Search

Search results for

We found 30 results for you
  1. Droë massaproduksie van vyf eenjarige Medicago‐genotipes in die sentrale oranje‐vrystaat, soos beinvloed deur planttyd

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: L. Viljoen --- Departement van Landbou (Vrystaatstreek), V.D. Wassermann --- Departement van Landbou (Vrystaatstreek), H.J. Fouché --- Departement van Landbou (Vrystaatstreek), P.A. Human --- Departement van Landbou (Vrystaatstreek),
    Bogrondse droë massa‐opbrengste (DM) van Medicago truncatula, cvv. Cyprus en Jemalong, M. aculeata var. inermis, cv. SA 4438, M. orbicularis, cv. SA 2552 en M. rugosa, cv. Paragosa wat op ses verskillende datums gevestig is, is in ‘n veldproef onder...
  2. ‘n Studie van ruproteïeninhoud en verteerbaarheid van vyf eenjarige medicago‐genotipes in die sentrale oranje‐vrystaat

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: L. Viljoen --- Departement van Landbou (Vrystaatstreek), V.D. Wassermann --- Departement van Landbou (Vrystaatstreek), H.J. Fouché --- Departement van Landbou (Vrystaatstreek), P.A. Human --- Departement van Landbou (Vrystaatstreek),
    Die bogrondse groei van Medicago truncatula, cvv. Cyprus en Jemalong, M. aculeata var. inermis, cv. SA 4438, M. orbicularis, pv. SA 2552 en M. rugosa, cv. Paragosa, afkomstig van ‘n besproeide veldproef, is vir ruproteïen en vir in vitro‐ verteerbaarheid...
  3. Implikasies van subhabitat‐diversiteit en die rol van bestuur op die voorkoms van ‘n aantal grasspesies van die suuragtige‐gemengde bosveld1

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Departement Plantproduksie, N.F.G. Rethman --- Departement Plantproduksie,
    Die subhabitatvoorkeure van sewe grasspesies en die nie‐grasagtige kruide, tipies van die Suuragtige‐Gemengde Bosveld, is in agt kampe, wat verskillende langtermyn‐beweidingsbehandelings ontvang het, ondersoek. Twee subhabitatte is geidenti‐fiseer, nl. onder borne en tussen bome. Verskille in die subhabitatvoorkeure van die...
  4. Soils derived from granite in two Mt. Garnet toposequences, North Queensland, Australia

    Soils derived from granite in two Mt. Garnet toposequences, North Queensland, Australia

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South Africa
    Two toposequences derived from granite in the Mt. Garnet area, North Queensland, were examined to determine the detailed soil - landform relationships in order to facilitate subsequent broad-scale mapping of the soil resource. The dominant landsurface feature is gently sloping,...
  5. A comparison of pod and seed characteristics, nutritive value, digestibility and seed survival in cultivars from different <em>Medicago</em> species fed to sheep

    A comparison of pod and seed characteristics, nutritive value, digestibility and seed survival in cultivars from different Medicago species fed to sheep

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T.N. Kotzé --- Department of Agriculture, Republic of South Africa T.S. Brand --- Department of Agriculture, Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pasture Science, Republic of South Africa
    This study was conducted to compare pod and seed characteristics, nutritive value, digestibility and seed survival of intact medic pods after ingestion by sheep. Different diets comprising the intact pods of six cultivars of the medic species that are most...
  6. Julia's Lemma and concave schlicht functions

    Julia's Lemma and concave schlicht functions

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Karl-Joachim Wirths
    Let D denote the open unit disc and let λ > 1. It is proved that a function Φ holomorphic in D has the following properties:
  7. Approximate First Integrals of a Chaotic Hamiltonian System

    Approximate First Integrals of a Chaotic Hamiltonian System

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: G. Ünal C.M. Khalique G.F. Alişverişçi
    Approximate first integrals (conserved quantities) of a Hamiltonian dynamical system with two-degrees of freedom which arises in the modeling of galaxy have been obtained based on the approximate Noether symmetries for the resonance ω 1 = ω 2. Furthermore, Kolmogorov-Arnold-Moser...
  8. More on operator Bellman inequality

    More on operator Bellman inequality

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: F. Mirzapour --- Department of Mathematics, Faculty of Sciences, Iran A. Morassaei --- Department of Mathematics, Faculty of Sciences, Iran M.S. Moslehian --- Department of Pure Mathematics, Center of Excellence in Analysis on Algebraic Structures (CEAAS), Iran
    We present a Bellman inequality involving operator means for operators acting on a Hilbert space. We also give some Bellman inequalities concerning sesquilinear forms. Finally, we refine the Jensen's operator inequality and use it for obtaining a refinement of the...
  9. A Description of the Space of Banach Space-valued Absolutely <em>p</em>-summable Sequences

