The Ethiopian highlands are characterized by land degradation, erosion and low productivity, while they serve as the water towers of the region. It is estimated that over 1.9 billion tons of soil are lost from the highlands of Ethiopia each year, with the soil loss ranging from 5 to 300 t/ha/year...
Gebresilase, Y.
,
Amede, Tilahun
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[Investing in land and water management practices in the Ethiopian highlands]
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Investing in land and water management practices in the Ethiopian highlands
Lagemann, J.
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Flinn, J.C.
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Okigbo, B.
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Moorman, F.R.
,
[Root crop/oil palm farming systems: a case study from Eastern Nigeria]
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Root crop/oil palm farming systems: a case study from Eastern Nigeria
Recycling of plant residues, fertilizer use and inclusion of trees and perennials in crop fields are key components in systems for improved food crop production on infertile soils in the forest regions of West Africa. 2 On Alfisols of pH 5.5 or higher in the forest and forest-savanna transitional...
Juo, A.S.
,
Kang, B.T.
,
[Nutrient effects of modification of shifting cultivation in west Africa]
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Nutrient effects of modification of shifting cultivation in west Africa
A major constraint the smallholder farmer faces in the West African semi-arid tropics (WASAT) is the low productivity of soils, which is often combined with land and labor shortage, caused in part by low productivity of labor, lack of cash resources, and limited access to credit. Groundnut and co...
Bartiono, A.
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Ndunguru, B.J.
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Ntare, B.R.
,
Christianson, C.B.
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Mokwunye, A.U.
,
[Fertilizer management strategies for legume based croping systems in the West African semiarid tropics]
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Fertilizer management strategies for legume based croping systems in the West African semiarid tropics