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Conference Paper 1988

Autor: Mamo, T. Haque, I. Kamara, C.S.

Presents the results of investigations on the relative distribution of the various phosphorus forms, fixing capacity and status of some Ethiopian highland Vertisols.

Enlace original: https://cgspace.cgiar.org/handle/10568/49696

Investigación en Agricultura
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Mamo, T. ,  Haque, I. ,  Kamara, C.S. ,  [Phosphorus status of some Ethiopian highland Vertisols] ,  Phosphorus status of some Ethiopian highland Vertisols
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 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 1992

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

This paper reports on studies of Faidherbia albida trees and their effects on some properties of vertisols in the Ethiopian highlands. The study was carried at the experiment station of ILCA at Debre Zeit with 850 mm rainfall and at an altitude of 1850 m. Studies on the lateral and vertical influ...

Enlace original: https://cgspace.cgiar.org/handle/10568/28156

Investigación en Agricultura
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Kamara, C.S. ,  Haque, I. ,  [Faidherbia albida and its effects on Ethiopian highland Vertisols] ,  Faidherbia albida and its effects on Ethiopian highland Vertisols
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 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
Working Paper 1991

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

Reports concentrations of primary and secondary nutrients in the dry matter that were harvested at various times and the removal of the nutrients from an upland soil in the Ethiopian highland in part III. Part IV deals with the concentration and uptake of Na, Mn, Cu, Zn and Fe from the dry matter...

Enlace original: https://cgspace.cgiar.org/handle/10568/4360

Investigación en Agricultura
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Kamara, C.S. ,  Haque, I. ,  [Intercropping maize & forage type cowpeas in the Ethiopian highlands: III. Concentration, macronutrient yields and crop residue quality. IV. Concentration, micronutrient yields and crop residue quality] ,  Intercropping maize & forage type cowpeas in the Ethiopian highlands: III. Concentration, macronutrient yields and crop residue quality. IV. Concentration, micronutrient yields and crop residue quality
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 1990

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

Cereal-legume intercrops are quite common in sub-Saharan Africa. However, most of the research in this area has concentrated on grain legumes or pasture grass-legume mixtures. More recently, attention has been called to the integration of forage legumes with livestock production. While it is know...

Enlace original: https://cgspace.cgiar.org/handle/10568/28472

Investigación en Agricultura
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Nnadi, L.A. ,  Haque, I. ,  [Performance of forage legume-maize intercrops on an upland soil of Ethiopian highlands] ,  Performance of forage legume-maize intercrops on an upland soil of Ethiopian highlands

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