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The general objective of this study was to identify factors that affect CD4-TLymphocyte count response in patients commenced on HAART within 24 months of treatment at Chreso Ministries VCT and ART centres. The elements of this study were files of clients of all age groups on HAART above 5 years...

Under increased population pressures, extensive methods of arable cultivation give way to intensive ones. The whole agricultural policy area then becomes central in influencing and further determining production trends and, consequently, the farming system that evolves. In most developing...

This study was carried out at the Middle Zambezi basin in Lusaka province to determine freshwater snail diversity, its relationship to the presence of schistosomiasis and the impact of prevailing environmental factors on snail diversity. The study was carried out during the cool-dry season...

Bambara groundnut [Voandzeia subterranea (L)] Thouars is a grain legume crop grown by peasant farmers in Zambia. The crop has been found to be useful in many farming systems as it contributes to human nutrition and soil amendments. Unfortunately, its full potential has not been fully exploited in...

The grain yield of wheat in Lesotho is low because of poor soil fertility, and the wheat is regarded by the millers to be of poor quality and therefore of less value. A field study was therefore conducted at three sites in Lesotho( Maseru, Leribe and Mafeteng) to evaluate the influence of...

Differences were found in lodging and mechanical strength tests among pearl millets, pearl millet x Napier grass (PMxNG) lines, test crosses and sorghum. In 1987 field lodging ranged from 0 to 98%. Test crosses with PMxNG lines lodged worse on average than the millets or sorghum, but they were...

The central theme in Medical Geography is the study of the spatial variation of disease and general effects of the environment on the occurrence of disease, A disease such as cholera is a disturbance of the normal harmony existing between bodily functions and their environment.Such a...

The seed yield of sesame in Zimbabwe is low compared to other countries, yet the crop is gaining in economic significance. A trial was therefore conducted at Gwebi, Zimbabwe, to evaluate the effects of plant population and fertilizer nitrogen rate on the yield and yield components of sesame...

This dissertation reconstructs a history of hunger in the Gwembe Valley Chieftaincy of Mweemba. It covers the period between 19O5 and 1987. Since 1991 - 92, the period in which the study was being worked on, was a drought and hunger year a postscript was written to append to the main text.The...

There are many non climatic factors influencing the agricultural potential of an area, but of the climatic factors, the most important are the distribution in time and the amount of rainfall. The purpose of this study is to probe rainfall variability based on the persistence model which follows a...