Soil& Tillage Research, 22 (1992) 395-397 Elsevier Science Publishers B.V., Amsterdam Author Index Abou-Zeid, S.T., see Helalia, A.M. et al. Ambassa-Kiki, R. (Yaounde, Cameroon) and Lal, R. (Columbus, OH, USA) Surface clod size distribution as a factor influencing soil erosion under simulated rain .. 311 Angers, D.A., see Lafond, J. et al. Barber, R.G. and Diaz, O. (Santa Cruz, Bolivia) Effects of deep tillage and fertilization on soya yields in a compacted Ustochrept during seven cropping seasons, Santa Cruz, Bolivia Bhalla, M.K., see Malhi, S.S. et al. Braim, M.A., Chaney, K. and Hodgson, D.R. (Leeds, UK) Effects of simplified cultivation on the growth and yield of spring barley on a sandy loam soil. 1. Shoot growth and grain yield; response to nitrogen Effects of simplified cultivation on the growth and yield of spring barley on a sandy loam soil 2. Soil physical properties and root growth; root: shoot relationships, inflow rates of nitrogen; water use Brown, H.J. (Burlington, VT, USA), Cruse, R.M., Erbach, D.C. and Melvin, S.W. (Ames, IA, USA) Tractive device effects on soil physical properties Butler, D.G., see Radford, B.J. et al. Caldwell, C.D., see Malhi, S.S. et al. Carter, M.R., see Malhi, S.S. et al. Chan, K.Y., see Mead, J.A. et al. Chaney, K., see Braim, M.A. et al. Chang, C. and Lindwall, C.W. (Lethbridge, Alta., Canada) Effects of tillage and crop rotation on physical properties of a loam soil Clapp, C.E., see Clay, D.E. et al. Clark, S.J., see Oni, K.C. et al. Clay, D.E. (Brookings, SD, USA), Clapp, C.E., Linden, D.R. and Molina, J.A.E. (St. Paul, MN, USA) Tillage influence on redox potentials following rainfall Cruse, R.M., see Brown, H.J. et al. Dawelbeit, M.I. and Hamada, A.A. (El Fau, Sudan) Effects of variation in tillage on weeds and groundnut establishment and yield in Rahad Project, Sudan Dexter, A.R., see Grant, C.D. et al. Diaz, O., see Barber, R.G. and Diaz, O. Ekwue, E.I. (Cranfield, UK) Effect of organic and fertiliser treatments on soil physical properties and erodibility El-Amir, S., see Helalia, A.M. et al. Erbach, D.C., see Brown, H.J. et al. Ghuman, B.S. (Ibadan, Nigeria) and Lal, R. (Columbus, OH, USA) Effects of soil wetness at the time of land clearing on physical properties and crop response on an Ultisol in southern Nigeria 396 Gibson, G., see Radford, B.J. et al. Grant, C.D., Dexter, A.R. and Oades, J.M. (Glen Osmond, SA, Australia) Residual effects of additions of calcium compounds on soil structure and strength Gupta, C.P. (Bangkok, Thailand ) and Maheshwari, R.C. (Bhopal, India) Stress distribution over a triangular tillage tool Hamada, A.A., see Dawelbeit, M.I. and Hamada, A.A. Helalia, A.M., El-Amir, S., Abou-Zeid, S.T. and Zaghloul, K.F. (Giza, Egypt) Bio-reclamation of saline-sodic soil by Amshot grass in Northern Egypt Hodgson, D.R., see Braim, M.A. et al. Horne, D.J., Hughes, K.A. (Palmerston North, New Zealand ) and Ross, C.W. (Lower Hutt, New Zealand) Ten years of a maize/oats rotation under three tillage systems on a silt loam in New Zealand. 1. A comparison of some soil properties Horne, D.J., see Hughes, K.A. et al. Hughes, K.A., see Horne, D.J. et al. Hughes, K.A., Horne, D.J., Julian, J.F. (Palmerston North, New Zealand) and Ross, C.W. (Lower Hutt, New Zealand ) A 10-year maize/oats rotation under three tillage systems. 