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Now showing items 281-300 of 680
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Determination and source apportionment of selected heavy metals in aerosol samples collected from Sebele
(Science Publication, 2013-05-17)Bush fires and dust in the dry winter months establish moderately high background levels of aerosols. Emissions into the atmosphere by copper mines, coal mines and vehicular emissions are all possible sources of air pollution ... -
Effects of nitrogen and phosphorus fertilizers on growth, yield, and yield components of sorghum (Sorghum bicolor (L) Moench)
(Botswana University of Agriculture & Natural Resources, 2013-06)Greenhouse and Held experiments were conducted during the 2009 and 2010 growing seasons at Botswana College of Agriculture to evaluate the effect of different levels of nitrogen (N) and phosphorus (P) ... -
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 ... -
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 ... -
Grazing management systems and their effects on savanna ecosystem dynamics: A review
(Academic Journals, 2013-06)The savanna ecosystems support livestock production and livelihood of pastoral communities. The degradation of savanna ecosystems due to overgrazing had lead government commercializing communal grazing land to privately ... -
Color stability and tenderness variations within the gluteus medius from beef top sirloin butts
(Elservier, 2013-06-10)Beef top sirloin butts (n = 48) from USDA quality grade (QG; upper 2/3 US Choice vs. US Select) and yield grade categories (YG; 1 and 2 vs. 4 and 5) were aged 14 days, GM steaks were cut, with 2 steaks removed from the ... -
The Efficacy of Micronutrient-Fortified Sorghum Meal in Improving the Immune Status of HIV-Positive Adults.
(Karger Publishers, 2013-06-20)Background: Micronutrient deficiencies are common and compound the effects of human immunodeficiency virus (HIV) infection in Africa. Nutritional interventions, particularly vitamin A supplementation, may improve immune ... -
Dimensional Relations and Physical Properties of Wood of Acacia saligna, an Invasive Tree species growing in Botswana
(International Science Community Association, 2013-07-06)A study was carried out to evaluate wood physical properties of Acacia saligna, an invasive alien species that has naturalized in Botswana. Wood samples were collected from three different trees at three different heights ... -
The Use of Ethnoveterinary Medicine in Goats in Lentsweletau Village in Kweneng District of Botswana.
(Researchgate, 2013-07-28)The study was conducted to document the use of ethnoveterinary medicine in goats in Lentsweletau village in Kweneng district of Botswana. Structured questionnaires were used to collect information from 30 goat owners. The ... -
Mineral intake and utilisation by guinea fowl (Numida meleagris) fed different local protein and energy sources
(Botswana University of Agriculture & Natural Resources, 2013-08)Two studies were carried out to investigate the effects of feeding different locally available protein and energy sources on mineral utilisation by guinea fowl were investigated. In the first study, ninety-six-day old keets ... -
Factors Influencing Methane (CH4) and Nitrous oxide (N2O) Emissions from Soils: A Review
(International Journal of Forest, Soil and Erosion, 2013-08)Methane (CH4 ) and nitrous oxide (N2O) are the two most important non-carbon dioxide (CO2 ) greenhouse gases (GHGs) that play a critical role in shaping the global climate. Their concentrations in the atmosphere have been ... -
Influence of strain and egg size on the hatchability of indigenous tswana chicken eggs
(International Journal of Livestock Research, 2013-08-29)The objectives of this study were to find the influence of strain and egg size on the hatchability of indigenous Tswana chicken (ITC) eggs. In the first part of the study, a total of 240 eggs were collected from each of ... -
The effect of purified condensed tannins of forage plants from Botswana on the free-living stages of gastrointestinal nematode parasites of livestock.
(Elsevier, 2013-10-18)The effect of condensed tannins (CT) extracted from forage plants from Botswana on the free-living stages of a number of species of gastrointestinal nematode parasites derived from infected sheep were investigated using ... -
The importance of soft skills in academic performance and career choices of senior secondary school students in Botswana
(Botswana University of Agriculture & Natural Resources, 2013-11)In today's society where soft skills are imperative for job success the use of performance data provided by standardised tests to sort students to various careers is a major concern. The study examined the relationship ... -
Evaluating the Growth Response of Cassia abbreviata oliv. Seedlings to Growing Mediain Botswana
(International Science Community Association, 2013-11)A pot experiment was conducted at the Botswana College of Agriculture nursery to investigate effects of growing media on the growth of Cassia abbreviata. A completely randomized design (CRD) with four treatments: top garden ... -
Development and application of modern agricultural biotechnology in Botswana: The potentials, opportunities and challenges
(GM Crops & Food, 2014)In Botswana, approximately 40% of the population live in rural areas and derive most of their livelihood from agriculture by keeping livestock and practising arable farming. Due to the nature of their farming practises livestock ... -
Training needs of youth organizational leaders in Nigeria.
(Botswana University of Agriculture and Natural resources, 2014)Training needs of youth leaders in Ikpoba-Okha, Egor and Oredo Local Government Areas of Edo State, Nigeria were studied. Data were obtained using a combination of structured questionnaire and interview schedule to source ... -
Effects of planting date and transgenic maize hybrids on Fusarium ear rot severity at Hoytville and Wooster, Ohio, USA.
(Botswana University of Agriculture and Natural resources, 2014)A three year study was conducted at Hoytville and Wooster, Ohio from 2006 to 2008 to find out how sequential planting of transgenic and non-transgenic maize influence Fusarium ear rot of maize. Maize hybrids with different ... -
Effects of planting date and transgenic maize hybrids on Fusarium ear rot severity at Hoytville and Wooster, Ohio, USA
(Botswana University of Agriculture and Natural Resources, 2014)A three year study was conducted at Hoytville and Wooster, Ohio from 2006 to 2008 to find out how sequential planting of transgenic and non-transgenic maize influence Fusarium ear rot of maize. Maize hybrids with different ... -
Drought responsive genes and their functional terms identified by GS FLX Pyro sequencing in maize
(Crea Journals, 2014)Drought stress is a major challenge for the production of maize (Zea mays L), leading to reduced growth of aerial parts and, to a large extent, reproductive stages of development. We applied the 454 GS FLX titanium platform ...