Contributors

This article was compiled by M.A. Bell with input from J.F. Rickman, A. Ismail, G. Gregorio, J. Bennett, J. Lapitan, M. Gummert, S. Pandey, and A. Fagi. An article by Dr. Fahmuddin Agus Head of the Soil Research Institute, Bogor, Indonesia, provided some further ideas.

B. Hardy and A. Barclay provided editing support.

E.J. Azucena converted the file to the Robohelp™.