Soil Management

Managing Soils for Enhancing and Sustaining Agricultural Production, R. Lal and B.A. StewartHumid TropicsSynthesis of Long-Term Soil Management Research on Ultisols and Oxisols in the Amazon, T.J. Smyth and D.K. CasselThe Role of Forage Grasses and Legumes in Maintaining the Productivity of Acid Soils in Latin America, R.J. Thomas, M.J. Fisher, M.A. Ayarza, and J.I. SanzSoil Alterations in Perennial Pasture and Agroforestry Systems in the Brazilian Amazon, E.A. Serr£o, L.B. Teixeira, R.F. de Oliveria, and J.B. BastosExtrapolating Results of Long-Term Experiments, G. Uehara, G.Y. Tsuji, and F.H. BeinrothTechnological Options for Sustainable Management of Alfisols and Ultisols in Nigeria, R. LalLong-Term Fertilizer and Crop Residue Effects on Soil and Crop Yields in the Savanna Region of C´te d'Ivoire, S. Traor© and P.J. HarrisYield Decline and the Nitrogen Economy of Long-Term Experiments on Continuous, Irrigated Rice Systems in the Tropics, K.G. Cassman, S.K. De Datta, D.C. Olk, J. Alcantara, M. Samson, J. Descalsota, and M. DizonSub-Humid and Semiarid TropicsLong-Term Soil Management Experiments in Semiarid Francophone Africa, C. PieriLong-Term Experiments on Alfisols and Vertisols in the Semiarid Tropics, K.B. Laryea, M.M. Anders, and P. PathakImproved Crop-Livestock Production Strategies for Sustainable Soil Management in Tropical Africa, I. Haque, J.M. Powell, and S.K. EhuiLong-Term Soil Fertility Management Experiments in Eastern Africa, B.R. Singh and H.C. GomaTemperate and Mediterranean ClimateThe Effects of Long Continuous Applications of Inorganic Nitrogen Fertilizer on Soil Organic Matter-A Review, M.J. Glendining and D.S. PowlsonLong-Term Trials on Soil and Crop Management at ICARDA, H.C. HarrisSynthesis and Future PrioritiesAn Integrated Approach to Soil Management Experiments, E. Pushparajah and H. EswaranNeed for Long-Term Soil Management Research in Africa, C.S. OforiThe T