrecht.

Rasmussen, P.E., R.W. Smiley, and B. Duff. 1993. Biological and economic sustainability of wheat/fallow agriculture. pp. 13-22. In Spec. Rept. 909. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis, OR.

Rasmussen, P.E., C.L. Douglas, Jr., and H.P. Collins. 1993. Long-term management effects on soil nitrogen mineralization. p. 283. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Smiley, R.W. 1993. Physiologic leaf spot of wheat. pp. 28-38. In: Spec. Rept. 909. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis.

Smiley, R.W., W. Uddin, P.K. Zwer, D.J. Wysocki, D.A. Ball, T.G. Chastain, and P.E. Rasmussen. 1993. Influence of crop management practices on physiologic leaf spot of winter wheat. Plant Dis. 77:803-810.

Wilkins, D.E., and P.E. Rasmussen. 1993. Long-term residue management effects on tillage draft. Paper no. 93-1111. Am. Soc. Agric. Engr., St Joseph. MI.

1994

Fauci, M.F., and R.P. Dick. 1994. Plant response to organic amendments and decreasing inorganic nitrogen rates in soils from a long-term experiment. Soil Sci. Soc. Am. J. 58:134-138.

Fauci, M.F., and R.P. Dick. 1994. Soil microbial dynamics: short- and long-term effects of inorganic and organic nitrogen. Soil Sci. Soc. Am. J. 58:801-806.

Pikul, J.L. Jr., and J.F. Zuzel. 1994. Soil crusting and water infiltration affected by long-term tillage and residue management. Soil Sci. Soc. Am. J. 58:1524-1530.

Parton, W.J., and P.E. Rasmussen. 1994. Long-term effects of residue management in wheat/fallow: II. Century model simulations. Soil Sci. Soc. Am. J. 58:530-536.

Rasmussen, P.E. 1994. Nitrogen placement and stubble burning effects on downy brome competition in winter wheat. p. 349. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Rasmussen, P.E. and W.J. Parton. 1994. Long-term effects of residue management in wheat/fallow. I. Inputs, yield, and soil organic matter. Soil Sci. Soc. Am. J. 58:523-530.

Rasmussen, P.E., and R.W. Smiley. 1994. Long-term experiments at the Pendleton Agricultural Research Center. pp. 14-20. In: Spec. Rept. 933. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis.

Rickman, R.W., D. Bae, C.L. Douglas, Jr., P.E. Rasmussen, and R.E. Ramig. 1994. Soil water content response to overwinter tillage for 20 years of a wheat-pea rotation. p. 353. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Smiley, R.W., H.P. Collins, P.E. Rasmussen, W. Uddin, K.E.L. Rhinhart, and R.H. Goller. 1994. Wheat diseases and yield in long-term agronomic experiments at the Columbia Basin Agricultural Research Center (Pendleton). pp. 21-30. In Spec. Rept. 933. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis.

1995

Albrecht, S.L., and P.E. Rasmussen. 1995. Soil quality and soil organic matter. pp 101-104. In Spec. Rept. 946. Oregon Agric. Expt. Stn. & USDA-ARS, Corvallis, OR.

Albrecht, S.L., and P.E. Rasmussen. 1995. Microbial respiration and nitrate immobilization in soils following additions of wheat straw or burned wheat residue. pp 229. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Albrecht, S.L., P.E. Rasmussen, K.W. Skirvin, and R.H. Goller. 1995. Is burning an effective management practice for the Pacific Northwest cereal region? pp 105-109. In Spec. Rept. 946. Oregon Agric. Expt. Stn. & USDA-ARS, Corvallis, OR.

Ball, D.A., R.W. Smiley, and P.E. Rasmussen. 1995. Experiments in wheat/fallow agroecosystems and implications for pest management. No. 444. In Abstracts XIII Intl. Plant Protect. Congr. European J. Plant Pathol.

Dick, R.P. and R.A. Christ. 1995. Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen. Soil Sci. 159:402-408.

