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Journal Article 1996

Autor: Haque, I. Lupwayi, N.Z. Luyindula, N.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/28124

Investigación en Agricultura
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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
Journal Article 1997

Autor: Mugwira, L.M. Haque, I. Lupwayi, N.Z. Luyindula, N.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/28127

Investigación en Agricultura
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Mugwira, L.M. ,  Haque, I. ,  Lupwayi, N.Z. ,  Luyindula, N. ,  [Evaluation of phosphorus uptake and use efficiency and nitrogen fixation potential by African clovers] ,  Evaluation of phosphorus uptake and use efficiency and nitrogen fixation potential by African clovers
Journal Article 2000

Autor: Haque, I. Lupwayi, N.Z.

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, ...

Enlace original: https://cgspace.cgiar.org/handle/10568/33014

Investigación en Agricultura
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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
Working Paper 1994

Autor: Saka, A.R. Haque, I. Lupwayi, N.Z. El-Wakeel, A.

This document starts by describing the five main agroecological zones of sub-Saharan Africa, viz, arid, semi-arid, subhumid, humid, and highland, and summarising population and agricultural production. Then it goes to the main topics that includes inter cropping systems; criteria for evaluating t...

Enlace original: https://cgspace.cgiar.org/handle/10568/4428

Investigación en Agricultura
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Saka, A.R. ,  Haque, I. ,  Lupwayi, N.Z. ,  El-Wakeel, A. ,  [Forage legumes in crop-livestock systems of sub-Saharan Africa] ,  Forage legumes in crop-livestock systems of sub-Saharan Africa
Journal Article 1994

Autor: Tedla, A. Lupwayi, N.Z. Regassa, H.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/29603

Investigación en Agricultura
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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

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