Extensive grazing is the predominant form of land use on at least a quarter of the world’s land surface, in which livestock are raised on food that comes mainly from rangelands. Extensive grazing differs from crop or forestry production, in which the produce remains in situ whilst growing.…

Presents results of a study carried out to develop methodologies for intercropping annual trifolium spp. into wheat, suitable for smallholder farmer conditions. Discusses the effect of soil and climatic factors and factors affecting adoption. Includes data on the effect of P and method of…

Generally discusses policy and institutional issues related to the topic in post-revolution Ethiopia. The first part of the paper summarizes the physical resource base and the farming systems of the central highlands. Part two highlights the performance of the livestock sector and provides a…

Investigates the effects of improved surface drainage on the productivity of Vertisols in a wheat-and-chickpea cropping trial conducted in 1987 at ILCA;s Debre Zeit research site in the Ethiopian highlands. Chickpea plots were subjected to four irrigation treatments, viz, no irrigation,…

Reviews the extent and use of crop residues as livestock feeds in Ethiopia with special emphasis to wheat with respect to varietal difference and agronomic practices to enhance the utilisation of the straw. Lists area and yield of major crops in Ethiopia. Presents data on yield &…

Outlines an economic evaluation of an improved surface drainage technology, using the broad-bed-maker (BBM) on-farm in four different vertisol areas of the Ethiopian highlands. Presents data on crops and number of areas covered for the on-farm drainage technology, on cost structure of the BBM,…

Analyses the frequency and causes of deaths observed during 1982-86 in sheep flocks around Debre Berhan, Ethiopia. Includes data on annual crude death rates, causes of mortality, frequency, age at death, and seasonal crude death rates.

Reports the major specific causes of sheep mortality in the Debre Berhan area between July 1986 and June 1987. Includes data on seasonal crude death rates, causes of mortality, frequency and age at death.

Reports the major specific causes of sheep mortality in the Debre Berhan area between July 1986 and June 1987. Includes data on seasonal crude death rates, causes of mortality, frequency and age at death.

Presents the results of investigations on the relative distribution of the various phosphorus forms, fixing capacity and status of some Ethiopian highland Vertisols.