BUAN Research Hub: Recent submissions
Now showing items 341-360 of 687
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Effects of nutritionally-mediated increases in the plasma ammonia concentrations of donor ewes on the in vivo and subsequent in vitro development and metabolism of their embryos
(University of Aberdeen, 1994)A review of the literature indicated that high levels of protein in ruminant diets can lower fertility. Ammonia from proteins that are rapidly degraded by the rumen microbes has been suggested as the factor that may affect ... -
Effect of soil water deficit on water use efficiency of cowpea (Vigna unguiculata L. Walp)
(Botswana University of Agriculture & Natural Resources, 2016-09)There is a global concern over the capacity to feed a rapidly growing world population against a background of climate change which challenges productivity of major crops such as cowpea and their ability to ensure food ... -
Identification and classification of finger millet (Elcusine coracana ) accessions using morphological traits and DNA finger printing
(Khon Kaen University, 2012)Information on genetic diversity of germplasms is very important for every breeding program, thus evaluation and characterization of germplasms is the first and most important step for any breeding program. Different tools ... -
Wastewater treatment using vegetated submerged bed constructed wetlands for nitrogen removal
(Washington State University, 2006-12)Vegetated submerged bed (VSB) constructed wetlands are engineered, low operation and maintenance cost wastewater and stormwater treatment technologies primarily designed for small facilities. The objectives of this ... -
Location as a Factor in the Prediction of Performance in Botswana Junior School Certificate Agriculture Examinations by Continuous Assessment Scores.
(Scientific Ressearch, 2014-01)The study looked at the location of schools as it relates to the academic performance of students in Botswana. The study population was the results of Junior Certificate (JC) Agriculture Examinations conducted in 2009 among ... -
Effects of irrigation water type and nitrogen on growth, yield and nutrient partitioning of tomato. (Lycopersicon lycopersicum (L.) Karstern
(Botswana University of Agriculture & Natural Resources, 2014-09)A field experiment was conducted at the Botswana College of Agriculture (BCA) to evaluate the effects of irrigation water type and nitrogen on growth, yield and nutrient partitioning of tomato (Lycopersicon lycopersicum ... -
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' ... -
The image of agriculture education in Botswana
(Murdoch University, 2009)This study examines agricultural education in Botswana among students and teachers. Since independence in 1966 to the present time, agricultural production has declined from about 40 percent to about 3 percent. Harsh ... -
Trends in land cover change of the greater Gaborone area: Implications for agricultural production loss
(Botswana University of Agriculture & Natural Resources, 2013-06)Peri urban areas are contiguous to urban areas, they consist of a large population, and these are regions where farming practice is in conflict with other economic activities. These activities drive the changes in land ... -
Assessment of computer technology availability, accessibility and usage by Agricultural Education student teachers in secondary schools in Botswana.
(Academic Journals, 2014-09-10)This study examines the availability, accessibility and usability of computer as a form of information and communication technologies (ICTs) by student teachers in secondary schools. 44 out of 51 student teachers of ... -
Bifurcation analysis of vertical transmission model with preventive strategy.
(ScienceDirect, 2016-07)We formulate and analyse a deterministic mathematical model for the prevention of a disease transmitted horizontally and vertically in a population of varying size. The model incorporates prevention of disease on individuals ... -
Growth performance and carcass characteristics of guinea fowl (ntunida mcleagris) fed diets containing three local grown cereals as energy sources raised under intensive system
(Botswana University of Agriculture & Natural Resources, 2014-07)This study investigated growth performance and carcass characteristics of guinea fowl fed diets containing three local grown cereals as energy sources in comparison to commercial broiler diets (control). Birds were ... -
Relating sorghum yield to growing seasonal weather conditions for Chobe and Barolong agricultural district, Botswana
(Botswana University of Agriculture & Natural Resources, 2013-06)Growing season rainfall is the most important factor in rain-fed arable agriculture in semi-arid climates. Knowledge of rainfall distribution is needed to make farmers aware of possible crop yield obtainable during and ... -
Potential of some botanical extracts, soap solutions and companion plants against cabbage aphid (Brevicoryne Brassicae L.) on rape (Brassica napus L.)
(Botswana University of Agriculture & Natural Resources, 2021-06)Rape (Brassica napus L.) is a popular leafy vegetable grown for home consumption and for sale in Botswana and other African countries. It significantly contributes to the livelihood of both smallholder and commercial ... -
Livestock population dynamics and pastoral communities’ adaptation to rainfall variability in communal lands of Kgalagadi South, Botswana.
(Springer Open, 2014)Rainfall variability is a problem in arid environments, and in this study, drought severity, impact of rainfall variability on livestock population and adaptation practices were investigated in Kgalagadi, Botswana. Data ... -
Wildlife-livestock interface, veterinary cordon fence damage, lack of protection zones, livestock theft and owner apathy: Complex socio-ecological dynamics in Foot and Mouth disease control in southern Africa
(Springer Open, 2016-10-26)Current efforts to control and possibly eradicate the highly contagious and economically important Foot and Mouth disease (FMD) in Botswana are hampered by numerous inextricably linked constraints. These constraints were ... -
Agro-pastoralists’ determinants of adaptation to climate change.
(Emerald, 2018-03-12)Purpose – The purpose of this study is to analyse smallholder farmers’ perceptions on climate change and its stressors, their adaptation strategies and factors that influence their adaptation to climate change. Design/m ... -
Scheduling irrigation from wetting front depth.
(Elsevier, 2016-07-07)Irrigation scheduling is often based around the analogy of a ‘tipping bucket’, and the measurement or prediction of the amount of water stored within the bucket. We compare this conventional approach of scheduling with ... -
The impact of growth promoters on muscle growth and the potential consequences for meat quality.
(Elsevier, 2016-10-20)To meet the demands of increased global meat consumption, animal production systems will have to become more efficient, or at least maintain the current efficiency utilizing feed ingredients that are not also used for human ... -
Reservoir tillage for semi-arid environments
(Cranfield University, 2005-10)The ever increasing world population, the decline in suitable agricultural land and food production levels require that new methods are found to increase land productivity or to bring into production land which is marginal. ...