Background: Micronutrient deficiencies are common and compound the effects of human immunodeficiency virus (HIV) infection in Africa. Nutritional interventions, particularly vitamin A supplementation, may improve immune ...

Alectra vogelii (L.) Benth is a parasitic weed in the family Scrophulariaceae that causes substantial damage by attaching onto the cowpea, Vigna unguiculata (L. Walp.) plant and tapping nutrients from it. Cowpea is one of ...

The making of butter from camel milk using a traditional churning method and the physicochemical properties of the butter were assessed. Camel milk was obtained from pastorally managed camels in the Erer valley, eastern ...

A pot experiment was conducted at the Botswana College of Agriculture nursery to investigate effects of growing media on the growth of Cassia abbreviata. A completely randomized design (CRD) with four treatments: top garden ...

Bush fires and dust in the dry winter months establish moderately high background levels of aerosols. Emissions into the atmosphere by copper mines, coal mines and vehicular emissions are all possible sources of air pollution ...

The savanna ecosystems support livestock production and livelihood of pastoral communities. The degradation of savanna ecosystems due to overgrazing had lead government commercializing communal grazing land to privately ...

Methane (CH4 ) and nitrous oxide (N2O) are the two most important non-carbon dioxide (CO2 ) greenhouse gases (GHGs) that play a critical role in shaping the global climate. Their concentrations in the atmosphere have been ...

Sorghum grain sphericity, aspect ratio and shape factor were determined from dimensional measurements by image processing and compared to measurements made manually for three sorghum varieties grown in Botswana (Segaolane, ...