Browsing Botswana Journal of Agriculture and Applied Sciences by Title
Now showing items 10-29 of 69
-
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 ... -
Documentation of indigenous knowledge and best-bet practices on the use of animals and plants for sustainable natural resources management in Botswana.
(Botswana University of Agriculture and Natural resources, 2014)A study was carried out to document indigenous knowledge (IK) and practice on use of animals and plants, and best-bet practices (BBPs) during Phase I (2003-2004) of the Desert Margins Programme (DMP), whose overall objective ... -
Does Botswana need a Society for Animal Scientists?#
(Botswana University of Agriculture and Natural Resources, 2013)Botswana’s agriculture contributes about 2.0% to GDP and involves about 130 800 traditional farmers (Statistics Botswana 2012). Of these, animal agriculture contributes almost 100% of the income generated by agriculture. ... -
Domestication of Cartagena Protocol in Botswana
(Botswana University of Agriculture and Natural resources, 2016)Genetically modified (GM) plants are currently grown in many countries in the world. These crops offer advantages such as improved nutrient composition, and resistance against viruses, fungi, bacteria and insects as well ... -
Drought and grazing influence on northern Chihuahuan desert rangelands, New Mexico
(Botswana University of Agriculture & Natural Resources, 2013)A short term cattle grazing trial was started in June 1992 in the Chihuahuan Desert in Southern New Mexico to study the influence of drought and grazing on plant responses. Paddocks were grazed in June and September each ... -
The effect of blocking angularis oculi and facial veins on daily water intake in euhydrate and dehydrated Tswana goats under field conditions during summer
(Botswana University of Agriculture and Natural Resources, 2012)The aim of this study was to assess the importance of selective brain cooling (SBC) in the water economy of Tswana goats by blocking angularis oculi and facial veins in euhydrate and dehydrated goats under outdoor conditions ... -
The effect of blocking the angularis oculi and the facial veins on metabolism of Tswana goats
(Botswana University of Agriculture & Natural Resources, 2008)The aim of this study was to compare changes in resting metabolism of Tswana goats as a result of diverting venous blood to and away from the cavernous sinus. Eighteen male yearlings were equally and randomly assigned to ... -
Effect of fire burning interval on species composition, herbage yield and bush control in the savanna of eastern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)The purposes of this study were to examine the effects of various fire burning intervals on the dynamics of woodland structure and the resultant herb layer in the savanna vegetation of eastern Botswana. Plots of 1.2 ... -
Effect of maturity stages on nutritive quality and sensory properties of Fig fruits
(Botswana University of Agriculture and Natural resources, 2017)This study was conducted in a completely randomized design to evaluate the physical character, proximate composition, minerals (Fe, Zn, Ca and P) and sensory properties of early, mid and late maturity stages of Ficus sur ... -
Effect of phloem sap deposition on properties of sapwood in Pterocarpus angolensis (Mukwa) following bark stripping by elephants in Chobe forests reserves in northern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)An investigation was carried out to assess properties of sapwood in Pterocarpus angolensis following debarking by elephants in Botswana. The objective of this study was to assess the effect of phloem sap deposition on ... -
Effect of roof insulation materials on broiler housing heat exchange during summer and winter seasons in Southeastern Botswana
(Botswana University of Agriculture & Natural Resources, 2011)A study was conducted to investigate the effects of three different roof insulation treatments, namely, Thatch grass (TH), Envirotuff (EN) and Alucushion (AL) on conductive heat flux exchange (HFE) when compared to that ... -
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 ...