Browsing Botswana Journal of Agriculture and Applied Sciences by Issue Date
Now showing items 1-20 of 69
-
A survey or indigenous tswana chicken fanners in Kgatleng agricultural district in Botswana
(Botswana University of Agriculture & Natural Resources, 2005)The objectives of this study were to determine the production and marketing parameters of indigenous Tswana chickens in Kgatleng Agricultural District in Botswana. Data was collected through a structured questionnaire from ... -
The heavy metal content of Gaborone secondary sewage effluent in Botswana
(Botswana University of Agriculture & Natural Resources, 2005)The objective of this study was to determine the heavy metal content of the Gaborone secondary effluent in Botswana before its discharged to the Notwane river. Secondary effluent water was sampled every month for one ... -
Decomposition dynamics of leaves of six indigenous fruit trees commonly found on croplands of southern Africa
(Botswana University of Agriculture & Natural Resources, 2005)Leaf litter decomposition plays a crucial role in the cycling of both nutrients and energy in the tropical croplands. A field experiment was conducted at Botswana College of Agriculture’s Research Farm in 2003 to compare ... -
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 ... -
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 ... -
Post-flowering photoperiodic and temperature effects on phonological development and yield in field-grown bambara groundnut (Vigna subterranea) landraces in a sub-tropical environment.
(Botswana University of Agriculture & Natural Resources, 2005)The post-flowering phonological development of two local bambara groundnut (K/gna subterranea) landraces was studied at Luyengo, Swaziland using six sowing dates between mid-October 1999 and late January, 2000. The ... -
Production performance and temperature-humidity index of broilers reared in naturally ventilated houses in Botswana
(Botswana University of Agriculture & Natural Resources, 2005)Production performance of straight-run Cobb 500 broilers under commercial management practices was investigated and their temperature humidity index developed. Birds were raised in three non-insulated naturally ventilated ... -
Cryptosporidium infection in cattle in southern Botswana
(Botswana University of Agriculture & Natural Resources, 2005)A parasitological survey was conducted to determine the prevalence of Cryptosporidium infection in cattle in Gaborone, Lobatse, Mochudi and Molepolole veterinary districts. Faecal samples from 137 dairy and beef calves ... -
Assessment of groundnut (Arachis hypogaea L.) genotypes for drought tolerance in Botswana
(Botswana University of Agriculture & Natural Resources, 2006)Groundnut (Arachis hypogaea L.) production in Botswana is adversely affected by erratic and unpredictable rainfall resulting in various periods of drought. As part of a programme aimed at developing drought-tolerant ... -
Improved crop-management techniques for better groundnut (Arachis liypogaea L.) production in Western Kenya
(Botswana University of Agriculture & Natural Resources, 2006)Poor agronomic and husbandry practices are largely responsible for the low yields of groundnuts in Western Kenya. This study was undertaken to develop agronomic practices for increasing groundnut yields by small-hold ... -
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 ... -
A survey of donkey farmers in Bobonong village of Central district in Botswana
(Botswana University of Agriculture & Natural Resources, 2008)The objectives of this survey were to characterise farmers keeping donkeys and document the numbers, management, use and marketing of donkeys in Bobonong village of Central district in Botswana. The data was collected ... -
A survey of ethno-veterinary practices adopted in the treatment of diseases or indigenous chickens in Kgatieng district, Botswana
(Botswana University of Agriculture & Natural Resources, 2008)A survey questionnaire aimed at collecting knowledge on ethno-veterinary practices used in the treatment of diseases of indigenous chickens in order to lay a foundation for further scientific study and validation was ... -
Third stage lanae of Contracaccuin species in catfish (Clariasgariepinus) from Gaborone dam, Botswana
(Botswana University of Agriculture & Natural Resources, 2008)A study was conducted with the aim of establishing the type of internal parasites in catfish (Claris gariepinus) as well as the infection intensity. Ten catfish {Clarius gariepinus) specimens collected from the Gaborone ... -
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 ... -
Mechanical expression of oil from grated and preheated coconut meat
(Botswana University of Agriculture & Natural Resources, 2008)Coconut oil was extracted from grated coconut using a hydraulic pressing method after the coconut gratings were preheated at heating medium air temperature in the range of 30-900C and heating durations ranging from zero ... -
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 ... -
Missing covariates in multiple linear regression when the data is missing at random
(Botswana University of Agriculture & Natural Resources, 2008)The occurrence of missing values is frequent in data collected for different uses such as in surveys, censuses, balanced experiments. On the other end most statistical analysis methods have been developed for complete ... -
The major cations and trace elements in Notwane river, Botswana and its suitability for irrigation
(Botswana University of Agriculture & Natural Resources, 2008)Notwane river in Botswana, is a perennial river in which the treated secondary or tertiary sewage effluent from Gaborone activated sludge treatment plant is discharged to. The objective of this study was to evaluate the ... -
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 ...