Duff, B., P.E. Rasmussen, and R.W. Smiley. 1995. Wheat/fallow systems in the semi-arid regions of Pacific NW America. pp. 85-111. In V. Barnett et al. (ed.) Agricultural Sustainability: Economic, Environmental and Statistical Considerations. J. Wiley & Sons, Chichester.

Pumphrey, F.V., and P.E. Rasmussen. 1995. The Pendleton agricultural research center, 1967-1992. Spec. Rept. 950. Oregon State Univ. Agric. Expt. Stn & USDA-ARS. Corvallis, OR. 38 pp.

Rasmussen, P.E. 1995. Soil carbon and nitrogen changes in semi-arid Pacific Northwest agriculture. pp. 16. Agron Abstr., Am. Soc. Agron., Madison, WI.

Rasmussen, P.E. 1995. Effects of fertilizer and stubble burning on downy brome competition in winter wheat. Commun. Soil Sci. Plant Anal. 26:951-960.

Rasmussen, P.E., and R.W. Smiley. 1995. Long-term trends in cereal yields at Pendleton. pp. 42-45. In Spec. Rept. 946. Oregon Agric. Expt. Stn. & USDA-ARS, Corvallis.

Rasmussen, P.E., and R.P. Dick. 1995. Long-term management effects on soil characteristics and productivity. pp. 79-86. In T.A. Tindall (ed.) Proc. Western Nutrient Management Conf., Vol 1. Potash & Phosphate Inst., Manhattan, KS.

Rasmussen, P.E., R.W. Smiley, C.B. Reeder, and B Duff. 1995. Sustainability of cereal-based systems in semi-arid regions. pp. 50-54. In Proc. Natl. Agric. Ecosystem Mgmt. Conf., New Orleans, LA. Conserv. Technol. Info. Ctr., West Lafayette, IN.

Rasmussen, P.E., B. Duff, and R.W. Smiley. 1995. Sustainability of agriculture in semi-arid regions of the Pacific Northwest United States. pp. 183-185. In D.A. Wilhite, D.A. Wood, and K.H. Smith (ed.) Proc. Planning for a Sustainable Future: The Case of the North American Great Plains. Intl. Drought Info. Ctr., Univ. of Nebraska-Lincoln.

Reicosky, D.C, W.D. Kemper, G.W. Langdale, C.L. Douglas, Jr., and P.E. Rasmussen. 1995. Soil organic matter changes resulting from tillage and biomass production. J. Soil Water Conserv. 50:253-261.

1996

Albrecht, S.L., C.L. Douglas, Jr., and P.E. Rasmussen. 1996. Effect of increasing soil pH on microbial activity. p. 218. Agron Abstr., Am. Soc. Agron., Madison, WI.

Ball, D.A., D.L. Walenta, and P.E. Rasmussen. 1996. Impact of nitrogen fertilization and stubble burning on the downy brome seedbank in a wheat-fallow rotation. p. 45-47. In Spec. Rept. 961. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis.

Rasmussen, P.E. 1996. Fertility management in dryland conservation cropping systems of the Pacific Northwest. Am. J. Altern. Agric. 11:108-114.

Rasmussen, P.E. 1996. Burning and nitrogen effects on soil bulk density and organic-carbon in no-till wheat. p. 291. Agron. Abstr., Am. Soc. Agron., Madison, WI.

Rasmussen, P.E., and S.L. Albrecht. 1996. Effect of annual burn-notill wheat on soil organic matter content and bulk density. p. 82-84. In Spec. Rept. 961. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis.

Rasmussen, P.E., R.W. Smiley, and S.L. Albrecht. 1996. Long-term residue management experiment: Pendleton, Oregon USA. pp. 391-396. In D.S. Powlson, P. Smith, and J.U. Smith (ed). Evaluation of Soil Organic Matter Models Using Existing Long-term Datasets. NATO ASI Series I: Global Environ. Change, Vol. 38. Springer-Verlag, Heidelberg.

Smiley, R.W., H.P. Collins, and P.E. Rasmussen. 1996. Diseases of wheat in long-term agronomic experiments at Pendleton, Oregon. Plant Disease 80:813-820.

