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A field experiment was conducted at Chilanga, Zambia (15 34 S 28 19 E, 1313m asl) during the 2000/2001 season to determine the effects of neem and tephrosia extracts on aphid-borne viruses of Phaseolus vulgaris L. (Fabaceae). The experiment was factorial and consisted of four treatments (extract...

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...

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...

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...

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...

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...

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...

The need for preservation of crop species is being widely recognized. This requires that seeds posses good initial quality and potential to be stored for long periods. Time of harvest of soyabean seed has been identified as the main factor affecting quality and potential for long term storage....