Articles by Author: Armwell Shumba

Search results for Armwell Shumba

We found 22 results for you
  1. Mineralisation of organic fertilisers used by urban farmers in Harare and their effects on maize (<em>Zea mays</em> L.) biomass production and uptake of nutrients and heavy metals

    Mineralisation of organic fertilisers used by urban farmers in Harare and their effects on maize (<em>Zea mays</em> L.) biomass production and uptake of nutrients and heavy metals

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Nutrient release patterns and heavy metal contamination risks associated with animal manure and organic municipal wastes used as basal fertilisers are largely unknown in Zimbabwe. Carbon, nitrogen and phosphorus mineralisation patterns were determined in a 56-day incubation experiment of domestic...
  2. Yield, nutrient and heavy metal uptake of leafy vegetables grown in sewage sludge and poultry manure amended soils

    Yield, nutrient and heavy metal uptake of leafy vegetables grown in sewage sludge and poultry manure amended soils

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Urban farmers in Harare grow vegetables in soils fertilised with poultry manure (PM) and sewage sludge (SS). Feed and storage management influence nutrient supply of these organic amendments. Nitrogen mineralisation of PM and SS were determined in a non-leaching and...
  3. Resilience in Children of Poverty

    Resilience in Children of Poverty

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    Most studies reviewed show that poverty has a negative impact on school success and the social and emotional functioning of learners in schools. Students' personal beliefs about their capabilities were found to influence their motivation and learning in schools. However,...
  4. Setting Research Priorities for Indigenous and Social Forestry in Zimbabwe

    Setting Research Priorities for Indigenous and Social Forestry in Zimbabwe

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    The client base of the Research and Development Division of the Forestry Commission (the main forestry research institution in the country) has broadened from a few large exotic plantation owners to millions of rural communities who depend on indigenous forests...
  5. A Survey of Tree Planting Practices in the Smallholder Farming Sector of Zimbabwe

    A Survey of Tree Planting Practices in the Smallholder Farming Sector of Zimbabwe

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Group meetings and individual farm visits were used to establish current tree planting practices in the smallholder farming sector of Zimbabwe. The number of tree species planted in each of the eight districts studied ranged from nine to 27 with...
  6. Guidance and Counseling Services in South African Schools: Issues and Challenges

    Guidance and Counseling Services in South African Schools: Issues and Challenges

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study seeks to determine if guidance and counseling: (a) lessons are provided to students; (b) services provided are adequate; (c) students are aware of guidance and counseling services provided; and (d) difficulties that counselors face in implementing the programme...
  7. Perceptions of Child Abuse by Teacher Trainees in Zimbabwean Schools

    Perceptions of Child Abuse by Teacher Trainees in Zimbabwean Schools

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study is a part of a larger study that examined the epidemiology and aetiology of child abuse by teachers in Zimbabwean primary schools. The purpose of the study was to determine teacher trainees' conception of sexual abuse of pupils...
  8. Students' Self-Concept and Academic Achievement in Zimbabwe: A Preliminary Study

    Students' Self-Concept and Academic Achievement in Zimbabwe: A Preliminary Study

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    Students' personal beliefs about their capabilities to learn influence their motivation and learning. This study determined the relationship between self-concept and academic achievement of Zimbabwean primary school students. A qualitative approach was used to collect data from 75 pupils (36...
  9. Pupils' Perceptions of Sexual Abuse by Teachers in Zimbabwe

    Pupils' Perceptions of Sexual Abuse by Teachers in Zimbabwe

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    Most studies available on sexual abuse of pupils in schools have examined the epidemiology of the phenomenon by teachers but have not looked at what the pupils themselves say about why some teachers sexually abuse them. This study sought to...