This paper examines the theoretical and practical aspects of natural resource use in the poor tropics given limited technological and policy intervention. Results show that if farmers were to reallocate their land use activities based on land suitability, and utilize between 10-20% of their farm...

A dynamic bio-economic model is used to show that, without technological and policy intervention, soil nutrient balances, income and nutrition could not be substantially or sustainably improved in a highland area of Ethiopia. Although cash incomes could rise from a very low base by more than 50%...

A dynamic bio-economic model is used to show that, without technological and policy intervention, soil nutrient balances, income and nutrition could not be substantially or sustainably improved in a highland area of Ethiopia. Although cash incomes could rise from a very low base by more than 50%...

The moist savannah zone in sub-Saharan Africa is regarded as a high potential area for crop and livestock production. Currently, human labour is the principal source of power for crop production and the level of commercial energy use is very low. Agropastoralism and pastoralism are the principal...

This paper summarizes the empirical research results presented and related discussions at the USAID-sponsored Workshop on Food Security and Economic Growth in the Sahel, held in Washington, D.C., September 6-8, 1989. This workshop focused on regional trade and food security policy dialogue in...

Vertisols are important underutilized resources in the East African highlands because of their inherent waterlogging problem. In this paper, group experience in the design, development and diffusion of a technology package through farmer participation for improving management and productivity of...

Ethiopia has a large livestock population that performs multiple functions and contributes to food security both directly and indirectly. However, the contribution of the sector to the economy is much less than its potential due to various reasons, one of the important reason lies in the...