By H. Smith, Donald Grierson
By T.T. Kozlowski
By Autar K. Mattoo (USDA/ARS/SASL, Beltsville, Maryland, USA), Jeffrey C. Suttle
By J. Monteith, Colin Webb
By Rory Hillocks (Natural Resources Institute, University of Greenwich, UK), J Thresh (Natural Resources Institute, Anthony Bellotti (Centro Internacional de Agricultura Tropical (CIAT), Cali, Colombia)
By M. R. Ahuja
By M.R. Ahuja
By Dix, Philip J.
By M.K. van Ittersum (c/o Wageningen Agricultural University, Department of Theoretical Production Ecology, Wageningen, The Netherlands), S.C. van de Geijn (c/o Research Institute for Agrobiology and Soil Fertility (AB-DLO)
By Arie H. Bartal, Yashar Hirshaut
By Paul Paul, Quentin Allen
By R C Foster, A D Rovira, T W Cock, R J Cook
By J. Grace
By N. D. G. James (Oxford University)
By Lunardi, Costanza
By Bohumil Slavik
By Jan C. Zadoks, Richard D. Schein
By Richard N. Strange
By J. Friend, D.R. Threlfall
By J. W. Bennett, Linda L. Lasure, Bennett, Lasure.
By R.S. Fraser
By Graham Russell (University of Edinburgh), Bruce Marshall (Scottish Crop Research Institute, Dundee), Paul G. Jarvis (University of Edinburgh)
By P.H. Li, A. Sakai
By Neil C. Turner, Paul J. Kramer
By A. Hadidi, R.K. Khetarpal, H. Koganezawa
By Michael S. Philip (formerly University of Aberdeen, UK)
By B. Gessel
By Carol J.P. Colfer