The cysteine protease enzymes from T. congolense and T. brucei were purified from pure blood stream forms of the trypanosomes grown in adult albino rats. The trypanosomes were harvested when the number of trypanosomes had reached 108/ml of infected blood or higher. The rats were supplied with 10%...
Download PDF ↓Environmental pollution has reached alarming proportions in Zambia. Mining and industrial activities have been responsible for water, soil, plant and air pollution. The principal objectives of this study were to determine the extent of pollution of soil and vegetation by cadmium, copper, lead and...
Download PDF ↓The effects of litter quality and inorganic nitrogen (N) on rate of decomposition and N release pattern by three leguminous woody species were investigated under field conditions by the litterbag technique. The species studied in 1994/1995 were Leucaena leucocephala, Senna siamea and Flemingia...
This study was carried out during the 1993 /94 cropping season at the University of Zambia (UNZA) Farm and Lusitu Sub-Research Station which are situated in Agroecological Zones II and I (medium and low rainfall), respectively. The objective was to determine the nitrogen fertilizer requirement...
Download PDF ↓Soyabean (Glycine max (L) Merr.) has become an important crop in Zambia. Its increased production is hampered by several foliar diseases of which the anthracnose caused by Collectotrichum truncatum appear to be the most prevalent, than red leaf blotch cause by Dactuliochaeta glycines reported...
Download PDF ↓Sorghum (S. bicolor, L) is a major crop of the hotter and drier regions of the tropics and subtropics grown by resource poor farmers for their subsistence. It can also be cultivated in marginal lands and areas of high rainfall characterized by low pH soils high in aluminium (Al).The overall...
Download PDF ↓The purpose of this study is to construct and estimate a model of production behavior for tobacco farmers in Zambia. The final data set consisted of annual production and price data for fifty farmers over three seasons (1990/91 to 1992/93). Production behavior is modeled in terms of a Translog...
Download PDF ↓Cassava (Manihot esculenta Crantz) is a tuber crop grown widely in Zambia by small scale farmers as a staple carbohydrate. The crop offers many advantages but its potential has been fully exploited. This failure has been in part due to poor production practices and the lack of improved planting...
In order to improve the productivity of land in smallholder agriculture, intercropping of maize (zea mays L.) and cowpea (vigna unguicula L. (walp) has great potential. An experiment was conducted at the University of Zambia School of Agriculture Sciences Field Station in Lusaka, Zambia during...
Download PDF ↓Bambara groundnut (Vigna subterranean (L.) Verde.) is an indigenous African Leguminous crop, cultivated mainly by small-scale farmers in Zambia. The crop is grown predominantly for human consumption although it has potential for use in animal feeds and in many farming systems for soil amendments...