Browsing Theses and Dissertations by Title
Now showing items 1-20 of 132
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Abundance and diversity of safflower (Carthamus tinctorius l.) insects in Botswana
(Botswana University of Agriculture & Natural Resources, 2022-10)Water scarcity has become a major challenge for Botswana farmers to increase their production despite various development initiatives introduced by the government. Safflower (Carthamus tinctorius l.) is a drought tolerant ... -
An analysis of pre-service teacher preparation and instructional supervisory practices in Agricultural Education
(Iowa State University, 2006)his dissertation contained three articles that explored teacher preparation in Agricultural Education. The first article was a descriptive-correlational study; it described the relationship between pre-service teachers' ... -
Assessing the potential of rainwater harvesting for sustaining small scale irrigated coffee farming in the Bigasha watershed, Uganda2023
(Botswana University of Agriculture & Natural Resources, 2023-01-25)This study used remote sensing, Geographical Information System (GIS), the Quantum GIS Soil and Water Assessment Tool (QSWAT+) and Crop Water and Irrigation Requirements Program (CROPWAT) to assess the potential of rainwater ... -
An assessment of biological nitrogen fixation on legumes growing on farmers’ fields and in natural systems and authentication of associated root nodule bacteria
(Botswana University of Agriculture & Natural Resources, 2017-05)The low inherent soil fertility, especially nitrogen (N) constrains arable agriculture in Botswana. Nitrogen is usually added to soil through inorganic fertilizer application. In this dissertation, biological N? fixation ... -
Assessment of genetic diversity of mungbean genotypes in Botswana using agro-morphological traits and molecular markers.
(Botswana University of Agriculture & Natural Resources, 2022-02)Mungbean (Vigna radiata L, Wilczek), is one of the leguminous crops that plays an important role in improving national food security and sustaining livelihoods of small-scale farmers in the developing world. Despite its ... -
An assessment of socio-economic potential of conservation agriculture and prediction of its future performance using the DSSAT model for the Pandamatenga vertisols in northern Botswana
(Botswana University of Agriculture & Natural Resources, 2019-11)This study was based in the Chobe District in Pandamatenga village in the northern region of Botswana. The main aim of the study was to assess the socio - economic potential of Conservation Agriculture (CA) technologies ... -
Assessment of the species Penaeus latisulcatus and Penaeus japonicus in the shallow-water shrimp trawl fishery at the Sofala Bank, Mozambique.
(University of Bergen, 2000)Commercial data from 1995 and 1996 of the Pescamar fishing company in Mozambique were used to study the stock dynamics of the two shrimp species Penaeus latisulcatus (marfil) and Penaeus japonicus (tiger). These species ... -
Assessment of water quality in a drainage channel at Pandamatenga commercial arable farms for possible agricultural reuse
(Botswana University of Agriculture & Natural Resources, 2023)Botswana is a semi-arid country with low rainfall and a lack of water resources. The country has reached its full potential in terms of surface water development, that is, the construction of dams, owing to the flat ... -
The benefits of different management interventions on the performance of goats in Oodi village, Kgatleng District: Botswana
(Botswana University of Agriculture & Natural Resources, 2015-08)The aim of this research was to find the benefits of supplementation with molasses urea block (MUB) and Ivermectin injections on the growth as well as on gastro-intestinal parasites load of goats grazed extensively, ... -
Bio-efficacy of selected bean genotypes and some plant powders as protectant against the seed beetle, Callosobruchus Maculatus (Coleoptera: Chrysomelidae)in storage
(Botswana University of Agriculture & Natural Resources, 2022-10)Common bean (Phaseolus vulgaris L.) is one of the utmost significant grain legumes in developing countries, however its production in Botswana has been failing to retain pace with annual growth rates due to post harvest ... -
Biology and Ecology of Glyphosate-Resistant Giant Ragweed
(Purdue University, 2013)Giant ragweed (Ambrosia trifida L.) is a competitive annual plant found in disturbed landscapes and is the most troublesome weed in Indiana and the US Corn Belt. It is one of the most common and problematic weeds in corn ... -
Bovine cysticercosis: prevalence, risk factors, its socio-economic effects on cattle farmers in Botswana and identification of immunogenic antigens
(Botswana University of Agriculture & Natural Resources, 2020-09)Botswana’s incidence of Taenia saginata cysticercosis following passive post-mortem inspection has increased consistently, with attendant public health and socioeconomic implications. Most published bovine cysticercosis ... -
Characterisation of Jatropha curcas L. germplasm within Botswana using morphological and molecular markers (SSR)
(Botswana University of Agriculture & Natural Resources, 2017-06)Jatropha curcas L. is an undomesticated plant species that has recently received great attention for its utilization in biofuel production in many countries including Botswana. The main goal of this study was to identify ... -
The Chemical composition of Crop residues and their effects on Growth rate and Carcass characteristics of yearling Tswana sheep
(Botswana University of Agriculture & Natural Resources, 2010-09) -
Chemical thinning of morula fruit (Sclerocarya birrea subspecies caffra Hochst) using benzyladenine
(Botswana University of Agriculture & Natural Resources, 2009-08)A field experiment was conducted at Gabane Veld Product Research and Development (VPR&D) morula orchard from August 2008 to May 2009. to evaluate the effects of benzyladenine (BA) on fruit set and ... -
Classification of drought tolerant cowpea [Vigna unguiculata (L). Walp)] genotypes based on morphological and physiological responses to water deficit
(Botswana University of Agriculture & Natural Resources, 2015-11)Drought stress poses a major threat to food security due to the devastating effect during the growth and development of plants and leads to yield losses in Africa, especially in Botswana. Therefore, there is an increasing ... -
Comparative assessment of the effects of horse manure and urea as nitrogen sources on seed yield, forage production and nutritional quality of Cenchrus ciliaris post seed harvesting.
(Botswana University of Agriculture and Natural Resources, 2020)The objective of this research was to evaluate the comparative effects of horse manure and urea, as sources of nitrogen, on seed and biomass yields of Cenchrus ciliaris and the nutritional quality of its forage residues ... -
Comparative growth performance and semen characteristics of indigenous naked neck tswana and black australorp x naked neck tswana chickens under an intensive management system in Botswana.
(Botswana University of Agriculture and Natural Resources, 2020-10)This study investigated growth performance and semen characteristics of naked neck Tswana and black Australorp X naked neck Tswana chickens. The birds were raised under intensive management system from day old to 20 weeks ... -
A comparative study of growth performance and sensory evaluation of Tswana and Orpington chickens reared up to 18 weeks of age under intensive system
(Botswana University of Agriculture & Natural Resources, 2017-06)Two studies were carried out to compare growth performance, carcass characteristics and sensory evaluation of local Tswana chickens and Orpingtons. In the first study, a total of 120 day-old chicks (60 Tswana and 60 ... -
Comparison of genetic and immunological responses to tick infestation between three breeds of sheep in South Africa
(University of the Free State, 2016-01)The study investigated genetic parameters and immunological responses to tick infestation in three South African sheep breeds (Namaqua Afrikaner [NA], Dorper and SA Mutton Merino [SAMM]). The study aimed to estimate genetic ...
