Browsing School of Agricultural, Earth and Environmental Sciences by Type "Thesis"
Now showing items 1-20 of 1892
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A 40,000-year record of vegetation and fire history from the Tate Vondo region, Northeastern Southpansberg, South Africa.
(2014)Records from the Quaternary period are used to confirm possible inferred climatic changes, reveal the responses of species to these changes, and serve as an archive against which modern environmental dynamics can be ... -
A critical analysis of current approaches to SMME development and support within the eThekwini Municipal Area.
(2009)Small, Medium and Micro Enterprises (SMMEs) are considered to be the engines of growth of any economy. In the light of recent economic events and the recession that is surging rapidly across the globe, more and more attention ... -
A critical assessment of the Namibian protected area management effectiveness tracking tool.
(2010)Protected Areas (PAs) are one of the most effective mechanisms for biodiversity conservation. They are found in almost every country and have been adopted by the international community through various conventions and ... -
A framework to improve irrigation design and operating strategies in the South African sugarcane industry.
(2009)The purpose of this study was to develop a framework to assess irrigation design and operating strategies. This objective was achieved successfully and the framework was applied to formulate guidelines to increase farm ... -
A laboratory and glasshouse investigation on the effect of liming with fly ash and processed stainless steel slag on two contrasting South African soils.
(2008)Soil acidity is a major land degradation problem that limits crop production globally. The high cost of traditional liming materials (calcitic limestone, dolomite etc.) and the vast areas of land that require liming have ... -
A review of the fluvial geomorphology monitoring of the receiving streams of the Mooi-Mgeni [River] Transfer Scheme Phase 1.
(2009)The Mgeni River is the major water resource for the eThekwini Metropolitan and Msunduzi Municipalities. At the end of 2002, the Mooi-Mgeni Transfer Scheme Phase 1, which transfers water from the Mooi River into the Mgeni ... -
A simulation study of cane transport system improvements in the Sezela Mill area.
(2009)The South African sugar industry is of significant local and international importance and covers an area in excess of 450 000 hectares. This area yields approximately 21 million tons of sugarcane per annum which is transported ... -
A study of bruchid resistance and its inheritance in Malawian dry bean germplasm.
(2007)Dry bean (Phaseolus vulgaris L.) is economically and nutritionally an important legume, not only in Malawi, but in many parts of Africa and Latin America. Unfortunately, two bruchid species (Acanthoscelides obtectus Say, ... -
A systems-thinking based evaluation of predator conflict management on selected South African farms.
(2008)The backbone of this study was a systems thinking based analysis of the management and control of predators as practiced in South Africa since the advent of Europeans in 1652. The first bounties were introduced for a variety ... -
The above-ground biomass composition and nutrient content of commercial Eucalypts and their use in managing sustainable intensive forestry in South Africa.
(2003)A study was undertaken of the biomass composition of ten eucalypt species growing on five sites in the timber growing regions of southeastern Mpumalanga. The species comprised E. deanei, E. dunnii, E. elata, E. fastigata. ... -
Abscisic acid metabolism in a Citrus Sinensis flavedo enzyme system.
(1998)This research project had its major objective the unequivocal demonstration that the plant growth regulator, abscisic acid could be produced in vitro from labelled precursors. In addition, this project was intended to ... -
The accuracy of arm-associated height estimation methods compared to true height in a multi-racial group of young South African adults.
(2015)Background: Stretch stature is the gold standard for measuring true height, but when this is not possible height estimation methods are used. To date, only two South African studies regarding height estimation techniques ... -
Adaptation and behaviour of finishing pigs to Vachellia tortilis leaf meal inclusion.
(2017)The broad objective of the study was to determine the adaptation and behaviour of pigs fed on incremental levels of Vachellia tortilis leaf meal based diets. Forty-eight clinically healthy male pigs Large White × Landrace ... -
An adaptation of the SCS-ACRU hydrograph generating technique for application in Eritrea.
(2004)Many techniques have been developed over the years in first world countries for the estimation of flood hydrographs from small catchments for application in design, management and operations of water related issues. However, ... -
An adaptive operational water resources management framework for the Crocodile River catchment, South Africa.
(2014)River catchments are complex STEEP (Social, Technological, Economic, Environmental, Political) systems requiring an integrated and adaptive approach to their water resources management with input from diverse stakeholders ... -
Addressing genetics misconceptions with an educational game.
(2008)This dissertation describes the design, development and formative evaluation of an educational adventure game entitled Food for Thought to address student misconceptions in genetics within the context of a development ... -
Adoption and economic assessment of Integrated Striga Management (ISM) technologies for smallholder maize farmers in Northern Nigeria.
(2017)The agricultural sector plays a crucial role in Nigeria. According to a recent report released by the Food and Agriculture organisation and the National Bureau of Statistics (NBS), the agriculture sector contributed only ... -
Adoption and willingness to pay for organic fertiliser: a case of smallholder potato (solanum tuberosum L.) farmers in KwaZulu-Natal, South Africa.
(2020-03-12)Potato cultivation involves intensive soil tillage throughout the cropping season, which often results in soil degradation, erosion, and leaching of nitrates. Literature suggest that efforts to produce sufficient food ... -
Adoption of hybrid maize seed, fertilizer and machinery technologies by communal farmers in KwaZulu-Natal.
(2001)This study investigates the characteristics of technology adoption by small-scale farmers, notably the factors influencing the adoption of hybrid maize seed, inorganic fertilizer and machinery technologies. The study also ... -
Adventure travel and sustainable tourism development in Lesotho : the case of pony trekking.
(1999)Tourism in Lesotho reached a peak in the mid-1970's, based upon the opening of modern hotels and casinos in Maseru and the attraction of gambling. This was an activity which was not then available in the neighbouring ...