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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.Tedla, A.Regassa, H.[On-farm integration of forage legumes into cereal cropping systems in the Ethiopian highlands]On-farm integration of forage legumes into cereal cropping systems in the Ethiopian highlands

Field experiments were conducted to study the effects of inoculation and application of P on the productivity of Desmodium intortum on an Ultisol and Sesbania sesban on a Vertisol, Alfisol and Ultisol in the Ethiopian highlands. On the Vetisol, the effect of drainage by using broad-bed-and-furrow...


Haque, I.Lupwayi, N.Z.Luyindula, N.[Inoculation and phosphorus effects on Desmodium intortum and Sesbania sesban in the Ethiopian highlands]Inoculation and phosphorus effects on Desmodium intortum and Sesbania sesban in the Ethiopian highlands

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.Lupwayi, N.Z.[Nitrogen fixation by annual forage legumes and its contribution to succeeding wheat in the Ethiopian highlands]Nitrogen fixation by annual forage legumes and its contribution to succeeding wheat in the Ethiopian highlands

An on farm tiral, in which a wheat-clover mixed cropping treatment was compared to an unfertilized (control) and N-fertilized (23 kg N ha-1) pure wheat treatments, was conducted at Ginchi (2200 metres above sea level (masl) and Deneba (2600 masl) in the Ethiopian highlands. The total crop residue...


Tedla, A.Lupwayi, N.Z.Regassa, H.[Cereal-forage legume mixed cropping systems in the Ethiopian highlands]Cereal-forage legume mixed cropping systems 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]Responses of clover and desmodium to Egyptian rockphosphate in Ethiopia

Balances between nutrients applied or mineralized and nutrients removed in maize grain and stover were calculated in a hedgerow intercropping experiment in which Leucaena leucocephala and L. pallida prunings and cattle manure were applied. Hedgerow intercropping (also called alley cropping) is an...


Lupwayi, N.Z.Haque, I.[Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. III. Nutrient balances]Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. III. Nutrient balances

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