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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...


Haque, I.Abebe, M.Mamo, T.Dibabe, A.[Nutrient management]Nutrient management
Haque, I.[Nutrient management & feed improvement in crop-livestock systems of sub-Saharan Africa: present status and future outlook]Nutrient management & feed improvement in crop-livestock systems of sub-Saharan Africa: present status and future outlook

Alfalfa or lucerne (Medicago sativa L.) is an important forage legume grown extensively in the world. There have been relatively few investigations on the adaptation of alfalfa to soils found in suitable eco-zones in Africa. In the present investigations, twenty accessions were evaluated for tole...


Mugwira, L.M.Haque, I.[Screening forage and browse legumes germplasm to nutrient stress: I. Tolerance of Medicago sativa L. to aluminium and low phosphorus in soils and nutrient solutions]Screening forage and browse legumes germplasm to nutrient stress: I. Tolerance of Medicago sativa L. to aluminium and low phosphorus in soils and nutrient solutions

Sesbania have multifarious utilization, and in many instances growth rate is one of the most important criteria for the selection of suitable Sesbania. This paper reports results of a study on the growth rates of Sesbania on two acid soils both low in available P, but one with toxic levels of Al....


Mugwira, L.M.Haque, I.[Screening forage and browse legumes germplasm to nutrient stresses: IGrowth rates of Sesbania as affected by aluminium and low phosphorus in soils and nutrient solutions]Screening forage and browse legumes germplasm to nutrient stresses: IGrowth rates of Sesbania as affected by aluminium and low phosphorus in soils and nutrient solutions

Sesbania, particularly S. sesban species, grow naturally in many parts of Africa where they form natural browse. Productivity of Sesbania as animal feed is widely limited by soil acidity and low In this study, eighteen ILCA accessions of S. sesban and two of S. goetzei, all but two from Africa, w...


Mugwira, L.M.Haque, I.[Screening forage and browse legumes germplasm to nutrient stresses: III. Tolerance of Sesbania to aluminium and low phosphorus in soils and nutrient solution]Screening forage and browse legumes germplasm to nutrient stresses: III. Tolerance of Sesbania to aluminium and low phosphorus in soils and nutrient solution
Haque, I.Amare, T.[Soil science & plant nutrition annual reports: 1983-1990 and projects protocols: 1991-1993]Soil science & plant nutrition annual reports: 1983-1990 and projects protocols: 1991-1993

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

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