The workshop participants and their affiliations in alphabetical order follow: AGRIDEC, Guatemala AGRIDEC, USA CATIE, Costa Rica Central Bank of Ceylon, Sri Lanka CONACYT, Ecuador ICTA, Guatemala IDRC(CIID), Colombia IICA, Peru IICA, Costa Rica INTA, Argentina Lynne Rienner Publishers, USA North Carolina State University, USA OICD/USDA, USA University of Florida, USA Ramiro Ortiz Federico Poey Julio Henao M. Raul Moreno Luis Navarro Anila Wijesinha Franklin Arboleda Juan M. Herrera Nicolas Mateo Antonio M. Pinchinat Rufo Bazan Victor Quiroga Jorge Soria Karel Vohnout Quentin M. West Guillermo Joandet Lynne Rienner Larry A. Nelson Donald Ferguson Peter E. Hildebrand Robert K. Waugh Others who reviewed a final draft and made useful suggestions were Louise Fresco, Wageningen Agricultural University, The Netherlands; Tom Stillwell, Michigan State University; and Steve Kearl, Ken McDermott, Chris Andrew, and others of the Farming Systems Support Project at the University of Florida. We gratefully acknowledge their contributions. The authors, of course, accept all responsibility for any errors of omission or commission that may still exist, as well as for the final content of the book. Peter E. Hildebrand Federico Poey Gainesville, Florida October 1984 current