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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...


Haque, I.Jutzi, S.C.[Nitrogen fixation by forage legumes in sub-Saharan Africa: Potential and limitations]Nitrogen fixation by forage legumes in sub-Saharan Africa: Potential and limitations
Autor: Haque, I.

Summarises the role of molybdenum in soils and plants and its potential importance in livestock nutrition in sub-Saharan Africa. Discusses the functions of molybdenum in plants and animals, diagnosis including deficiency symptoms, soil testing & leaf analysis, molybdenum content of soils, factors...


Haque, I.[Molybdenum in soils and plants and its potential importance to livestock nutrition, with special reference to sub-Saharan Africa]Molybdenum in soils and plants and its potential importance to livestock nutrition, with special reference to sub-Saharan Africa

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.


Nnadi, L.A.Haque, I.[Forage legumes in African crop-livestock production systems]Forage legumes in African crop-livestock production systems

Summarises available information on bulk density and porosity, soil moisture infiltration, N, P and mineralogy. Literature on the phosphorus (P) status of soils, P nutrition of forage legumes and crops, mycorrhizal and P nutrition, species and varietal variation in response to P, P sorption isoth...


Haque, I.Mamo, T.Astatke, A.[Nutrients and soil surface management on highland vertisols of Ethiopia]Nutrients and soil surface management on highland vertisols of Ethiopia
Haque, I.Amare, T.[Abstracts/Summaries of publications of Soil Science & Plant Nutrition Section: 1984-1991 Revised]Abstracts/Summaries of publications of Soil Science & Plant Nutrition Section: 1984-1991 Revised
Autor: Haque, I.

The paper is divided into two parts. The first part deals with the maitenance of soil productivity under population pressure, and the second part covers research themes and approaches for maintaining soil productivity in crop-livestock systems. Part one discusses project activities including char...


Haque, I.[Soil resource management in mixed crop-livestock systems of East and Central African highlands: Research agenda and approaches]Soil resource management in mixed crop-livestock systems of East and Central African highlands: Research agenda and approaches

Presents papers on the potentials of forage legumes in farming systems of sub-Saharan Africa and other parts of the world. Examines nutrient and water constraints to legume growth. Reviews the role of forage legumes in production systems. Includes recommendations for future research.


Haque, I.Jutzi, S.C.Neate, Paul J.H.[Potentials of forage legumes in farming systems of sub-Saharan Africa. Proceedings of a workshop]Potentials of forage legumes in farming systems of sub-Saharan Africa. Proceedings of a workshop

Presents results of a study on the physical and chemical properties of soils at the Melka Sede irrigated state farm and the IAR Melka Werer Research Centre in the Hararghe region of Ethiopia conducted to assess the nutrient and water status and extent of salt affected soils.


Kamara, C.S.Haque, I.[Characteristics of lowland soils of Melka Sede state farm and Melka Werer Research Centre in the Harerge region of Ethiopia]Characteristics of lowland soils of Melka Sede state farm and Melka Werer Research Centre in the Harerge region of Ethiopia
Kamara, C.S.Haque, I.[Physical properties of Vertisols and their implications for management: A review]Physical properties of Vertisols and their implications for management: A review

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