Van Rensburg, W. L. J.Vorster, L. F.Venter, Izak Stephanus2016-01-132016-01-131991-111990-111991-11http://hdl.handle.net/11660/2180No abstract available.afPastures -- South Africa -- Northern CapeDissertation (M.Sc.Agric. (Animal, Wildlife and Grassland Sciences))--University of the Free State, 1991DissertationUniversity of the Free State