• Nitrogen dynamics of amending coal gasification ash with organic industrial sludge: implications for dumpsite rehabilitation 

  Mbakwe, Ikenna (University of Pretoria, 2014-03)

  Coal gasification ash (CGA) is the waste by-product of the process of producing synthetic fuel from coal. Every year, millions of tons of this saline, alkaline waste are generated and although alternative uses have been ...
• Using the organic carbon fractions of the Van soest method to determine compounds responsible for C and N mineralization from sludge amended soils 

  Malobane, Mashapa Elvis (University of Pretoria, 2014-11)

  The composition of sludge organic matter is mainly influenced by the origin of wastewater. The biochemical composition of sludge could, however, alter from post wastewater treatment drying techniques. Such changes have ...
• Weed population dynamics and management in a smallholder farming system in transition from conventional tillage to planting basins in a semi-arid area 

  Mavunganidze, Zira (University of Pretoria, 2014-02)

  This study was conducted in Kadoma, Zimbabwe in the smallholder sector (SH) during 2009/2010 and 2010/2011 seasons. The overall aim of the study was to understand the changes that occur to weed densities, species diversity ...
• Community-based socio-economic sustainability of Gaba and Rossbach government plantations in Limpopo Province, South Africa 

  Munyanduki, Precious (University of Pretoria, 2014-07)

  Sustainable forest management (SFM) principles emphasize the need for generation of socio-economic benefits for neighbouring communities, minimization of adverse effects and maintenance of good relations with the communities. ...
• The vegetative propagation and quality specifications of Pinus Patula hybrid cuttings 

  Ford, Craig M. (University of Pretoria, 2014-01)

  Pinus patula has for many years been the most important softwood species along the eastern regions of southern Africa but as a result of the pine pathogen, Fusarium circinatum, there have been serious establishment ...
• Understanding environmental factors influencing invasion of Lilium formosanum in Mpumalanga Province and models of its potential distribution in South Africa 

  Bereng, Mosiuoa Walter (University of Pretoria, 2014-07)

  Alien invasive plants are of concern in the world because of their potential to spread into the natural environment. Invasion patterns observed in plant species can be attributed among other things to favourable environmental ...
• Flowering, fruit growth and intracellular storage component formation in developing Moringa Oleifera Lam. seed as influenced by irrigation 

  Muhl, Quintin Ernst (University of Pretoria, 2014-06)

  Moringa oleifera has become increasingly popular as an industrial crop in recent times due to its multitude of useful attributes as a water purifier, nutritional supplement and biofuel feedstock. Besides this, Moringa ...
• Metabolomic analysis on anti-HIV activity of selected Helichrysum species 

  Emamzadeh Yazdi, Simin (University of Pretoria, 2019)

  Since the beginning of human civilization, medicinal plants have been used to treat a variety of infectious and non-infectious diseases. The therapeutic properties of phytochemicals have been recognized since ancient human ...
• Population genetics of the maize foliar pathogen cercospora zeina crous & U. braun in five countries of Sub-Saharan Africa 

  Nsibo, David Livingstone (University of Pretoria, 2019)

  Cercospora zeina, a causal pathogen of gray leaf spot (GLS) of maize, is responsible for up to 1 % of global yield losses. Previous small-scale population genetics studies have revealed that C. zeina is a highly diverse ...
• Optimisation of nitrogen and potassium nutrition for selected new potato (Solanum tuberosum L.) cultivars 

  Nkhase, Tlotlisang; Nkhase, Tlotlisang (University of Pretoria, 2019)

  There are many older potato cultivars in South Africa such as BP1, Up-to-date and Avalanche. These older varieties of potatoes have been studied intensively under South African conditions such that ...
• Evaluation of irrigation water quality guidelines for arsenic and lead, with implications for food and feed safety 

  McGladdery, Candice (University of Pretoria, 2019)

  As mining and industry continue to impact agricultural lands and waterways, and as competition for access to fresh water increases, the agricultural industry must adapt to grow crops in increasingly polluted lands using ...
• Potato (Solanum tuberosum L.) response to nitrogen forms and phosphorus sources in different soil types 

  Kiongo, Simon Chege (University of Pretoria, 2020)

  Potato (Solanum tuberosum L.) is one of the most important tuber crops globally and is classified amongst the most crucial food crops in Africa. South Africa has a very vibrant potato industry, producing about 2.5 million ...
• Molecular and physiological characterization of transgenic soybean (Glycine max) over-expressing oryzacystatin-I (OCI) in their root nodules 

  Hlokwe, Mogale Clinton (University of Pretoria, 2019)

  Pre-mature nodule senescence is a naturally occurring process that often has a negative impact on plant growth and development. Nodule senescence is regulated by a class of enzymes known as cysteine proteases. In this ...
• Irrigation and nitrogen management of African (Siphonochilus aethiopicus (Schweinf.) B.L. Burtt) and commercial ginger (Zingiber officinale Roscoe) 

  Gatabazi, Auges (University of Pretoria, 2019)

  Medicinal plants are important and valuable natural resources. South Africa is well-endowed with very diverse flora and fauna that include a considerable number of medicinal plant species. Most medicinal plants have gained ...
• Seasonal water use dynamics of Macadamia (F. Muell) orchards 

  Smit, Theunis Gerhardus (University of Pretoria, 2020)

  Increased demand for sustainably produced, healthy, and nutritious food has seen certain segments of the world agricultural sector flourish in the past few decades. The macadamia nut industry in particular has expanded at ...
• The use of mine impacted water and its treatment by-products in agriculture 

  Sukati, Bonokwakhe Hezekiel (University of Pretoria, 2020)

  The Coalfields of the Republic of South Africa (RSA) discharge approximately 360 Ml d-1 of mine impacted water, referred to as Acid Mine Drainage (AMD), requiring neutralization to reduce risk to the environment. High ...
• The extent of bush encroachment and its effects on the ecosystem services of a mixed bushveld of Makapanstad rangelands, North-West Province, South Africa 

  Mndela, Mthunzi (University of Pretoria, 2020-08-12)

  The encroachment of rangelands by woody plants causes an imbalance in the grass:bush ratio leading to decline in ecosystem services including grazing capacity, biodiversity, and water yield. This study assessed the historical ...
• Studies of silicon fertilization in citrus to enhance chilling injury resistance 

  Mvondo-She, Mireille Asanzi (University of Pretoria, 2020-07-15)

  Numerous studies in high-Si accumulators found physiological and biochemical adaptation processes were enhanced by Si application in crops stressed by cold conditions. Meanwhile, there is relatively little information on ...
• Recycling municipal wastewater sludge in agricultural land : implication on plant nutrient supply and biological indicators of soil quality 

  Badza, Taruvinga (University of Pretoria, 2020-08)

  World-wide population is rising, and pressure is mounting on already limited resources targeted for agricultural productivity. Resources like water and crop nutrient sources are getting limited every day to sustain the ...
• Influence of Miombo woodlands management, drivers on land use/cover and forest change, woody composition/diversity, population structure in Malawi 

  Gondwe, Monica Fides Kalagho (University of Pretoria, 2020)

  The Miombo woodland vegetation of southern Africa has been subjected to anthropogenic pressures in recent years, resulting in a change in its cover and floristic-structural composition, and the population status of important ...

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