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Arbuscular mycorrhizal (AM) fungi are well known phyto-stimulators of various growth processes of its symbiotic plants. Semi-controlled experiments were conducted in large container cultured cassava to investigate the influence of AM inoculation and water stress on leaf chlorophyll production fro...


Ekanayake, I.J.Oyetunji, O.J.Osonubi, O.Lyasse, O.[Effects of arbuscular mycorrhizal fungi and water stress on leaf chlorophyll production of cassava (Manihot esculenta Crantz)]Effects of arbuscular mycorrhizal fungi and water stress on leaf chlorophyll production of cassava (Manihot esculenta Crantz)

The potential of alley cropping systems supplied with a limited amount of fertilizer to restore crop productivity on a degraded site and to maintain crop productivity on a recently cleared, non-degraded site on ‘terre de barre' soils in Southern Bénin was investigated from 1994 to 1996. Leucaena ...


Aihou, K.Sanginga, N.Vanlauwe, BernardLyasse, O.Diels, J.Merckx, R.[Alley cropping in the moist savanna of West Africa I. Restoration and maintenance of soil fertility on terre de barre soils in Benin Republic]Alley cropping in the moist savanna of West Africa I. Restoration and maintenance of soil fertility on terre de barre soils in Benin Republic

Cassava (Manihot esculenta Crantz) is an important starchy food crop in the inland valley ecosystem areas in West Africa where harvesting and marketing infrastructure is not optimal and postharvest losses are high. An attempt was therefore made to assess the genotypic variability of physiological...


Ekanayake, I.J.Lyasse, O.[Genotypic variations in physiological deterioration of cassava (Manihot esculenta Crantz) storage roots under inland valley conditions]Genotypic variations in physiological deterioration of cassava (Manihot esculenta Crantz) storage roots under inland valley conditions

A synthesis of results from the savanna zone of West Africa suggests that cowpea rotation can be considered to be an effective resource management technology in cereal-based systems. Part of the N requirement of cereal crops can be satisfied by cowpea crop rotation. Furthermore, benefits of cowpe...


Carsky, J.R.Vanlauwe, BernardLyasse, O.[Cowpea rotation as a resource management technology for cerealbased systems in the savannas of West Africa]Cowpea rotation as a resource management technology for cerealbased systems in the savannas of West Africa

The impact of land use (unfertilized continuous maize cropping, unfertilized and fertilized alley cropping with maize, Gliricidia sepium tree fallow, natural fallow) on the soil organic matter (SOM) status and general soil fertility characteristics were investigated for a series of soils represen...


Vanlauwe, BernardAihou, K.Tossah, S.Aman, B.K.Diels, J.Lyasse, O.Hauser, S.Sanginga, P.Merckx, R.[Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and landuse history for soils from the West African moist savanna zone]Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and landuse history for soils from the West African moist savanna zone

Data from the derived savanna zone in southern Benin indicated that some intensive cropping systems (maize/Cajanus and maize/Mucuna relays; maize/cotton with Senna siamea hedgerows) returned about 12 Mg DM ha-1 year-1 of plant biomass to the soil. This compared favorably with the 8 Mg DM ha-1 yea...


Diels, J.Lyasse, O.Sanginga, N.Vanlauwe, BernardAihou, K.Iwuafor, E.N.O.Merckx, R.Deckers, J.[Options for soil organic carbon maintenance under intensive cropping in the West African savanna]Options for soil organic carbon maintenance under intensive cropping in the West African savanna

Sustainable resource management is the critical agricultural research and development challenge in sub-Saharan Africa. The accumulated knowledge on soil management gathered over the last 10 years, combined with solid crop improvement and plant health research at farmers’ level, has brought us to ...


Sanginga, NteranyaDashiell, Kenton E.Diels, J.Vanlauwe, BernardLyasse, O.Carsky, R.J.Tarawali, Shirley A.Asafo-Adjei, B.Menkir, A.Schulz, S.Singh, B.B.Chikoye, D.Keatinge, D.Ortiz, R.[Sustainable resource management coupled to resilient germplasm to provide new intensive cereal-grain-legume-livestock systems in the dry savanna.]Sustainable resource management coupled to resilient germplasm to provide new intensive cereal-grain-legume-livestock systems in the dry savanna.

Integrated natural resource management (INRM) is considered in the context of evolving crop-livestock systems in West Africa and recent Developments in approaches for INRM research. The major crop-livestock systems, ranging from extensive grazing, through integrated crop-livestock farming to inte...


Tarawali, Shirley A.Keatinge, J.D.H.Powell, J.M.Hiernaux, Pierre H.Y.Lyasse, O.Sanginga, Nteranya[Integrated natural resource management in West African crop-livestock systems]Integrated natural resource management in West African crop-livestock systems

Nutrient depletion is a major constraint to crop production for moist savanna soils, and inputs of nutrients are required to overcome this constraint. The impact of sole and combined applications of organic inputs (OIs) [fresh tree prunings, Pueraria phaseoloides (Roxb.) Benth. residues, and manu...


Vanlauwe, BernardAihou, K.Aman, SIwuafor, E.N.O.Tossah, B.K.Diels, J.Sanginga, NteranyaLyasse, O.Merckx, R.Deckers, J.[Maize yield as affected by organic inputs and urea in the West African moist savanna]Maize yield as affected by organic inputs and urea in the West African moist savanna

Degree of VAM colonization and clonal responsiveness are useful selection criteria for improving the clonal adaptation of cassava (Manihot esculenta Crantz) for managing sustainable crop production systems in the tropics. Cultivated clones of cassava were shown to vary in their levels of coloniza...


Ekanayake, I.J.Oyetunji, O.Osonubi, O.Lyasse, O.[Physiological and cultural factors affecting VA mycorrhizae infection and responsiveness in various cassava clones]Physiological and cultural factors affecting VA mycorrhizae infection and responsiveness in various cassava clones

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