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Improving the fermentation ability of unripe air-cured tobacco
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.G. Nel --- , Republic of South Africa C.R. Wall --- , Republic of South AfricaThe fermentation of dark air-cured tobacco depends on its fermentation ability. Dry spells during the growth period can contribute towards unripe tobacco with poor fermentation ability. By blending such tobacco at a 1:1 ratio with tobacco of good fermentation ability,... -
The effect of nitrogen and manganese on the aroma of flue-cured tobacco
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.S. Whitehead --- Department of Botany, Republic of South Africa C.J. Steenkamp --- , Republic of South AfricaSeveral volatile compounds are produced on curing fully aromatic tobacco leaves. In contrast, no volatiles are produced by ‘putty’ leaves. A clear correlation exists between the production of flavour compounds and the retention of structural integrity in the leaves after... -
Die invloed van kultivar, stikstofbemesting en tophoogte op die kwaliteit van oonddroogtabak I. Fisiese kwaliteit en opbrengs
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.J. Malan --- Departement Plantproduksie en Grondkunde, Republiek van Suid Afrika P.S. Hammes --- Departement Plantproduksie en Grondkunde, Republiek van Suid Afrika M.C. Dippenaar --- Navorsingsinstituut vir Tabak en Katoen, Republiek van Suid AfrikaDie toenemende vraag na goeie kwaliteit oonddroogtabak het aanleiding gegee tot navorsing om te bepaal watter rol stikstofbemesting, tophoogte en kultivars speel. Vyf oonddroogtabakkultivars (TL 33, OD86, A4, OD224 en OD212) is in 'n veldproef onderwerp aan drie stikstofbemestingspeile (70,... -
Die invloed van kultivar, stikstofbemesting en tophoogte op die kwaliteit van oonddroogtabak II. Chemiese kwaliteit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.J. Malan --- Departement Plantproduksie en Grondkunde, Republiek van Suid Afrika P.S. Hammes --- Departement Plantproduksie en Grondkunde, Republiek van Suid Afrika M.C. Dippenaar --- , Republiek van Suid AfrikaDie toenemende vraag na beter kwaliteit oonddroogtabak, het aanleiding gegee tot navorsing om te bepaal watter rol stikstofbemesting, tophoogte en kultivar speel. Vyf oonddroogtabakkultivars (TL33, OD86, A4, OD224 en OD212) is in 'n veldproef onderwerp aan drie stikstofbemestingspeile (70, 100... -
Vertex Covers and Secure Domination in Graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: AlewynP. Burger MichaelA. Henning JanH. van VuurenLet G = (V,E) be a graph and let S ⊆ V. The set S is a dominating set of G if every vertex in V \ S is adjacent to some vertex in S. The set S is a... -
Food waste reduction at Restaurant De Pleats: Small steps for mankind
Item type: Journal Article • Journal: • Authors: Geesje Duursma --- Restaurant De Pleats, Burgum, The Netherlands Femke Vrenegoor --- Stenden Research Group Sustainability in Hospitality and Tourism, Stenden Hotel Management School, Leeuwarden, The Netherlands Sytze Kobus --- Restaurant De Pleats, Burgum, The NetherlandsEvery year, large quantities of food are thrown away in the catering industry. Restaurant De Pleats therefore started a pilot study for twelve days to weigh all discarded carrots, chips and bread in order to determine food waste within the... -
Case Study: Small bowel perforation secondary to ileal tuberculosis: intensive care unit case study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: L Veldsman --- Charlotte Maxeke Johannesburg Academic Hospital,The following case study was discussed at the South African Society for Parenteral and Enteral Nutrition (SASPEN) workshop on critcal care nutrition held at the 25th Congress of the Nutrition Society of South Africa and the 13th Congress of the... -
Food waste reduction at Restaurant De Pleats: Small steps for mankind
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Geesje Duursma --- Restaurant De Pleats, The Netherlands Femke Vrenegoor --- Stenden Research Group Sustainability in Hospitality and Tourism, The Netherlands Sytze Kobus --- Restaurant De Pleats, The NetherlandsEvery year, large quantities of food are thrown away in the catering industry. Restaurant De Pleats therefore started a pilot study for twelve days to weigh all discarded carrots, chips and bread in order to determine food waste within the... -
Characteristics of pulmonary tuberculosis patients in Moses Kotane region North West Province, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: JLM Yoko --- Department of Family Medicine and PHC, South Africa JM Tumbo --- Department of Family Medicine and PHC, South Africa AB Mills --- Department of Family Medicine and PHC, South Africa CD Kabongo --- Department of Family Medicine and PHC, South AfricaAim: To determine the characteristics of patients with pulmonary tuberculosis registered in primary health care facilities in Moses Kotane region North West Province. -
Modelling machinery procurement with an emphasis on engineering features
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Basil Olufemi Akinnuli --- Department of Industrial and Production Engineering, NigeriaEngineering features are one of the predominant factors in considering machines for procurement; others are economic and supply conditions. Three major attributes considered under these strategic decisions are engineering features (reliability), economic features (annual operating cost) and supply condition (delivery... -
Organisational culture influences on corporate social responsibility and sustainable procurement in a service sector industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Emelia Darko Adzimah --- , China Liu Lei --- , China Mumuni Ishawu --- , ChinaWe investigated the influence of organisational culture on the relationship between corporate social responsibility (CSR) directed towards internal and external stakeholders and sustainable organisational resource procurement. A sample of 526 employees of a service industry of Ghana were participants (female... -
Driving green procurement in a developing country: The roles of corporate environmental ethics, environmental training, and top management commitment
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Kwabena Anin --- Kumasi Technical University, Ghana Daniel Etse --- Kumasi Technical University, Ghana Gilbert Anyowuo Okyere --- Kwame Nkrumah University of Science and Technology, Ghana Darlington Bright Yao Adanfo --- Ghana Tertiary Education Commission, GhanaGreen procurement expands firms’ possibilities to contribute to environmental sustainability goals in supply chains, although knowledge of its drivers remains underdeveloped in developing countries. This research extends the literature on corporate environmental ethics to green procurement by developing a conceptual... -
Development of electronic procurement with applicability test for the construction sector of Central Ethiopia Regional State
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hanna Moges Dereje --- Wachemo University, Ethiopia Getnet Assefa Habete --- Wachemo University, EthiopiaIn the era of digitalization, electronic procurement is playing a major role in enhancing the productivity of organizations in the construction sector. Unfortunately, this is not as evident in Ethiopia, and the situation in regional areas is aggravated by distinct... -
Federated machine learning for cross-bank credit card fraud detection: A privacy-preserving framework
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Dhanveer Singh --- Technology Leader Capital One USA, USA Raja Chattopadhyay --- Technology Leader Capital One USA, USAFederated machine learning is a solution to the problem of identifying instances of credit card fraud in any bank without violating privacy laws. The framework proposed in this paper any bank without violating privacy laws. The framework proposed in this...