Browsing by Advisor/Supervisor
Now showing items 1-7 of 7
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Die benutting van Eisenia fetida (oligochaeta) vir die vermikompostering van abattoirafval
(North-West University (South Africa), 1990)The objective of this study was to determine whether the compost worm Eisenia fetida could be utilized in the vermistabilization of organic waste (rumen content of cattle) in a dug out bed system. Basic studies to ... -
Die bevolkingsdinamika van die getalsdominante soöplanktonspesies in Boskopdam, Transvaal
(North-West University (South Africa), 1976)1. Die Cladocera- en Copepodaspesies wat in Boskopdam voorkom is geidentifiseer. Dit is gevind dat D. puZex en D. Zongi spina die getalsdominante spesies in die dam is. 2. 'n Submonsterneemmetode is gestandaardiseer en ... -
Die lewensloop en vogbehoeftes van die oriëntaalse komposwurm, Perionyx excavatus (Oligochaeta)
(North-West University (South Africa), 1990)THE LIFE CYCLE AND MOISTURE REQUIREMENTS OF THE ORIENTAL COMPOST WORM, PERIONYX EXCAVATUS (OLIGOCHAETA) The oriental compost worm, Perionyx excavatus, can potentially be implemented as a waste decomposer and a protein ... -
Malaria vector control and occurrence, levels and dynamics of DDT in breast milk in certain rural areas of KwaZulu
(Potchefstroom University for Christian Higher Education, 1990)The WHO considers DDT as safe to man and environment when applied intra-domiciliary for malaria control. Research into the possible health effects under prevailing conditions, taking social customs into account, have, ... -
'n Bio-ekologiese ondersoek na die terrestriële Oligochaeta in die Mooirivierbesproeiingsgebied
(North-West University (South Africa), 1978)The earthworm fauna in established irrigation soil in the Mooi River irrigation area was investigated. A quantitative and qualitative faunistic survey indicated that there were five different species in this irrigation ... -
'n Nuwe toetsmedium vir eko-toksikologiese studies met Eisenia fetida
(North-West University (South Africa), 1984)The need for a defined test-medium to determine the sublethal effects of pesticides on earthworms, was felt after it became apparent that the materials used unto now, were of a varying and un-reprodusable nature. The aim ... -
'n Ondersoek na die verspreiding en taksonomie van Microchaetinae [Oligochaeta] in Suid-Afrika
(North-West University (South Africa), 1978)In this study it has been attempted to give a comprehensive survey of the geographic distribution and the taxonomic status of all the South African species of the genus Microchaetus . An effort has been made to clarify ...