Theses and Dissertations
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Theses and Dissertations [105]
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Evaluation of bacillus thuringiensis (var. kurstaki), spinosad and cypermethrin for the control of diamondback moth (plutella xylostella l.) on cabbage.
(Botswana University of Agriculture & Natural Resources, 2011-07)An experiment was conducted al the Botswana College of Agriculture (BCA), Gaborone, Botswana (24° 55’S, 25" 95’E) at an altitude of 998m above sea level to evaluate the effectiveness of Bacillus thuringiensis(Bt), ... -
Phosphate sorption and its relation to soil properties
(Agricultural University of Norway, 1986-12-11)In order to study the phosphorus sorption characteristics of six soils from Botswana, 2g of soil were equilibrated at 20°C in 0.01M CaCl2 containing various amounts of dissolved phosphate (0-900 pg P/g soil for two days). ... -
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 ... -
The role and potential of tree growing on farms in the Barolong district – Botswana
(University of Aberdeen, 1992)In the Barolong District the depletion of the woodland resource, upon which households are dependent for fuelwood, poles, fencing material, livestock forage and protection of cropland soil, is a cause for concern. The ... -
Effect of leaf bud removal and partial leaf harvesting on growth, development and yield of cowpeas (Vigna unguiculata [L.] Walp.)
(Botswana University of Agriculture & Natural Resources, 2017-05)Cowpea (Vigna unguiculta [L.] Walp.) originates in tropical Africa. Most producers engage in “dual purpose” cowpea production, where sequential harvests of leaves arc made, followed by seed harvest at the end of the ... -
The dynamics of hydraulic lift in peach tree water relations
(West Virginia University, 1995) -
Vegetation and soil moisture responses following three big sagebrush control methods
(University of Wyoming, 1986-05) -
The effects of drought on plant response in Northern Chehuahuan Desert rangelands
(New Mexico State University, 2001-08)Short term grazing trials were started in June 1992 and continued until 2000; The pastures were grazed in June and September each year except 1996, 1999 and 2000 because of drought. The trials were conducted at New Mexico ... -
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) -
Proximate composition of offal and drumsticks of guinea fowl (Numida meleagris) fed mophane worm and various cereal based diets
(Botswana University of Agriculture & Natural Resources, 2015-08)Two studies were carried out to investigate the effects of feeding mophane worm as a protein source and cereals as energy sources on the chemical composition of offal and drumsticks of guinea fowl (Numida meleagris). ... -
Growth performance, haemo-biochemical parameters, carcass characteristics and meat quality in broiler chickens fed malted sorghum-based diets
(Botswana University of Agriculture & Natural Resources, 2021-06)The study was conducted to investigate the effect of feeding malted sorghum grains in place of maize grains on growth performance, blood parameters and meat quality of Ross 308 broiler chickens (R3O8BC). A pilot work (Study ... -
Performance of dairy goats in selected regions of Botswana and the effect of improved management practices on milk yield and composition
(Botswana University of Agriculture & Natural Resources, 2015-11)In Botswana milk production generally come from dairy cattle breeds, but there are some goat breeds that have the genetic potential for producing large quantities of milk. This dissertation was a record of two studies on ... -
Morphological characterization and evaluation of Botswana bottle gourd (Lagenaria siceraria Molina Stand1.) landraces
(Botswana University of Agriculture & Natural Resources, 2021-06)Bottle gourd (Lagenaria siceraria Molina Stand1.) landraces are usually grown in Botswana under subsistence farming. Morphological characterization of the landraces is important to identify promising landraces for breeding, ... -
Phenotypic and genetic characterization of indigenous Tswana pigs and their reproductive performance under an intensive management system
(Botswana University of Agriculture & Natural Resources, 2018-03)The study was carried out to phenotypically characterize indigenous Tswana pigs under intensive management system and to genetically characterize Indigenous Tswana pig Population using a panel of 12 microsatellite markers. ... -
Plants Poisonous to Livestock in Botswana
(South Dakota State University, 1982)Livestock plant poisoning is very common in Botswana. Two plants, Dichapetalum cymosum and Pavetta harborii, are especially notorious for causing large-scale mortality in some areas of the country. In 1975, for instance, ... -
Influence of stocking density on bone development and carcass characteristics of family chickens reared up to 18 weeks of age under intensive management system
(Botswana University of Agriculture & Natural Resources, 2014-06)The influence of stocking density on bone development and carcass characteristics of family chickens was investigated. A total of 232 unsexed day-old family chicks were used in a completely randomized design. Birds ... -
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 ... -
Effects of watering frequency and soil types on growth and yield of kgengwe (Citrullus lanatus var. Citroides)
(Botswana University of Agriculture & Natural Resources, 2019-04)There is now a growing realization by government and other role players in Botswana of the importance of indigenous plants as alternative food crops to enhance food security and biodiversity. Experimental research was ... -
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 ... -
Evaluation of the nutritional potential of safflower (Carthamus tinctoriiis L.) leaves, seed and cake after oil extraction to be used as animal feed
(Botswana University of Agriculture & Natural Resources, 2017-09)Safflower is an annual oil seed crop adapted to arid and saline regions of the world, is a potentially novel food and medicine source, which has not been fully explored in the last century. Safflower’s ability to forage ...
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