Browsing Reseach articles by Issue Date
Now showing items 21-40 of 122
-
Monepenepe (Cassia abbriviata): A Medicinal Plant in Botswana [2005]
(Asian Network for Scientific Information, 2005)Cassia abbrivata commonly known, as Monepenepe in Botswana is a widespread shrub or medium sized tree or shrub belonging to the Caesalpinaceae family. In Africa it grows from Somalia to South Africa. It is important medicine ... -
Effect of Benzyladenine Plus Gibberellins and Gibberellic Acid on Yield and Yield Components of Cucumber (Cucumis sativus L. cv. ‘tempo’)
(Asian Network for Scientific Information, 2006)Two greenhouse trials were carried out to evaluate the effect of benzyladenine plus gibberellins (GA4+7) and gibberellic acid (GA3) on yield and yield components of cucumber. Gibberellic acid significantly increased leaf ... -
Elephant impact on shoot distribution on trees and on rebrowsing by smaller browsers
(Elservier, 2006-10)In order to determine the effects of a megaherbivore, the African elephant (Loxodonta africana) on browse available for mesoherbivores, we assessed the vertical distribution of shoots (< 6 mm in diameter) on trees with ... -
Allelopathic activity of sunflower (Helianthus annuus L.) on growth and nodulation of Bambara Groundnut (Vigna subterranea (L.) Verdc.)
(Asian Network for Scientific Information, 2007)Laboratory and greenhouse experiments were conducted to determine the allelopathic activity of sunflower (Helianthus annuus) on seed germination, seedling growth, flowering and nodulation of bambara groundnut (Vigna ... -
African Yam Bean: An Under-Utilized Legume with Potential as a Tuber and Pulse Crop
(Taylor & Francis, 2007)AfricanYamBean (Sphenostylisstenocarpa)isalegume that provides nutritionally rich seeds, tubers and leaves for human consumption. Production relies upon the cultivation of landraces and, to some extent, the collection of ... -
Contribution of red alder to soil nitrogen input in a silvopastoral system
(Springer-Verlag, 2007-01-11)Studies on Alnus rubra Bong. (red alder) were carried out to assess its potential for use as a component of a silvopastoral system. Comparison was between two treatments: red alder at 400 stems ha−1 (silvopasture) and red ... -
Effects of phenolics in sorghum grain on its bitterness, astringency and other sensory properties.
(Wiley, 2007-06-12)Despite the fact that condensed tannins are potentially important antioxidants, there is a general belief that tannins in sorghum confer objectionable sensory attributes. The objective of this study was to determine ... -
Farmers’ knowledge, perceptions and management of vegetable pests and diseases in Botswana
(Elservier, 2008)Vegetable farmers’ knowledge and perceptions of pests, diseases and pest management practices were investigated by interviewing 112 growers in Botswana between April and June 2004. Most of the farmers grew brassicae crops, ... -
Farmers’ knowledge in the cropping systems of Northern KwaZulu-Natal, South Africa: Current challenges and solution for sustainable future food production
(Academic Journals, 2009)Most African farmers involved in food production in South Africa; practice peasant farming for consumption and for retail sale in the informal market, local communities and street corners in the cities. These farmers are ... -
Influence of flooding on bambara groundnut (Vigna subterranea L.) germination: Effect of temperature, duration and timing
(Academic Journals, 2009)To evaluate the response of bambara groundnut seeds to flooding stress a laboratory study (experiment 1) and a greenhouse study (experiment 2) were conducted. In the laboratory study seeds of a brown-coloured local bambara ... -
Assessing the symbiotic dependency of grain and tree legumes on N2 fixation for their N nutrition in five agro-ecological zones of Botswana
(SpringerLink, 2009-02)To assess the symbiotic dependency of grain and shrub/tree legumes within five agro-ecological zones of Botswana, fully expanded leaves of the test species were sampled from about 26 study sites within Ngwaketse, Gaborone, ... -
Effects of site preparation for afforestation on methane fluxes at Harwood Forest, NE England
(Springer, 2009-05-06)A field experiment was established at Harwood Forest to investigate the effects of three forest management practises (drainage, mounding and fertilisation) on methane (CH4) emissions and environmental variables (soil ... -
Influence of PROP taster status on the consumer acceptability of food made from tannin sorghums.
(Wiley, 2009-08-30)BACKGROUND: Condensed tannins in sorghum are powerful antioxidants, beneficial for health. However, tannin sorghums are believed to be unpalatable. The objective was to determine the influence of 6-n-propylthiouracil (PROP) ... -
Symbiotic functioning and bradyrhizobial biodiversity of cowpea (Vigna unguiculataL. Walp.) in Africa
(SpringerLink, 2010-03-23)Cowpea is the most important food grain legume in Sub-Saharan Africa. However, no study has so far assessed rhizobial biodiversity and/or nodule functioning in relation to strain IGS types at the continent level. In this ... -
Symbiotic N nutrition, bradyrhizobial biodiversity and photosynthetic functioning of six inoculated promiscuous-nodulating soybean genotypes
(Elservier, 2011)Six promiscuous soybean genotypes were assessed for their ability to nodulate with indigenous rootnodule bacteria in Ghana, with Bradyrhizobium japonicum WB74 serving as positive control. Although the results revealed free ... -
Assessment of heavy metal pollution in soils along major roadside areas in Botswana
(Academic Journals, 2011-03)Assessment of heavy metal pollutants: Al, Co, Cu, Fe, Pb, Mn, Ni and Zn was conducted along major roadside soils of Botswana, lying between latitudes 18°S to 27°S and longitudes 20°E to 29°E using enrichment factor ratios ... -
Potential of traditional food plants in rural household food security in Botswana
(Academic Journals, 2011-06-11)Botswana is endowed with a variety of traditional food plants which grow annually despite erratic rainfall. The most common traditional food plants are leafy vegetables (for example, Amaranthus, Cleome, Conchorus and Vigna ... -
Application of the dual attribute time-intensity (DATI) sensory method to the temporal measurement of bitterness and astringency in sorghum.
(Wiley, 2011-12-01)Bitterness and astringency are attributes generally cited as the cause of tannin sorghums being unpalatable. The objective here was to determine the effect of sorghums with varying tannin content on bitterness and astringency ... -
Prediction of animal population dynamics with a focus on smallholder pig breeding establishments #
(Botswana University of Agriculture and Natural Resources, 2012)Botswana government has made efforts to diversify agriculture and pig production has been identified as one avenue to achieve this diversification in the livestock industry. It is important that farmers are encouraged to ... -
Pastoralists’ Perception and Ecological Knowledge on Savanna Ecosystem Dynamics in Semi-arid Botswana
(JSTOR, 2012)We investigated vegetation dynamics in relation to livestock grazing as perceived by pastoral farmers in different regions of Botswana. A structured questionnaire was used to collect farmers’ understanding of vegetation ...