April 2002
Up one levelAddendum 1: The restoration of bare patches in the Karoo: an evaluation of various techniques.
N. Visser, J.C. Botha & B. Witbooi
Addendum 2: The evaluation of lucerne cultivars under grazing
G.W.D.R. Conradie , Dr. M. Hardy, T. Oberholzer and W. Langenhoven
Iphakade: Climate Changes and African Earth Systems – past, present and future