2007-07-192007-07-192002-032007-07-19http://hdl.handle.net/2263/3075Text of inaugural address by Prof. Charlie Reinhardt, Department of Plant Production and Soil Science, March 2002.7624677 bytesapplication/pdfenUniversity of PretoriaCrop productionPartheniumAllelopathyHerbicidesWeeds -- ControlTechnological advances and constraints in weed controlPresentation