    A Description of the Space of Banach Space-valued Absolutely p-summable Sequences

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: StuartF. Cullender CoenraadC.A. Labuschagne
    Conradie and Swart described the sequence space l p strong(X) of Banach space-valued absolutely p-summable sequences as the Banach space of cone absolutely summing operators (1-concave operators) from c 0 to X for p = 1, or l...
  10. Elective use of intra-aortic balloon pumping during Whipple's procedure in a patient with ischaemic heart disease

    Elective use of intra-aortic balloon pumping during Whipple's procedure in a patient with ischaemic heart disease

    Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: K Subramanayam --- Department of Anaesthesiology, B Babu --- Department of Cardiothoracic Surgery, R Bhat --- Department of Surgical Gastroenterology, S Reddy --- Department of Cardiothoracic Surgery, India
    A 61-year-old man with diabetes who presented with carcinoma of the head of the pancreas was detected to have severe coronary artery disease. Coronary artery bypass grafting was advised. In view of the urgent nature of the abdominal surgery, resection...
  11. The Female Condition as Double Incarceration in Wambui Otieno's <em>Mau Mau's Daughter</em>

    The Female Condition as Double Incarceration in Wambui Otieno's Mau Mau's Daughter

    Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ken Walibora Waliaula --- Nation Media Group (NMG), Kenya
    Focusing on Kenyan freedom fighter Wambui Otieno's narrative Mau Mau's Daughter 1998), this article discusses the interplay between incarceration and the female condition. It bears clarifying that Otieno's narrative of confinement was written and published forty years after the fact...
  12. Indigenizing counselling valuing the afterlife with the Igbo of south eastern Nigeria: a case for <em>ino-uwa</em> based intervention

    Indigenizing counselling valuing the afterlife with the Igbo of south eastern Nigeria: a case for ino-uwa based intervention

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chika Eze --- Department of Psychology, Faculty of Education, Kenya
    This study examines prospects for the utilization of the concept of ino-uwa practised by the Igbo cultural-linguistic community of South Eastern Nigeria to understand and address counselling needs of a child and his family. Ino-uwa is the cultural familial scaffold...
  13. Exploring student perceptions and experiences of ICT-enhanced formative assessment in an undergraduate management accounting course

    Exploring student perceptions and experiences of ICT-enhanced formative assessment in an undergraduate management accounting course

    Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K. J. Barnard --- Department of Accounting, South Africa M. Mostert --- Centre for Higher Education, Research, Teaching and Learning, South Africa
    The central role of assessment in driving student learning has been well argued in the literature. In particular, continuous formative assessment with timely feedback helps motivate students to work consistently, while the addition of just-in-time support may further motivate and...
  14. Nutritional management of encapsulating peritoneal sclerosis with intradialytic parenteral nutrition

    Nutritional management of encapsulating peritoneal sclerosis with intradialytic parenteral nutrition

    Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J. Kriel --- Tygerberg Academic Hospita, N. Esau --- Tygerberg Academic Hospita,
  15. Multi-stakeholder collaboration yields valuable data for cetacean conservation in Gamba, Gabon

    Multi-stakeholder collaboration yields valuable data for cetacean conservation in Gamba, Gabon

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Minton --- WWF Gabon, Gabon JR Kema Kema --- WWF Gabon, Gabon A Todd --- Gabon Biodiversity Program, Center for Conservation and Sustainability, Gabon L Korte --- Gabon Biodiversity Program, Center for Conservation and Sustainability, Gabon PB Maganga --- WWF Gabon, Gabon JR Migoungui Mouelet --- Brigade de Peche de Gamba/Department des Pêches et d’Aquaculture, Gabon AM Nguema --- Agence National des Parc Nationaux, Gabon E Moussavou --- Brigade de Peche de Gamba/Department des Pêches et d’Aquaculture, Gabon GK Nguélé --- Agence National des Parc Nationaux, Gabon
    Private industry, the Government of Gabon and two international NGOs collaborated to conduct marine surveys off the coast of Gabon, Central Africa. Surveys addressed multiple objectives of surveillance and monitoring, the documentation of the distribution of and threats to the...
  16. Soil quality effects on regeneration of annual <em>Medicago</em> pastures in the Swartland of South Africa

