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Report 1993

Autor: Haque, I. Abebe, M. Mamo, T. Dibabe, A.

Vertisols and soils with vertic properties are an important soil group in the Ethiopian highlands. Poor drainage, soil, water and nutrient erosion are the most serious problems on highland Vertisols. Due to their high moisture- storage capacity, they have high production potential and this potent...

Enlace original: https://cgspace.cgiar.org/handle/10568/49869

Investigación en Agricultura
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Haque, I. ,  Abebe, M. ,  Mamo, T. ,  Dibabe, A. ,  [Nutrient management] ,  Nutrient management
Conference Paper 1986

Autor: Nnadi, L.A. Haque, I.

Examines the potential of forage legume-cereal intercrops in enhancing soil fertility and increasing crop and livestock production in sub-Saharan Africa. Discusses inter/relay cropping systems, forage legumes in cereal systems, improvement of feed quality and enhancement of soil fertility and com...

Enlace original: https://cgspace.cgiar.org/handle/10568/50013

Investigación en Agricultura
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Nnadi, L.A. ,  Haque, I. ,  [Forage legume-cereal systems: Improvement of soil fertility and agricultural productivity with special reference to sub-Saharan Africa] ,  Forage legume-cereal systems: Improvement of soil fertility and agricultural productivity with special reference to sub-Saharan Africa
Conference Paper 1992

Autor: Luyindula, N. Haque, I.

Two greenhouse experiments were conducted to investigate the effect of phosphorus application and Rhizobium inoculation on the growth and nitrogen fixation of three tree legume species on a highland vertisol. The first experiment involved Sesbania sesban and S. goetzei, the second Leucaena panicu...

Enlace original: https://cgspace.cgiar.org/handle/10568/49814

Investigación en Agricultura
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Luyindula, N. ,  Haque, I. ,  [Effect of Rhizobium inoculation and phosphorus on growth and nitrogen fixation in tree legumes grown on highland vertisols] ,  Effect of Rhizobium inoculation and phosphorus on growth and nitrogen fixation in tree legumes grown on highland vertisols
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 1984

Autor: Haque, I. Jutzi, S.C.

Reviews the present state of knowledge about the biological contribution of nitrogen by forage legumes in sub-Saharan Africa; indicates the main factors limiting the contribution of biological N by forage legumes; highlights the potentials of legume - food crop - livestock interactions in various...

Enlace original: https://cgspace.cgiar.org/handle/10568/10879

Investigación en Agricultura
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Haque, I. ,  Jutzi, S.C. ,  [La fixation de l'azote par les legumineuses fourrageres en Afrique subsaharienne: Potentialites et contraintes] ,  La fixation de l'azote par les legumineuses fourrageres en Afrique subsaharienne: Potentialites et contraintes
Journal Article 1985

Autor: Haque, I. Jutzi, S.C.

Reports on the Nitrogen contribution of one forage and three grain legumes, viz, vetch (Vicia villosa), wheat, faba beans, peas & lentils, to a subsequent maize crop in the Ethiopian highlands.

Enlace original: https://cgspace.cgiar.org/handle/10568/10905

Investigación en Agricultura
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Haque, I. ,  Jutzi, S.C. ,  [Contribution en azote de quatre legumineuses a la culture de mais] ,  Contribution en azote de quatre legumineuses a la culture de mais
Journal Article 1988

Autor: Nnadi, L.A. Haque, I.

Examines ILCA's research on forage legumes in the past few years; discusses the potential role of forage legumes in increasing crop-livestock productivity in sub-Saharan Africa; and outlines priorities for future research.

Enlace original: https://cgspace.cgiar.org/handle/10568/10849

Investigación en Agricultura
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Nnadi, L.A. ,  Haque, I. ,  [Les legumineuses fourrageres dans les systemes Africains d'agriculture mixte] ,  Les legumineuses fourrageres dans les systemes Africains d'agriculture mixte
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
Journal Article 1985

Autor: Haque, I. Jutzi, S.C.

Reports on the Nitrogen contribution of one forage and three grain legumes, viz, vetch (Vicia villosa), wheat, faba beans, peas & lentils, to a subsequent maize crop in the Ethiopian highlands.

Enlace original: https://cgspace.cgiar.org/handle/10568/4531

Investigación en Agricultura
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Haque, I. ,  Jutzi, S.C. ,  [Nitrogen contribution of four legumes to a subsequent maize crop] ,  Nitrogen contribution of four legumes to a subsequent maize crop
Journal Article 1999

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

Poor drainage of Vertisols and nitrogen (N) and phosphorus (P) deficiencies are some if the major constraints to food and feed production in the Ethiopian highlands. The effects of soil drainage and P supply on N fixation by annual trifolium species and their residual value to succeeding crops wa...

Enlace original: https://cgspace.cgiar.org/handle/10568/28370

Investigación en Agricultura
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Haque, I. ,  Lupwayi, N.Z. ,  [Landform and phosphorus effects on nitrogen fixed by annual clovers and its contribution to succeeding cereals in the Ethiopian highlands] ,  Landform and phosphorus effects on nitrogen fixed by annual clovers and its contribution to succeeding cereals in the Ethiopian highlands

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