Browsing Natural and Agricultural Sciences by Issue Date
Now showing items 1-20 of 2173
-
Sentraal-Wes as landboukoöperasie
(North-West University (South Africa), 1956)"No abstract available" -
Die petrologie van die hebridiese gesteentes van Tweefontein 385, distrik Vredefort, O.V.S., en die geologie van die omgewing
(North-West University (South Africa), 1956)"No abstract" -
Contributions to the morphology of Biomphalaria pfeifferi [Krs.] the South African snail vector of intestinal bilharziasis
(North-West University (South Africa), 1958)"Abstract not copied" -
Die verstrooiing van mu-mesone in lood, gemeet met behulp van 'n hodoskoop-opstelling van telbuise
(Potchefstroom University for Christian Higher Education, 1958)Äbstract not copied" -
A survey of the prostigmatic mites (Acarina, Trombidiformes, Prostigmata) associated with plants in South Africa, with descriptions of a new genus and new species
(North-West University (South Africa), 1959)"Abstract not copied" -
A revision of the subfamily Rhodacarinae [Acarina : Mesostigmata] with descriptions of new genera and species
(North-West University (South Africa), 1960)"Abstract not copied" -
Prestasiestandaarde in swem vir seuns en dogters van 14-17 jaar op die middelbare skool
(North-West University (South Africa), 1963)"Abstract not copied" -
Katioonuitruiling tussen mieliewortels en kleisuspensies
(North-West University (South Africa), 1963)"Abstract not copied" -
Mesostigmatic mites associated with Coleoptera in the Pietersburg area
(North-West University (South Africa), 1965)"Abstract not copied" -
The pyroclastic and associated igneous rocks of the Lebombo mountain range south of the great Usutu river, Zululand
(North-West University (South Africa), 1965)"Abstract not copied" -
A quantitative-ecological study of the seasonal fluctuations in the soil mesofauna associated with kikuyu grass
(North-West University (South Africa), 1965)"No abstract" -
A biochemical estimation of efficient energy expenditure during the performance or arduous manual efforts
(North-West University (South Africa), 1965)"Abstract not copied" -
Die vertikale verspreiding van die grondmesofauna in 'n wisselboustelsel
(North-West University (South Africa), 1965)"Abstract not copied" -
'n Stratigrafiese ondersoek van die grondmesofauna in suikerrietplantasies en onverstoorde grond in Zoeloeland
(North-West University (South Africa), 1966)On the farm Waterloo E state, Mtunzini district, Zululand, a large portion of the original natural forest was cut and the deforested areas were subsequently cultivated. The present investigation was carried out on two ... -
'n Vergelykende studie van die voedingsgewoontes van sekere varswatervisse in Barberspan, Wes-Transvaal
(North-West University (South Africa), 1966)"No abstract" -
An ecological study of the coliform group, with special reference to the status of Escherichia coli I as an indicator organism of faecal pollution of water
(North-West University (South Africa), 1966)"Abstract not copied" -
'n Vergelykende studie van temperatuur as 'n ekologiese faktor by die varswaterslakspesies Lymnaea natalensis Krauss en Bulinus [Bulinus] tropicus [Krauss] Mollusca basommatophora
(North-West University (South Africa), 1966)"Abstract not copied" -
Further contributions to the study of Bulinus tropicsu [Krauss]
(North-West University (South Africa), 1966)"Abstract not copied" -
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 ... -
Die samestelling en verspreiding van die Rhodacaridae [Acari] in die Etiopiese wyk
(North-West University (South Africa), 1967)"No abstract"
