IntroductionStrategies to Overcome Impediments to Adoption of Conservation Tillage, M.R. CarterHumid Micro-Thermal ClimatesTrends in Reduced Tillage Research and Practice in Scandinavia, H. Riley, T. Børresen, E. Ekeberg, and T. RydbergTillage Requirements for Annual Crop Production in Eastern Canada, T.J. Vyn, K. Janovicek, and M.R. CarterConservation Tillage in the Corn Belt of the U.S.A., R. Lal, T.J. Logan, M.J. Shipitalo, D.J. Eckert, and W.A. DickHumid Micro-Thermal to Humid Meso-Thermal ClimatesReduced Cultivation and Direct Drilling for Cereals in Great Britain, D.G. Christian and B.C. BallApproaches Toward Conservation Tillage in Germany, W. Ehlers and W. ClaupeinFeasibility of Minimum Tillage Practices for Annual Cropping Systems in France, J. Massé, D. Boisgontier, J.M. Bodet, and J.P. GilletHumid Meso-Thermal ClimatesOvercoming Constraints to Conservation Tillage in New Zealand, M.A. Choudhary and C.J. BakerRole of Conservation Tillage in Sustainable Agriculture in the Southern U.S.A., D.D. Tyler, M.G. Wagger, D.V. McCracken, and W.L. HargroveConservation Tillage in the South-Eastern Australian Wheat-Sheep Belt, G.R. Steed, A. Ellington, and J.E. PratleyMainly Sub-Humid to Semi-Arid Continental ClimatesConservation Tillage Systems in the Northernmost Central U.S.A., R.R. Allmaras, J.F. Power, D.L. Tanaka, and S.M. CopelandConstraints on Conservation Tillage under Dryland and Irrigated Agriculture in the U.S.A. Pacific Northwest, R.E. Sojka and D.L. CarterTillage Systems for Soil and Water Conservation on the Canadian Prairie, F.J. Larney, C.W. Lindwall, R.C. Izaurralde, and A.P. MoulinConservation Tillage in the Southern U.S.A. Great Plains, P.W. Unger and E.L. SkidmoreConservation Tillage in Eastern Europe, A. ButoracIndex