Search Results - "Tossah, B. K"

Assessment of nutrient deficiencies in maize in nutrient omission trials and long-term field experiments in the West African Savanna by Nziguheba, G, Tossah, B. K, Diels, J, Franke, A. C, Aihou, K, Iwuafor, E. N. O, Nwoke, C, Merckx, R

“…Low soil fertility is one of the main constraints to crop production in the West African savanna. However, the response of major cereals to fertilizer…”
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Senna siamea trees recycle Ca from a Ca-rich subsoil and increase the topsoil pH in agroforestry systems in the West African derived savanna zone by Vanlauwe, B, Aihou, K, Tossah, B.K, Diels, J, Sanginga, N, Merckx, R

“…The functioning of trees as a safety-net for capturing nutrients leached beyond the reach of crop roots was evaluated by investigating changes in exchangeable…”
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Maize Yield as Affected by Organic Inputs and Urea in the West African Moist Savanna by Vanlauwe, B., Aihou, K., Aman, S., Iwuafor, E. N. O., Tossah, B. K., Diels, J., Sanginga, N., Lyasse, O., Merckx, R., Deckers, J.

“…Nutrient depletion is a major constraint to crop production for moist savanna soils, and inputs of nutrients are required to overcome this constraint. The…”
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Nitrogen and phosphorus uptake by maize as affected by particulate organic matter quality, soil characteristics, and land-use history for soils from the West African moist savanna zone by VANLAUWE, B, AIHOU, K, AMAN, S, TOSSAH, B. K, DIELS, J, LYASSE, O, HAUSER, S, SANGINGA, N, MERCKX, R

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Root distribution of Senna siamea grown on a series of derived-savanna-zone soils in Togo, West Africa by VANLAUWE, B, AKINNIFESI, F. K, TOSSAH, B. K, LYASSE, O, SANGINGA, N, MERCKX, R

“…Although crucial for assessing the functioning of alley cropping systems, quantitative information related to the hedgerow tree root distribution remains…”
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Leaf quality of selected hedgerow species at two canopy ages in the derived savanna zone of West Africa by VANLAUWE, B, AIHOU, K, AMAN, S, TOSSAH, B. K, DIELS, J, SANGINGA, N, MERCKX, R

“…Prunings in hedgerow intercropping systems are a potential source of organic matter and their quality is an important characteristic driving decomposition and…”
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Alley cropping in the moist savanna of West-Africa: III. Soil organic matter fractionation and soil productivity by Vanlauwe, B. (International Inst. of Tropical Agriculture, Ibadan (Nigeria). Soil Microbiology Unit), Aman, S, Aihou, K, Tossah, B.K, Adebiyi, V, Sanginga, N, Lyasse, O, Diels, J, Merckx, R

“…In cropping systems with limited amounts of external inputs, the soil organic matter pool (SOM) may contribute significantly to plant nutrition. The impact of…”
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Alley cropping in the moist savanna of West-Africa: II. Impact on soil productivity in a North-to-South transect in Togo by Tossah, B.K. (Institut National des Sols, Lome (Togo).), Zamba, D.K, Vanlauwe, B, Sanginga, N, Lyasse, O, Diels, J, Merckx, R

“…The moist savanna of West-Africa is characterized by a wide range of climates and soil types. The impact of the biophysical environment on hedgerow N uptake,…”
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Alley Cropping in the Moist Savanna of West-Africa III. Soil Organic Matter Fractionation and Soil Productivity by Vanlauwe, B, Aman, S, Aihou, K, Tossah, B K, Adebiyi, V, Sanginga, N, Lyasse, O

“…Nitrogen concentration and the size of the particulate organic matter pool were determined as a function of organic inputs and soil characteristics for a range…”
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Alley Cropping in the Moist Savanna of West-Africa: II. Impact on Soil Productivity in a North-to-South Transect in Togo by Tossah, B K, Zamba, D K, Vanlauwe, B, Sanginga, N, Lyasse, O, Diels, J, Merckx, R

“…Trials were established along a north-to-south transect in Togo to assess nitrogen accumulation and wood production of selected tree species and to evaluate…”
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Options for increasing P availability from low reactive phosphate rock by Lyasse, O, Tossah, B. K, Vanlauwe, B, Diels, J, Sanginga, N, Merckx, R

“…This paper discusses two hypotheses: (i) in-situ interaction of decomposing organic amendments and phosphate rock (PR) could enhance P availability; and (ii)…”
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