2. Plant population, root distribution and forage yields Johnson, W.H., see Oni, K.C. et al. Julian, J.F., see Hughes, K.A. et al. Koppi, A.J., see Wild, M.R. et al. Kouwenhoven, J.K. and Terpstra, R. (Wageningen, Netherlands ) Quality of seedbed and ridges for potatoes as affected by low ground pressure, compared with normal and zero ground pressure Lafond, J., Laverdiére, M.R. and Angers, D.A. (Sainte-Foy, Que., Canada) Compression characteristics of a clay soil as influenced by crops and sampling dates 233 Lal, R., see Ghuman, B.S. and Lal, R. see Ambassa-Kiki, R. and Lal, R. Laverdiére, M.R., see Lafond, J. et al. Linden, D.R., see Clay, D.E. et al. Lindwall, C.W., see Chang, C. and Lindwall, C.W. Maheshwari, R.C., see Gupta, C.P. and Maheshwari, R.C. Malhi, S.S. (Lacombe, Alb., Canada), McAndrew, D.W. (Vegreville, Alb., Canada) and Carter, M.R. (Charlottetown, P.E.I., Canada) Effect of tillage and N fertilization of a Solonetzic soil on barley production and some soil properties Mahhi, S.S., Bhalla, M.K., Piening, L.J. and Caldwell, C.D. (Lacombe, Alta., Canada) Effect of stubble height and tillage on winter soil temperature in central Alberta Matocha, J.E., see Stearman, G.K. and Matocha, J.E. McAndrew, D.W., see Malhi, S.S. et al. McBratney, A.B., see Wild, M.R. et al. McKenzie, D.C., see Wild, M.R. et al. Mead, J.A. (Cowra, N.S.W., Australia), Palmer, A.L. (Trangie, N.S.W., Australia) and Chan, K.Y. (Rydalmere, N.S.W., Australia) Effect of seedbed condition on sowing point performance Melvin, S.W., see Brown, H.J. et al. Molina, J.A.E., see Clay, D.E. et al. Nielsen, R.G.H., see Radford, B.J. et al. Oades, J.M., see Grant, C.D. et al. Oni, K.C. (Ilorin, Nigeria), Clark, S.J. and Johnson, W.H. (Manhattan, KS, USA) The effects of design on the draught of undercutter-sweep tillage tools Orange, D.N., see Radford, B.J. et al. Palmer, A.L., see Mead, J.A. et al. Piening, L.J., see Malhi, S.S. et al. Radford, B.J. (Biloela, Qld., Australia), Gibson, G. (Warwick, Qld., Australia), Nielsen, R.G.H., Butler, D.G., Smith, G.D. (Toowoomba, Qld., Australia) and Orange, D.N. (Indooroopilly, Qld., Australia) Fallowing practices, soil water storage, plant-available soil nitrogen accumulation and wheat performance in South West Queensland Ross, C.W., see Horne, D.J. et al. see Hughes, K.A. et al. Rovira, A.D., see Smettem, K.R.J. et al. Rydberg, T. (Uppsala, Sweden ) Ploughless tillage in Sweden. Results and experiences from 15 years of field trials Simon, A., see Smettem, K.R.J. et al. Smettem, K.R.J., Rovira, A.D., Wace, S.A., Wilson, B.R. and Simon, A. (Glen Osmond, S.A., Australia) Effect of tillage and crop rotation on the surface stability and chemical properties of a red-brown earth (Alfisol) under wheat Smith, G.D., see Radford, B.J. et al. Stearman, G.K. and Matocha, J.E. (Corpus Christi, TX, USA) Soil microbial population and nitrogen-transforming bacteria from | 1-year sorghum tillage plots Terpstra, R., see Kouwenhoven, J.K. and Terpstra, R. Thompson, J.P. (Toowoomba, Qld., Australia) Soil biotic and biochemical factors in a long-term tillage and stubble management experiment on a vertisol. 1. Seedling inhibition by stubble Soil biotic and biochemical factors in a long-term tillage and stubble management experiment on a vertisol. 2. Nitrogen deficiency with zero tillage and stubble retention . 339 Wace, S.A., see Smettem, K.R.J. et al. Wild, M.R., Koppi, A.J., McBratney, A.B. (Sydney, N.S.W., Australia) and McKenzie, D.C. (Rydalmere, N.S.W., Australia ) The effect of tillage and gypsum application on the macropore structure of an Australian Vertisol used for irrigated cotton Wilson, B.R., see Smettem, K.R.J. et al. Zaghloul, K.F., see Helalia, A.M. et al.