1997

Albrecht, S.L., H.L.M. Baune, P.E. Rasmussen, and C.L. Douglas, Jr. Light fraction soil organic matter in long-term agroecosystems. pp 38-42. In Spec. Rept. 977. Oregon State Univ. Agric. Expt. Stn. & USDA-ARS, Corvallis.

Payne, William A., Paul E. Rasmussen, and Roger Goller. Major factors influencing wheat yield improvement during the past thirty years. pp. 43-46. In Spec. Rept. 997. Oregon State Univ. Agric Expt. Stn. & USDA-ARS, Corvallis.

Rasmussen, P.E. and S.L. Albrecht. Crop management effects on organic carbon in semi-arid Pacific Northwest soils. In R. Lal, J.M. Kimble, R.F. Follett, and B.A. Stewart (ed) Management and Policy Issues for Carbon Sequestration in Soil. CRC Press LLC. (submitted Sep 1996; publication date Aug 1997)

Rasmussen, P.E., and R.W. Smiley. 1997. Soil carbon and nitrogen change in long-term agricultural experiments at Pendleton, Oregon. pp. 353-360. In E.A. Paul, K. Paustian, E. T. Elliott, and C.V. Cole (ed.) Soil Organic Matter in Temperate Agroecosystems: Long-Term Experiments in North America. CRC Press Inc.

Rasmussen, P.E., S.L. Albrecht, and R.W. Smiley. Soil carbon and nitrogen changes in semi-arid Pacific Northwest agriculture. In K. Paustian, E.T. Elliott, and M. Carter (ed.) Regional Assessment of Soil C Sequestration using Long-Term Field Experiments. Special Issue, Soil Tillage Res. (submitted Nov 1996).

Rasmussen, P.E., R.W. Rickman, and E.L. Klepper. Residue and fertility effects on yield of no-till wheat. Agron. J. 89:563-567.

1998

Rasmussen, P.E., and S.L. Albrecht. 1997. Crop management effects on organic carbon in semi-arid Pacific Northwest soils. p. 209-219. In R. Lal, J.M. Kimble, R.F. Follett, and B.A. Stewart (ed.) Management of carbon sequestration in soil. CRC Press.

Rasmussen, P.E., C.L. Douglas, Jr., H.P. Collins, and S.A. Albrecht. 1998. Long-term cropping systems effects on mineralizable nitrogen in soil. Soil Biol. & Biochem. 30:1829-1839.

Rasmussen, P.E., R.W. Rickman, and E.L. Klepper. 1997. Residue and fertility effects on yield of no-till wheat. Agron. J. 89:563-567.

Rasmussen, P.E., R.W. Smiley, and S.L. Albrecht. 1996. Pendleton residue management. p133-135. In P. Smith, J.U. Smith, and D.S. Powlson (ed.) Soil Organic Matter Network (SOMNET): 1996 model and experimental metadata. GCTE Rept. #.7. GCTE Focus 3 Office, Wallingford, UK.

Rasmussen, P.E., R.W. Smiley, and C.L. Douglas, Jr. 1997. Nitrogen utilization in long-term agricultural experiments at Pendleton, Oregon. Append. 3:3. In Agronomy Abstract, ASA Madison, WI.

Rasmussen, P.E., R.W. Smiley, and C.L. Douglas, Jr. 1997. Nitrogen utilization in long-term agricultural experiments at Pendleton, Oregon. p.61. Proc. Pacific Div. Am. Assoc. Adv. Sci. Vol. 16, Part.1. Oregon State Univ., Corvallis, OR.

1999

Ball, D.A., D.L. Walenta, and P.E. Rasmussen. 1998. Impact of nitrogen fertilization and stubble burning on the downy brome seedbank in a winter wheat-fallow rotation. J. Prod. Agric. 11:342-344.

Chen, C., W. A. Payne, and J.D. Williams. 1998. Comparison of two field methods for measuring unsaturated soil hydraulic conductivity in eastern Oregon. p.283. In Agronomy Abstract, American Society of Agronomy, 90th Annual Meeting, Baltimore, MD. ASA, Madison, WI.

