Browsing Natural and Agricultural Sciences by Issue Date

A study of the south african species of Andropogon Linn. With special reference to leaf anatomy

Louw, w.J. (North-West University (South Africa), 1943)

"Abstract not copied"

'n Fisiologiese-ekologiese studie van die lewensgeskiedenis van Themeda triandra Forsk. en Aristida congesta Roem et Schult

Pienaar, Charles Johannes (North-West University (South Africa), 1945)

"No abstract"

Die invloed van avitaminose A op die histologiese struktuur van die endokriene-kliere by jong albino-rotte, met spesiale verwysing na die thymus

Pieterse, Petrus Johannes Steenkamp (North-West University (South Africa), 1951)

"No abstract"

Mesostigmatic Acarina associated with some South African Coleoptera

Meyer, Magdalena Kathrina Petronella Smith (North-West University (South Africa), 1953)

In this paper descriptions are given of several species of the following genera and sub-genera which o.re associated with some insect hosts in Western Transvaal.

'n Geografiese ondersoek na die landboukleinhoewes in die gebied Randfontein-Welverdiend

Heyns (North-West University (South Africa), 1954)

"No abstract"

Sentraal-Wes as landboukoöperasie

Bos, Cornelis Jan (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

Brink, Wouter Cornelius Justinus (North-West University (South Africa), 1956)

"No abstract"

Invloed van uitruilbare ione in harpuisstowwe op die ontkieming en groei van mielies

Grobler, Jan Hendrik (North-West University (South Africa), 1956)

Sintetiese harpuisuitruilers is gebruik om die invloed van die ses vernaamste voedingsione, kalsium, magnesium, kalium, waterstof, fosfaat en nitraat, op die ontkieming van mielies na te gaan, Die invloed van die ...

Die natuurlike estrogeenaktiwiteit in voedsel en die residuele aktiwiteit in weefsels van stilboëstrol-behandelde beeste

Pretorius, Petrus Jacobus (North-West University (South Africa), 1957)

'n Biologiese bepalingsmetode waar gebruik gemaak word van die toename in uterusgewig van geovariotomeerde muise is gebruilr om die estrogeenaktiwiteit van verskeie dier- en plantweefsels te bereken in terme van die ...

Contributions to the morphology of Biomphalaria pfeifferi [Krs.] the South African snail vector of intestinal bilharziasis

Schutte, Christoffel Hercules Jacobus (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

De Villiers, Johannes Albertus Michiel (Potchefstroom University for Christian Higher Education, 1958)

Äbstract not copied"

Die voorkoms, verspreiding en vorming van sianogenetiese glukosiede by 'n aantal sorghum-soorte

Visser, Johannes Hendrik (North-West University (South Africa), 1958)

The occurrence of cyanogenetic glucosides is of considerable economical importance because they render plants poisonous, and animals consuming this material may _be poisoned. Methods for the utilization of these plants ...

A survey of the prostigmatic mites (Acarina, Trombidiformes, Prostigmata) associated with plants in South Africa, with descriptions of a new genus and new species

Meyer, Magdalena Kathrina Petronella Smith (North-West University (South Africa), 1959)

"Abstract not copied"

Chlorose by mielies met spesiale verwysing na die voorkoms daarvan in die Hoëveldstreek

Makkink, Andrew Eugene (North-West University (South Africa), 1959)

"No abstract"

'n Sistematies-ekologiese studie van die plantegroei van die plaas Koedoesfontein no. 746 en omgewing in die Rustenburgse distrik

Van Wyk, Jacobus Johannes Pienaar (North-West University (South Africa), 1959)

"Abstract not copied"

'n Mikrobiologiese studie van die saadklewende mikroörganismes van Striga lutea [Lour.] met die oog op die moontlike aseptiese kultivering van hierdie angiospermiese parasiet

Eicker, A. (North-West University (South Africa), 1960)

"Abstract not copied"