    Soil quality effects on regeneration of annual Medicago pastures in the Swartland of South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Pieter A Swanepoel --- Department of Agronomy, South Africa Flackson Tshuma --- Department of Agronomy, South Africa
    Annual medic (Medicago spp.) pastures are widely used as the forage component of crop rotation systems in the Mediterranean region of South Africa. Reliable establishment of medics can be challenging. This may be related to poor soil quality, an inherent...
  17. Nutritional values and chemical composition of tropical pastures as potential sources of α-tocopherol and condensed tannin

    Nutritional values and chemical composition of tropical pastures as potential sources of α-tocopherol and condensed tannin

    Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jalise F Tontini --- Graduate Program in Animal Science, Agronomy College, Brazil Cesar HEC Poli --- Graduate Program in Animal Science, Agronomy College, Brazil Viviane S Hampel --- Graduate Program in Animal Science, Agronomy College, Brazil Alessandro P Minho --- Embrapa Southeast Livestock, Brazilian Agricultural Research Corporation, Ministry of Agriculture, Brazil James P Muir --- Texas AgriLife Research, USA
    Tropical pastures can be important natural sources of antioxidant compounds and may impact production and quality of animal protein with repercussions on human health. The objective of this study was to evaluate the concentrations of α-tocopherol, condensed tannin (CT) and...
  18. <em>Mau Mau Author in Detention</em>: The Subversive ‘We’ in a Colonial Era Detention Diary

    Mau Mau Author in Detention: The Subversive ‘We’ in a Colonial Era Detention Diary

    Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ken Walibora Waliaula --- , Kenya
    In seeking an answer to the question as to why Kenyan author Gakaara wa Wanjau penned Mau Mau Author in Detention, we may consider the fact that he wrote other works as well — before, during, and after his detention...
  19. Correctional rehabilitation programmes’ effectiveness: A phenomenological study of recidivists in a South African setting

    Correctional rehabilitation programmes’ effectiveness: A phenomenological study of recidivists in a South African setting

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ofhani P Musekwa --- , South Africa Tshilidzi M Mulaudzi --- , South Africa James F Takalani --- , South Africa Lufuno Makhado --- , South Africa
    This study sought to explore correctional rehabilitation effectiveness in a South African setting. Using a phenomenological approach, we interviewed ten parole recidivists who have been convicted more than twice on their rehabilitation service experiences. Interpretive phenomenological analysis of the data...
  20. Women offenders’ experiences of rehabilitation in a South African correctional centre

    Women offenders’ experiences of rehabilitation in a South African correctional centre

    Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sibulelo Qhogwana --- , South Africa Puleng Segalo --- , South Africa
    This study explored gendered rehabilitation of women in correctional spaces and the systems and structures that recreate inequities in women’s incarceration experiences. Eighteen black women completed in-depth interviews on their offender rehabilitation experiences. Their age ranged from 23 to 69...
  21. The mediating role of ICT regulation on the effects of ICT access and ICT use on e-participation: Evidence from structural equation modelling and necessary condition analysis

    The mediating role of ICT regulation on the effects of ICT access and ICT use on e-participation: Evidence from structural equation modelling and necessary condition analysis

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibrahim Osman Adam --- University for Development Studies, Ghana Muftawu Dzang Alhassan --- SD Dombo University of Business and Integrated Development Studies, Ghana
    Recently, governments have been using information and communication technologies (ICTs) to provide platforms for citizen engagement and involvement through e-participation. This paper aims to explore the drivers behind e-participation in a global context. The discourse on e-participation in the information...
  22. ECOWAS and the prevalence of energy-inefficient lighting technologies: Any hope of achieving SDG 7.3?

    ECOWAS and the prevalence of energy-inefficient lighting technologies: Any hope of achieving SDG 7.3?

    Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edwin Albert Umoh --- , Nigeria Yahaya Muhammad Bande --- , Nigeria Omokhafe James Tola --- , Nigeria
    A region-adaptive hierarchical framework for realizing Sustainable Development Goal 7.3 is proposed in this paper, using Nigeria as a case study for strategy adoption and adaptation. In 2013, the Economic Community of West African States (ECOWAS) rolled out strategic plans...
  23. “I don't use a condom (with my regular partner) because I know that I'm faithful, but with everyone else I do”: The cultural and socioeconomic determinants of sexual partner concurrency in young South Africans

    “I don't use a condom (with my regular partner) because I know that I'm faithful, but with everyone else I do”: The cultural and socioeconomic determinants of sexual partner concurrency in young South Africans

    Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Chris Kenyon --- GF Jooste Hospital, Andrew Boulle --- Infectious Diseases Epidemiology Unit, Department of Public Health and Family Medicine, University of Cape Town, Motasim Badri --- Department of Medicine, University of Cape Town, Valerie Asselman --- Infectious Diseases Referral Unit, GF Jooste Hospital,
    Finding ways to reduce the high rates of sexual partner concurrency is increasingly believed to be vital to controlling HIV spread in southern Africa. We describe the frequency and correlates of sexual partner concurrency in a representative sample of 3...
  24. Boundedness of the Hilbert transform in Lorentz spaces and applications to operator ideals

    Boundedness of the Hilbert transform in Lorentz spaces and applications to operator ideals

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: K.S. Tulenov --- Al-Farabi Kazakh National University, Kazakhstan
    In this paper, it is investigated the optimal range of the classical Hilbert transform in Lorentz spaces of functions and its non-commutative counterparts including a triangular truncation operator in Schatten-Lorentz ideals. Some applications of obtained results to operator Lipschitz functions...
  25. Embedding of a truncated vector lattice into its universal completion

    Embedding of a truncated vector lattice into its universal completion

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Karim Boulabiar --- Université de Tunis El Manar, Tunisia Rawaa Hajji --- Université de Tunis El Manar, Tunisia
    We prove in a purely algebraic way that if L is an Archimedean truncated vector lattice then there exists a positive element e in the universal completion Lu of L such that the truncation of L is provided by meet...
  26. Oscillation criteria for noncanonical neutral Emden-Fowler differential equations

    Oscillation criteria for noncanonical neutral Emden-Fowler differential equations

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Orhan Özdemir --- Tokat Gaziosmanpasa University, Turkey
    This study purposes to present some new sufficient conditions for the oscillation of all solutions to a second order noncanonical Emden-Fowler differential equation with mixed neutral term i.e., the neutral term contains both retarded and advanced arguments. The obtained results...
  27. Linear inequalities concerning the sum of the distinct parts congruent to <em>r</em> modulo <em>m</em> in all the partitions of <em>n</em>

    Linear inequalities concerning the sum of the distinct parts congruent to r modulo m in all the partitions of n

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mircea Merca --- University Politehnica of Bucharest, Romania
    We investigate the sum of the parts congruent to r modulo m counted without multiplicity in all the partitions of n. Considering truncated theta series, we introduce a collection of infinite families of linear inequalities involving this sum. We provide...
  28. Truncated vector lattices: A Maeda-Ogasawara type representation

    Truncated vector lattices: A Maeda-Ogasawara type representation

    Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Karim Boulabiar --- Université de Tunis El Manar, Tunisia Rawaa Hajji --- Université de Tunis El Manar, Tunisia
    Let L be a truncated Archimedean vector lattice whose truncation is denoted by *. In a recent paper, we proved that there exists a locally compact Hausdorff space X such that L is a lattice isomorphic with a truncated vector...
  29. Impact of interactions between common bottlenose dolphins and purse-seiners in the Moroccan Mediterranean region: case study in the Al Hoceima fishing grounds

    Impact of interactions between common bottlenose dolphins and purse-seiners in the Moroccan Mediterranean region: case study in the Al Hoceima fishing grounds

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Keznine --- Abdelmalek Essaâdi University, Morocco B Mghili --- Abdelmalek Essaâdi University, Morocco H Awadh --- Abdelmalek Essaâdi University, Morocco M Analla --- Abdelmalek Essaâdi University, Morocco M Aksissou --- Abdelmalek Essaâdi University, Morocco
    This study examines the effect of common bottlenose dolphins Tursiops truncatus on the purse-seine fishery for small pelagic fishes in the Mediterranean Sea and the economic consequences thereof. The investigation focused on the fleet registered at the port of Al...
  30. Comparison of rehabilitation methods on mechanically reconstructed soils following strip coal mining activities: effects on grass properties

    Comparison of rehabilitation methods on mechanically reconstructed soils following strip coal mining activities: effects on grass properties

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: DJ Beukes --- ARC-Soil, Climate and Water, South Africa LD Wiese --- ARC-Soil, Climate and Water, South Africa MV Kidson --- ARC-Soil, Climate and Water, South Africa F Breytenbach --- ARC-Livestock Business Division,
    Opencast coal mining has devastated the grassland biomes in the Mpumalanga Province of South Africa. A rain-fed rehabilitation trial on mechanically reconstructed soil, following strip coal mining, was conducted to demonstrate that the post-mining landscape can be returned to sustainable...