Douglas, C.L., Jr., J.D. Williams, and D.E. Wilkins. 1998. Nutrients in runoff from frozen soils in the dryland areas of the Pacific Northwest. p. 466-471. In O. van Cleemput, S. Haneklaus, G. Hofman, E. Schnug, and A. Vermoesen (ed.) Fertilization for sustainable plant production and soil fertility. Vol. II. Proc. of the 11th International World Fertilizer Congress. September 1997, Gent, Belgium. Federal Agricultural Research Center, Braunechewig, Germany.

Douglas, C.L., Jr. J.D. Williams, and D.E. Wilkins. 1998. Nutrients in runoff from frozen soils in the dryland areas of the Pacific Northwest. J. Soil and Water Conserv. Abstr. 53(2):176.

Payne, W.A. 1998. Hydraulic conductivity functions derived from soil water content data of a long-term experiment. p. 31-40. In J.D. Williams (ed.) 1998 Columbia Basin Agricultural Research Annual Report. Spec. Rpt. 989. Agric. Exp. Stn., Oregon State Univ. and USDA-ARS, Pendleton, OR.

Payne, W.A., P.E. Rasmussen, and S.L. Albrecht. 1998. Historical transition of the wheat/summer fallow systems of the inland Pacific Northwest. p.50. In Agronomy Abstracts. ASA, Madison, WI.

Rasmussen, P.E., S.L. Albrecht, and R.W. Smiley. 1998. Soil carbon and nitrogen changes under tillage and cropping systems in semi-arid Pacific Northwest agriculture. In K. Paustian, E.T. Elliott, and M.R. Carter (ed.) Tillage and crop management impacts on soil carbon storage. Soil Tillage Res. 47:197-205.

Rasmussen, P.E., C.L. Douglas, Jr. H.P. Collins, and S.L. Albrecht. 1998. Long-term cropping system effects on mineralizable nitrogen in soil. Soil Biol. Biochem. 30:1829-1837.

Rasmussen, P.E., and C.L. Douglas, Jr. 1998. Fertility and tillage effects on water-use efficiency of cereals. p.272. In Agronomy Abstracts. ASA, Madison, WI.

Rasmussen, P.E., K.W.T. Goulding, J.R. Brown, P.R. Grace, H.H. Janzen, and M. Korschens. 1998. Long-term agroecosystem experiments: Assessing agricultural sustainability and global change. Science 282:893-896.

Rasmussen, P.E., W. A. Payne, and R.H. Goller. 1998. Thirty-year rainfall trends and implications for crop yield in the Columbia Plateau. p. 35-40. In J.D. Williams (ed.) 1998 Columbia Basin Agricultural Research Annual Report. Spec. Rpt. 989. Agric. Exp. Stn., Oregon State Univ. and USDA-ARS, Pendleton, OR.

Rasmussen, P.E., W.A. Payne, and R.H. Goller. 1998. Thirty-year rainfall trends, implications for crop yield in the Columbia Plateau. Wheat Life (Aug/Sep):68-69. Washington Assoc. of Wheat Growers, Ritzville, WA.

Wilkins, D.E., P.E. Rasmussen, S.L. Albrecht, and W.A. Payne. 1998. Sustainable tillage and cropping systems for the Clumbia Plateau. p. 75-83. In Proc. of the Workshop on Sustainable Tillage Systems. Auburn, AL, July 8-10, 1998.

Williams J.D., C.L. Douglas, W.A. Payne, and P.E. Rasmussen. 1998. Surface runoff from semiarid croplands; preliminary hydrologic evaluation of sixty-eight year ongoing soil crop management research. Abstract Booklet, American Water Resources 34th Annual Conference on Water Resources. American Water Resources Association, Herndon, VA.

Wuest, S.B., P.E. Rasmussen, C.L. Douglas, Jr., R.W. Rickman, S.L. Albrecht, D.E. Wilkins, and R.W. Smiley. 1999. Documenting soil quality changes in the transition to no-till: 16 years no-till versus first year no-till and conventional tillage near Pendleton, Oregon. p. 74-76. In R.J. Veseth (ed.) Proc. Northwest Direct Seed Cropping Systems Conference and Trade Show. Spokane WA. 5-7 Jan.1999. Pacific Northwest STEEP III Conservation Farming Research and Education Program, University of Idaho, Moscow ID.

