Breen, Charles Mackie.Musil, Charles Frank.2014-09-082014-09-0819821982http://hdl.handle.net/10413/11161Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1982.Abstract available in PDF file.en-ZAWater hyacinth.Eutrophication.Theses--Botany.The use of growth kinetics in the development of a predictive model for the growth of Eichhornia crassipes (Mart.) Solms in the field.Thesis