Search Results - "Carsky, R.J"

Growth and distribution of maize roots under nitrogen fertilization in plinthite soil by Oikeh, S.O, Kling, J.G, Horst, W.J, Chude, V.O, Carsky, R.J

“…To improve efficiency of soil N and water use in the savanna, maize ( Zea mays L.) cultivars with improved root systems are required. Two rainfed field…”
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Using mucuna and P fertilizer to increase maize grain yield and N fertilizer use efficiency in the coastal savanna of Togo by Fofana, B, Breman, H, Carsky, R.J, Reuler, H. van, Tamelokpo, A.F, Gnakpenou, K.D

“…To reduce severe soil degradation associated with agriculture an intensified land-use system is being promoted in West African countries. Most soils of the…”
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Persistence and effectiveness of rhizobia nodulating promiscuous soybeans in moist savanna zones of Nigeria by Sanging, N., Abaidoo, R., Dashiell, K., Carsky, R.J., Okogun, A.

“…The symbiotic performance of promiscuous soybeans depends upon the population size, effectiveness and survival of indigenous or introduced rhizobia in the…”
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Sustainable resource management coupled to resilient germplasm to provide new intensive cereal–grain–legume–livestock systems in the dry savanna by Sanginga, N, Dashiell, K.E, Diels, J, Vanlauwe, B, Lyasse, O, Carsky, R.J, Tarawali, S, Asafo-Adjei, B, Menkir, A, Schulz, S, Singh, B.B, Chikoye, D, Keatinge, D, Ortiz, R

“…Sustainable resource management is the critical agricultural research and development challenge in sub-Saharan Africa. The accumulated knowledge on soil…”
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Identification of nutrients limiting cassava yield maintenance on a sedimentary soil in southern Benin, West Africa by Carsky, R.J, Toukourou, M.A

“…Market opportunities will drive intensification of cassava production and fertilizer will play a role in this. A trial was initiated on 15 farmers ’ fields…”
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Response of cowpea and soybean to P and K on terre de barre soils in southern Bénin by Carsky, R.J

“…Good growth of grain legumes helps food security and protection of the environment but this may require nutrient inputs. A participatory technology development…”
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Effect of P fertilizer application on N balance of soybean crop in the guinea savanna of Nigeria by Ogoke, I.J, Carsky, R.J, Togun, A.O, Dashiell, K

“…Soybean ( Glycine max (L.) Merr.) is becoming increasingly important in the cereal-based cropping system of the Nigerian Guinea savanna zone and this justifies…”
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Differential N uptake by maize cultivars and soil nitrate dynamics under N fertilization in West Africa by Oikeh, S.O, Carsky, R.J, Kling, J.G, Chude, V.O, Horst, W.J

“…Nitrate is prone to leaching in the sandy soils of the West African moist savannas. Better management of nitrogen (N) resources and maize cultivars with…”
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Utilization of rock phosphate by crops on a representative toposequence in the Northern Guinea savanna zone of Nigeria: response by maize to previous herbaceous legume cropping and rock phosphate treatments by Vanlauwe, B, Diels, J, Sanginga, N, Carsky, R.J, Deckers, J, Merckx, R

“…Mucuna pruriens and Lablab purpureus can immediately benefit from rock phosphate (RP), but as both herbaceous legumes have only limited economic value, these…”
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Utilization of rock phosphate by crops on a representative toposequence in the Northern Guinea savanna zone of Nigeria: response by Mucuna pruriens, Lablab purpureus and maize by Vanlauwe, B., Nwoke, O.C., Diels, J., Sanginga, N., Carsky, R.J., Deckers, J., Merckx, R.

“…The availability of P from rock phosphate (RP) is often too low to demonstrate an immediate impact on cereal production. Legumes may improve the immediate…”
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Soil N balance as affected by soybean maturity class in the Guinea savanna of Nigeria by Singh, A, Carsky, R.J, Lucas, E.O, Dashiell, K

“…Legume–cereal rotation may reduce the fertilizer requirement of the cereal crop and we hypothesize that the benefit depends on the maturity class of the…”
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Response of speargrass ( Imperata cylindrica) to cover crops integrated with handweeding and chemical control in maize and cassava by Chikoye, D, Manyong, V.M, Carsky, R.J, Ekeleme, F, Gbehounou, G, Ahanchede, A

“…Speargrass [ Imperata cylindrica (L.) Raeuschel] is a noxious weed widespread in most tropical zones of the world. Studies were conducted in the savannah of…”
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Arbuscular mycorrhizal fungi respond to rhizobial inoculation and cropping systems in farmers' fields in the Guinea savanna by Sanginga, N, Carsky, R.J, Dashiell, K

“…It has been difficult to explain the rotation effect based solely on N availability in maize-soybean cropping systems in the moist savanna zone of sub-Saharan…”
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Technical and economic evaluation of some Striga control packages in maize in the Nigerian Guinea Savanna by Aliyu, L., Lagoke, S.T.O., Carsky, R.J., Kling, J., Omotayo, O., Shebayan, J.Y.

“…Earlier reports have confirmed the technical feasibility and socio-economic acceptability of some integrated Striga control packages (ISCOPA) at farmers’…”
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Organic Carbon Inputs by Soyabean in the West African Moist Savanna by Ogoke, I.J, Carsky, R.J, Togun, A.O, Dashiell, K

“…This study was carried out to assess the carbon returned in soyabean crop residues as a function of soyabean maturity class and P fertilizer. Three levels of P…”
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Effect of phosphorus fertilizer on soya bean residue turnover in the tropical moist savanna by Ogoke, I.J, Togun, A.O, Carsky, R.J, Dashiell, K

“…The contributions of soya bean (Glycine max) to the maintenance of soil N, organic matter and physical properties in any cropping system is dependent on the…”
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Maturity class and P effects on soya bean grain yield in the moist savanna of West Africa by Ogoke, I.J, Carsky, R.J, Togun, A.O, Dashiell, K.E

“…Field trials were replicated at four sites in the moist savanna ecological zone of West Africa to study the effect of maturity class and phosphorus (P) rate on…”
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Adoption of improved fallows in West Africa: lessons from mucuna and stylo case studies: review by Tarawali, G. (International Inst. of Tropical Agriculture, Ibadan (Nigeria).), Manyong, V.M, Carsky, R.J, Vissoh, P.V, Osei-Bonsu, P, Galiba, M

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Nodulation and estimation of symbiotic nitrogen fixation by herbaceous and shrub legumes in Guinea savanna in Nigeria by Sanginga, N, Wirkom, L.E, Okogun, A, Akobundu, I.O, Carsky, R.J, Tian, G

“…Twelve herbaceous and shrub legume species were grown in pot and field experiments in five sites representing three agroecological zones in moist savanna in…”
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Sustainable resource management coupled to resilient germplasm to provide new intensive cereal–grain–legume–livestock systems in the dry savanna by Sanginga, N, Dashiell, K.E, Diels, J, Vanlauwe, B, Lyasse, O, Carsky, R.J, Tarawali, S, Asafo-Adjei, B, Menkir, A, Schulz, S, Singh, B.B, Chikoye, D, Keatinge, D, Ortiz, R

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