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A taxonomical–ecological investigation of the soil mesofauna in the rhizosphere of citrus trees at Zebediela Estates
(Potchefstroom University for Christian Higher Education, 1968)
The purpose of this investigation was to assess the taxanomic - ecologic nature of Zebediela's citrus sol, situated in the eastern part of the Potgietersrus district, Northern Transvaal . Habitat descriptions are given, ...
Bacteriocinogeny in Proteus vulgaris
(University of Pretoria, 1967)
One hundred and eighteen different strains of Proteus vulgaris were investigated for bacteriocinogeny. These P. vulgaris strains were also used a s indicators. Seventy of the 118 strains produced zones of inhibition when ...