Search
Search results for
We found
10 results for you
-
Grain yield and contribution of symbiotically fixed nitrogen to seed in cowpea varieties using the 15N natural abundance technique
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.K. Ayisi --- Department of Plant Production, Republic of South AfricaIdentification of cowpea varieties with superior grain yield and high nitrogen fixing potential is crucial to increasing productivity of the crop among small-scale farmers in the Northern Province. A field experiment was established during the 1997/98 growing season to evaluate... -
Exploring personality preferences in relation to psychological career resources among managerial staff in the Western Cape fast food industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- Department of Industrial and Organisational Psychology, Dries Schreuder --- Department of Industrial and Organisational Psychology, Chris Kotze --- Department of Industrial and Organisational Psychology,The study explored the relationship between individuals' personality preferences (as measured by the Myers-Briggs Type Indicator, Form M) and their psychological career resources (as measured by the Psychological Career Resources Inventory) and whether the personality types differed significantly in terms... -
Topological systems versus attachment relations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Cosimo Guido --- Department of Mathematics “Ennio De Giorgi”, Italy Sergey A. Solovyov --- Department of Mathematics and Statistics, Faculty of Science, Czech RepublicThe manuscript makes a category-theoretic comparison between the concepts of topological system of S. Vickers and attachment relation of C. Guido. With the help of the recent definition of the notions in the framework of an arbitrary variety of algebras,... -
Seed quality of selected bottle gourd landraces compared with popular cucurbits
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nkanyiso J Sithole --- Crop Science Discipline, School of Agricultural, Earth and Environmental Sciences, South Africa Albert T Modi --- Crop Science Discipline, School of Agricultural, Earth and Environmental Sciences, South Africa Tafadzwanashe Mabhaudhi --- Crop Science Discipline, School of Agricultural, Earth and Environmental Sciences, South AfricaBottle gourd (Lagenaria siceraria (Molina) Standl.) is an indigenous crop that is available only as landraces in sub-Saharan Africa, although it has a great potential for food security. Pumpkin (Cucurbita maxima L.) and cucumber (Cucurbita pepo L.) are exotic crops... -
Effect of cultivar, season and locality on lipid content and fatty acid composition of cactus pear seed oil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Maryna de Wit --- Department of Microbial, Biochemical and Food Biotechnology, South Africa Arno Hugo --- Department of Microbial, Biochemical and Food Biotechnology, South Africa Nokuthula Shongwe --- Department of Microbial, Biochemical and Food Biotechnology, South Africa Rouxlene van der Merwe --- Department of Plant Sciences, South AfricaOpuntia ficus-indica (cactus pear) seeds are rich in linoleic acid and have beneficial properties for nutritional, industrial and pharmaceutical purposes. The total lipid content and fatty acid composition depends on various factors, including cultivar, degree of maturity, climate, harvesting season... -
Food and beverages promoting elderly health: six food-based dietary guidelines to plan good mixed meals for elderly South Africans
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sanjoy Saha --- , USA Upasana Mukherjee --- , USA Makenzie Miller --- , USA Li-Ling Peng --- , USA Carin Napier --- , South Africa Heleen Grobbelaar --- , South Africa Wilna Oldewage-Theron --- , USAStudies have shown that the elderly are at a higher risk of developing malnutrition due to physiological and pathological changes. Several studies have confirmed that older South Africans have insufficient dietary diversity, resulting in nutritional deficiencies. Furthermore, poor and uninformed... -
Pigeonpea production constraints and farmers’ trait preferences in Malawi: implications for variety design
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Esnart Nyirenda Yohane --- , South Africa Hussein Shimelis --- , South Africa Mark Laing --- , South Africa Admire Shayanowako --- , South Africa Isack Mathew --- , South Africa Justus M Chintu --- , MalawiPigeonpea Cajanus cajan (L.) Millsp. is the most important legume cash crop grown in Malawi. However, productivity is low due to biotic and abiotic stresses and socioeconomic constraints. The objectives of this study were to determine farmers’ perceived constraints to... -
Diet quality of adults with poorly controlled type 2 diabetes mellitus at a tertiary hospital outpatient clinic in Tshwane District, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Hanel Duvenage --- University of Pretoria, South Africa Gerda J Gericke --- University of Pretoria, South Africa Jane W Muchiri --- University of Pretoria, South AfricaObjective: To describe the dietary intake and its quality of patients with poorly controlled type 2 diabetes mellitus (T2DM) by assessing the dietary variety (DVS), dietary diversity (DDS), nutrient adequacy ratio (NAR) and mean nutrient adequacy ratio (MAR). -
On conjugacy of additive actions in the affine Cremona group
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ivan Arzhantsev --- HSE University, RussiaAn additive action on an irreducible algebraic variety X is an effective action with an open orbit of the vector group . Any two additive actions on X are conjugate by a birational automorphism of X. We prove that, if... -
2. “Enjoy a variety of foods”: as a food-based dietary guideline for South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Steyn NP --- Centre for the Study of Social and Environmental Determinants of Nutrition Population Health, Health Systems and Innovation, Human Sciences Research Council, Ochse R --- Tshwane University of Technology, Faculty Management Sciences, Department Hospitality Management,Eating a diverse diet is an internationally accepted recommendation for a healthy diet. The food-based dietary guideline (FBDG) “Enjoy a variety of foods” aims to encourage people to consume mixed meals, to increase variety by eating different foods from various...