An on-farm trial, in which a wheat-clover mixed cropping treatment was compared with un-fertilised (control) and N-fertilised (23 kg N ha (-1)) pure wheat treatments, was conducted at Ginchi (2200 metres above sea level (m asl)) and Deneba (2600 m asl) in the Ethiopian highlands. Compared with th...
Lupwayi, N.Z.
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Tedla, A.
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Regassa, H.
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[On-farm integration of forage legumes into cereal cropping systems in the Ethiopian highlands]
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On-farm integration of forage legumes into cereal cropping systems in the Ethiopian highlands
Phosphorus deficiency is the major soil fertility problem limiting forage production in many parts of Africa. The objective of this study was to screen African Trifolium species for dry matter production, nutrient use efficiency and nitrogen fixation potential at different rates of applied Twenty...
Mugwira, L.M.
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Haque, I.
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Lupwayi, N.Z.
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Luyindula, N.
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[Evaluation of phosphorus uptake and use efficiency and nitrogen fixation potential by African clovers]
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Evaluation of phosphorus uptake and use efficiency and nitrogen fixation potential by African clovers
Soil fertility is declining in most agro-ecosystems in sub-Saharan Africa, and incorporation of forage legumes into production systems to utilize the nitrogen fixed by the legumes could alleviate the problem, if efficient nitrogen-fixing legumes are used. The amounts of nitrogen fixed by Lablab, ...
Haque, I.
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Lupwayi, N.Z.
,
[Nitrogen fixation by annual forage legumes and its contribution to succeeding wheat in the Ethiopian highlands]
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Nitrogen fixation by annual forage legumes and its contribution to succeeding wheat in the Ethiopian highlands
Although the majority of soils in Africa are P deficient, the high cost of conventional water-soluble P fertilizers limits their use by resource-poor farmers. Rockphosphates are a low-cost alternative. The effect of Egyptian rockphosphate (ERP) from two sources, applied at 50 kg P ha-1, on annual...
Haque, I.
,
Lupwayi, N.Z.
,
[Responses of clover and desmodium to Egyptian rockphosphate in Ethiopia]
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Responses of clover and desmodium to Egyptian rockphosphate in Ethiopia