2000

Albrecht, S.L., C.L. Douglas, Jr., and R.W. Rickman. 1999. Carbon sequestration by agricultural soils. Oregon Agric. Exp. Sta. Spec. Rep. 999:15-18.

Albrecht, S. L., P.E. Rasmussen, C. L. Douglas, Jr., R.W. Rickman, S. B. Wuest, D.E. Wilkins, W.A. Payne, and R. W. Smiley. 1999. Soil carbon in long-term Pacific Northwest agroecosystems. P. 238. Agronomy Abstracts. ASA, Madison WI.

Bezdicek, D. F., M.F. Fauci, S.L. Albrecht, and K.W. Skirvin. 1999. Tillage effects on soil carbon in Pacific Northwest dryland cereal production. P.230. Agronomy Abstracts. ASA, Madison, WI.

Payne, W.A., P.E. Rasmussen, C. Chen, and R.Goller. 1999. Tillage and rainfall effects upon productivity of a winter wheat-dry pea rotation. Oregon Agric. Exp. Sta. Spec. Rep. 999:39-44.

Payne, W.A., P.E. Rasmussen, C. Chen, R. Goller, and R.E. Ramig. 1999. Effects of rainfall, temperature, and tillage on productivity of a wheat/pea rotation. p. 16. 1999 Agronomy Abstracts, ASA, Madison, WI.

Payne, W.A., P.E. Rasmussen, C. Chen, R. Goller, and R.E. Ramig. 2000. Precipitation, temperature and tillage effects upon productivity of a winter wheat-dry pea rotation. Agron. J. 92:933-937.

Rickman, R.W., C.L. Douglas, Jr., and S.L. Albrecht. 1999. Modeling carbon sequestration in agricultural soils. p.283. Agronomy Abstracts. ASA, Madison, WI.

Wilkins, D., M. Siemens, and S.L. Albrecht. 1999. Changes in soil physical characteristics during transition from intensive tillage to direct seeding. Amer. Soc. Agric. Engr. Paper No.99-1060. St. Joseph, MI.

Williams, J.D., and C. L. Douglas, Jr. 1999. Evaluation of long term crop systems on hydrology and soil erosion; preliminary results from a second year of monitoring. Presented at the American Water Resource Associations 1999 Annual Water Resources Conferences, Nov. 5-10, 1999. Seattle, WA.

Williams, J.D., C. Chen, C. L. Douglas, Jr., R.W. Rickman, and W.A. Payne. 1999. Instrumentation of the long-term crop residue plots for hydrologic and soil erosion evaluation. Oregon Agric. Exp. Sta. Spec. Rep. 999:74-80.

Wuest, S. B., and S.L. Albrecht. 1999. Earthworm populations under six semi-arid cropping systems. p.60. Agronomy Abstracts. ASA, Madison, WI.

Wuest, S., P. Rasmussen, C. Douglas, Jr., R. Rickman, S. Albrecht, and D. Wilkins. 1999. Going from a conventional to a direct seed cropping system? What happens in the soil? Oregon Wheat Growers League Annual Meeting. Nov.18, 1999. Portland, OR.

2004

Posters from American Society of Agronomy Meeting in Seattle November 2004. S. Machado, S. E. Petrie, and K.E. Rhinhart, Oregon State University.

Agricultural and Economic Comparison of Annual-Cropped Conventional Tillage and No-tillage. I. Winter Wheat

Agricultural and Economic Comparison of Annual-Cropped Conventional Tillage and No-tillage. II. Spring Wheat

Agricultural and Economic Comparison of Annual-Cropped Conventional Tillage and No-tillage. III. Spring Barley

Long-Term Continuous Annual Cropping in the Pacific Northwest (PNW): Tillage and Fertilizer Effects on Grain Yield and Profitability of Winter Wheat, Spring Wheat, and Spring Barley