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Summarises available information on the P status of soils, effect of P application on nodulation, dry-matter and seed production, crude-protein and dry-matter digestibility; use of slow release sources of P; differences among species and varieties in their response to P ; assessment of P status o...
Concerns about the generation of greenhouse gases, biodiversity loss, overgrazing and desertification of dry lands and the maintainance of soil and water quality are increasing as human populations grow. This paper discusses what the role livestock can contribute to these problems. Studies showed...
Livestock are an important component of farming systems in sub-Saharan Africa. They are raised mainly for meat, milk and skin and provide a flexible financial reserve in years of crop failure. They also play a critical role in the agricultural intensification process by providing draft power and ...
Fragmentation of farm lands and depletion of soil fertility are among the top most important limiting factors constraining subsistence farmers in maintaining sustainable crop production in the central highlands of Ethiopia. More than sixty and over a third of the total farm households in the coun...
Africa's demand for food and Development means added pressure on natural resources that are already threatened. There is therefore, and urgent need for technical innovations that will raise productivity of livestosk and crops without causing further environmental degradation. But technical innova...
The question of whether the contentious situation at the Ngorongoro Conservation Area, Tanzania, engendered by human population growth, agricultural intensification and perceptions of proper and sustainable land use, is a prevalent problem on a broader continental scale is addressed.
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