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Faculty of Science & Agriculture

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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4748
Description: The early efforts of Booth, Johnson, Rubidge, Catuneanu, de Wit, Chevallier, Stankiewicz, Weckmann and many other scientists in studying the Karoo Supergroup has led to comprehensive documentation of ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4813
Description: Since the end of Apartheid, the South African government has invested substantially in smallholder irrigation schemes, particularly in the former homeland areas. One of the primary goals for establish ... More
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Authors: Mhundwa, Russel
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4671
Description: South Africa contributes approximately 0.5 percent to the total world milk demand and is the third largest producer of fresh cow milk in Africa after Sudan and Kenya. In comparison to any other enterp ... More
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Authors: Mzozo, Ziyanda
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4727
Description: This study aimed to investigate the feeding behaviour of the calanoid copepod, Pseudodiaptomus hessei, particularly whether it prefers to feed on a planktonic or benthic food source. The effect of dif ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4992
Description: Staphylococcus aureus is a Gram-positive bacterium predominantly found on human skin and in nasal passages with 20 to 40 percent of the population carrying this organism. Although S. aureus is an unsp ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4582
Description: An air source heat pump (ASHP) water heater is a renewable and energy efficient hot water heating technology. ASHP water heaters are fast gaining maturity in the South African market and in Africa at ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4893
Description: Search and retrieval of multimedia content from open platforms such as the Internet and IPTV platforms has long been found to be hugely inefficient. It has been noted that a major cause of such ineffi ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4846
Description: Although several studies have investigated commercial farmers’ risk preferences, there is still lack of information on the risk attitudes and risk preferences of smallholder farmers in South Africa. R ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/2922
Description: Emerging organic contaminants (EOCs) have been the focus of global environmental research for over three decades. EOCs have caused widespread concern due to their extensive use. As EOCs were designed ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/5003
Description: Wastewater treatment facilities have been identified as potential source of surface water pollution worldwide. In this study, the physicochemical qualities and heavy metal (including Zinc, Cadmium, Ir ... More
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Authors: Jiba, Phiwe
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4705
Description: South Africa and other African countries are faced with high levels of food insecurity and poverty levels as a result of slow growth of the macro economy and weak or sluggish rural development. Irriga ... More
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Authors: Tafa, Sanelise
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/2809
Description: Land degradation is a serious problem that many poor communities face and this worsens their vulnerability and therefore, poses a threat to food security, as it reduces yield, forces farmers to use mo ... More
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Authors: Parwada, Cosmas
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4824
Description: Soil organic matter (SOM) plays a primary role in aggregation and stabilization of soils, hence reducing their susceptibility to erosion. In South Africa (SA), most soils have low (< 4 percent) soil o ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4660
Description: Sanitary hot water production contributes significantly to the electrical energy consumption in the university campus. An in-depth understanding of the current hot water technology, number of students ... More
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Authors: Ngcobo, Lindiwe
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10353/4694
Description: Rural development efforts to reduce poverty and enhance food security and generally improve livelihoods in developing countries continue to be constrained by high energy cost. For that reason, renewab ... More
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