Browsing Botswana Journal of Agriculture and Applied Sciences by Title
Now showing items 21-40 of 69
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Effect of spray nozzle type and crop canopy on spray deposition
(Botswana University of Agriculture & Natural Resources, 2008)A study was carried out to investigate if the interaction between nozzle type and crop canopy has an effect on spray deposition and come up with ways of improving spray deposition during chemical applications to crops. The ... -
Effective stage of African marigold (Tagetes errecta L.) in reducing the root knot nematode (Meloidogyne incognita) Kofoid and White population in a tomato (solanum lycopersicon) crop in Ghana
(Botswana University of Agriculture & Natural Resources, 2011)The aim of the study was to investigate the effective stage of the African marigold, Tagetes erecta, in suppressing root-knot nematode populations in Ghana. Two experiments were conducted in the plant house-/laboratory ... -
The effects of cattle-goat mixed grazing on steer performance and rangeland condition in semi-arid north eastern Botswana #
(Botswana University of Agriculture and Natural resources, 2012)Cattle and goats mixed grazing trial was carried out at Impala Research Station from January 2007 to October 2010, to determine the influence of different combinations of cattle and goats ratio on the performance of cattle ... -
Effects of farmer support programmes on maize production: the case of the millennium development authority programme in the Sekyere east district of Ghana
(Botswana University of Agriculture & Natural Resources, 2011)This study examined effects of farmer support programmes on maize production in the Sekyere . East District of Ghana using the Millennium Development Authority Programme (MiDA) as a case study. Data was collected from 100 ... -
Effects of original source of dairy cows, season and age on milk production in Botswana
(Botswana University of Agriculture & Natural Resources, 2011)The objective of the study was to determine the effects of animal and environmental factors on milk yield of Holstein dairy cows kept under intensive system in Botswana. A total of 768 monthly records of 27 Holstein ... -
Effects of plant density on growth parameters and yield of sugar bean (Phaseolus vulgaris L.) in Swaziland
(Botswana University of Agriculture & Natural Resources, 2005)Field bean (Phaseolus vulgaris L.) consumed in Swaziland is mostly imported. Small- scale farmers can grow this crop in the country and obtain good yields if the correct planting density is identified. A field study ... -
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 real exchange rate and gross domestic product on yam exports in Ghana
(Botswana University of Agriculture & Natural Resources, 2011)The objective of this paper was to evaluate the responsiveness of Ghana’s fresh yam export supply to real exchange rate and national income (GDP) with the use of time scries data from 1990 to 2004. Data collected from ... -
Effects of soil type on the emergence, flowering, nutrient uptake and yield components of bambara groundnut (Vigna subterranea (L.) Verde) landraces in Botswana
(Botswana University of Agriculture & Natural Resources, 2008)On-station experiments were conducted at the Regional Agricultural Research Station-Impala in Francistown. Botswana, during 2003/04, 2004/05 and 2005/06 seasons to determine the effects of sandy loam and sandy clay ... -
Effects of substituting rice flour as fillers for wheat flour at varying levels in beef sausage production.
(Botswana University of Agriculture and Natural resources, 2012)To derive optimum benefits from agricultural products is to add value to these products. In the meat industry, sausage making is a well known process of adding value to what could otherwise be considered low quality meats ... -
Effects of witchtweed (Striga species) control methods on growth and yield of maize (Zea mays L.) in Swaziland
(Botswana University of Agriculture & Natural Resources, 2008)Striga hermonthica and S. asiatica arc parasitic weeds that reduce yield in cereal crops. Information is scarce on the response of Striga to weed control methods in Swaziland. Therefore, a held experiment was conducted ... -
Estimates of phenotypic and genetic parameters and responses to selection in growth traits in three beef cattle breeds raised under ranch conditions in Botswana
(Botswana University of Agriculture and Natural resources, 2016)The study estimated phenotypic and genetic parameters and responses to selection of growth traits in three beef cattle breeds raised under ranch conditions in Botswana. Weights at birth (BW), weights at weaning (7 months; ... -
Evaluation of bread wheat genotypes for yield and other characteristics in Botswana
(Botswana University of Agriculture & Natural Resources, 2011)Evaluation of bread wheat genotypes for yield and other characteristics in Botswana. A few farmers produce a limited quantity of wheat in Botswana using cultivars that have not been recommended for production in the ... -
Evaluation of carcass, organ and organoleptic properties of spent layers of different poultry types.
(Botswana University of Agriculture and Natural resources, 2013)This study was designed to assess carcass, organ and organoleptic properties of spent layers of different poultry species; comprising of geese, local chicken, commercial chicken and quails. Eight (8) birds of each species ... -
Evaluation of relative resistance of four cowpea (Vigna unguiculata (L.) Walp) varieties to the black cowpea aphid (Aphis Craccivora) in South-eastern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)Cowpea (Vigna unguiculala (L.) Walp) is an important food legume in many tropical countries, but its production is seriously constrained by insect pests. Aphis craccivora is one of the major pests of cowpea worldwide. ... -
Eye infections in farmed Ostriches(Struthio cuniclus) oil selected farms in Gaborone and Lobatsc districts, Botswana
(Botswana University of Agriculture & Natural Resources, 2005)A study to investigate an outbreak of keratoconjunctivitis among grower ostriches (Struthio camclus) was undertaken on two farms in Lobatsc and Gaborone districts, Botswana. Thirty ostriches (34.1%) showed signs of ... -
Factors associated with perceived effectiveness of the out-of-school youth development and economic empowerment program in Botswana
(Botswana University of Agriculture & Natural Resources, 2008)The purpose of the descriptive-correlational study was to determine the perceived effectiveness of the out-of-school youth development and economic empowerment program by youth and youth officers. The target populations ... -
Factors affecting calving percentage in the four different ranching systems practiced by livestock farmers in the southern region of Botswana
(Botswana University of Agriculture & Natural Resources, 2008)Productivity in the livestock industry in Botswana can only prosper, be viable, competitive and remain a major source of income and employment opportunity in the rural areas, if there is an increase in calving percentage ... -
Fatty acid profile and mineral composition of traditionally processed gibto (Lupinus albus L.) grown in Ethiopia
(Botswana University of Agriculture and Natural resources, 2016)White lupin seeds, Lupinus albus L. are known for their bitter taste due to the presence of various alkaloids and other related anti-nutritional factors which make the seeds inedible. There are some traditional processing ... -
The geographical prevalence and potential epidemiology of heartwater in Botswana: implications for planning control under climate change #
(Botswana University of Agriculture and Natural resources, 2012)Heartwater caused by Ehrlichia ruminantium is a widespread animal health problem in Botswana. Although long known to be endemic, its current distribution and possible future occurrence in new areas within the country ...