Dr J.W. Groenewald : Onderstepoort staff

Abstract

Mr. J. W. Groenewald, dairy officer and Onderstepoort staff member at the Division of Veterinary Services and Animal Industry from 1931-1957. He wrote numerous articles on animal nutrition. His research was about the 'low' phosphorus content of South African soils and the methods by which this condition may be remedied, to the benefit of the live stock industry.