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Die adsorpsie van atrasien deur verskillende kleiminerale en die invloed daarvan op die mobiliteit van atrasien
(Potchefstroom University for Christian Higher Education, 1993)
Atrazine (2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine)is a pre-emergence herbicide used mainly on maize. The influence of various clay minerals, i.e. illite-vermiculite mixtures, montmorillonite, kaolinite, ...
'n Evaluasie van suurmengsels as fosfaatkunsmis vir sproeibemesting
(North-West University (South Africa), 1992)
The application of nitrogen through irrigation systems also
necessitates the application of other soluble nutrients
through this medium. Acid fertilizers are suitable for the
purpose, but are highly corrosive. Information ...
'n Evaluering van analisetegnieke vir die bepaling van kalkbehoefte van goudmynslikdam-materiaal vir die vestiging van plantegroei
(North-West University (South Africa), 1991)
AN EVALUATION OF ANALYSIS TECHNIQUES FOR THE DETERMINATION
OF LIME REQUIREMENTS OF GOLD MINE SLIMES DAM MATERIAL FOR THE
ESTABLISHMENT OF VEGETATION
Owing to the potential pollution problems inherent to gold mine slimes ...