Browsing Natural and Agricultural Sciences by Title
Now showing items 214-233 of 2707
-
Atoomabsorpsiometriese reproduseerbaarheid vir sink
(North-West University (South Africa), 1966)"Abstract not copied -
An autodissemination strategy using entomopathogenic fungi and kairomonal attractants for managing thrips on grain legumes
(North-West University (South Africa), 2016)Grain legumes are among the key economical crops widely grown in western and eastern Africa as important sources of food and animal fodder. However, the production of grain legumes in Kenya is seriously affected by a ... -
Automated construction of generalized additive neural networks for predictive data mining
(North-West University, 2006)In this thesis Generalized Additive Neural Networks (GANNs) are studied in the context of predictive Data Mining. A GANN is a novel neural network implementation of a Generalized Additive Model. Originally GANNs were ... -
Automated processing of untargeted 1H-NMR metabolomics data of urine from treated TB patients
(North-West University (South Africa), 2022)Metabolomics is becoming an increasingly popular field of study. An analytical platform commonly used for metabolomics studies is proton nuclear magnetic resonance (1H-NMR) spectroscopy. The main challenge of 1H-NMR is ... -
Automation of membrane based solvent extraction for Zr and Hf separation
(North-West University (South Africa), Potchefstroom Campus, 2015)In recent years, research into metal ion extraction using hollow fibre membranes has grown, focussing on the extraction of a wide range of metals including base, transition, and rare earth metals. This non dispersive solvent ... -
Avian ecology of arid habitats in Namibia
(North-West University, 2015)Examination of bird assemblages along an environmental gradient which encompasses both climate and habitat change is needed if we are to better understand the potential effects of these changes for avians and the ecological ... -
Avian response to controlled fire at Barberspan
(North-West University, 2005)Grasslands cover about a quarter of the Earth and are often characterised by wetlands (McAllister, 2000). A large diversity of animal life is found there. In South Africa, there are 21 species of grassland birds, of which ... -
Awareness and Use of Mobile Phone Apps by Farmers in North West Nigeria
(North-West University (South Africa), 2020)This research examined the awareness and use of mobile phone applications in North-West Nigeria and specifically investigated the demographic and socio-economic characteristics of farmers, mobile phone apps available, ... -
Awareness and Willingness to Pay for Moringa as a Leafy Vegetable in Limpopo Province
(North-West University (South Africa), 2017)Moringa has been used to fight against malnutrition in developing countries as a result of its high nutrient content. The move to use Moringa was seen as both feasible and effective. However, it is not commonly consumed ... -
Awareness of the National Water Act requirements within the Viljoenskroon rural farming community in the Free State Province
(North-West University, 2018)The aim of this research was to measure the awareness of the Viljoenskroon rural farming community of the Section 21 requirements of the National Water Act. The National Water Act has specific regulations regarding the ... -
An awareness plan for the Tlokwe dolomite risk management strategy
(North-West University (South Africa), 2017)Vulnerable communities residing on dolomitic land in the jurisdiction of the Tlokwe City Council are faced with the hazard of possible sinkhole formation and the associated risk of losing lives or damage to infrastructure ... -
Background ambient atmospheric mercury concentrations for the South African interior
(North-West University (South Africa), 2021)Atmospheric mercury (Hg) pollution is a global health concern. Once emitted into the atmosphere, gaseous elemental mercury (Hg0) can be converted to highly reactive gaseous oxidised mercury (Hg2+), which is deposited to ... -
Background Radioactivity in the North West Province
(North-West University (South Africa), 2001)The unavailability of the background radioactivity baseline data of the North West province for the various geological units is a problem from the radiation protection point of view. The regulation of the nuclear industry ... -
Bacterial communities associated with the surface of sweet pepper and their selection for biocontrol
(North-West University (South Africa), 2021)Biocontrol agents (especially, microbial antagonists) can sustainably and effectively protect yield losses in crops. In sweet peppers (Capsicum annum), one of the most nutritionally rich fruit crop, widely grown worldwide, ... -
Bacterial diversity of South African soils
(North-West University (South Africa), 2020)The soil is an essential part of the environment as it provides support for life which comprises microorganisms, plants, animals and humanity. Ecosystem services such as nutrient cycling, food production and temperature ... -
Bacteriocinogeny in Proteus vulgaris
(University of Pretoria, 1967)One hundred and eighteen different strains of Proteus vulgaris were investigated for bacteriocinogeny. These P. vulgaris strains were also used a s indicators. Seventy of the 118 strains produced zones of inhibition when ... -
Bacteriophage levels and associated characteristics in selected temperate water systems
(North-West University (South Africa), Potchefstroom Campus, 2017)Bacteriophages are studied in an effort to establish the viral safety of water as well as gather information as to what source of faecal pollution is dominant in a water system. The aim of this study was to determine ... -
Bacteroides species as indicators of faecal pollution in environmental water sources : a literature review
(North-West University (South Africa), 2019)Faecal pollution of water has long been an issue of great concern due to the potential health risks associated with faeces. A lack of understanding the implications of sewage contamination in water combined with inadequate ... -
Bank loan pricing and profitability and their connections with Basel II and the subprime mortgage crisis
(North-West University, 2008)A topical issue in financial economics is the development of appropriate stochastic dynamic models for banking items and behavior. The issue here is to fulfill the need to generalize the more traditional discrete-time ... -
Barriers and opportunities to the implementation of a zero waste to landfill goal – a platinum mining case study
(North-West University (South Africa), 2022)According to Kaza et al (2018:18), the global amount of waste generated on an annual basis has reached 2.01 billion tonnes, with only 30% being diverted away from landfill through re-use, recycling, composting or incineration. ...