Search Results - "Carsky, R. J."

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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Nitrogen use efficiency by maize as affected by a mucuna short fallow and P application in the coastal savanna of West Africa by Fofana, B., Tamélokpo, A., Wopereis, M. C. S., Breman, H., Dzotsi, K., Carsky, R. J.

“…Maize is the primary food crop grown by farmers in the coastal savanna region of Togo and Benin on degraded (rhodic ferralsols), low in soil K-supplying…”
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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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Integrated soil management for the savanna zone of W. Africa: legume rotation and fertilizer N by Carsky, R J, Oyewole, B, Tian, G

“…Integrated soil management with leguminous cover crops was studied at two sites in the northern Guinea savanna zone of northern Nigeria, Kaduna (190 day…”
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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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Contribution of Early Season Cowpea to Late Season Maize in the Savanna Zone of West Africa by Carsky, R. J., Singh, B. B., Oyewole, B.

“…In the moist savanna zone with a 180 to 190 day growing period, early season cowpea immediately followed by a late season cereal crop can maximize the benefit…”
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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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Effect of phosphorus application in legume cover crop rotation on subsequent maize in the savanna zone of West Africa by Carsky, R J, Oyewole, B, Tian, G

“…The benefit of planted fallow with legume cover crops may be limited on P deficient soil. A trial was conducted at two P deficient sites in northern Nigeria to…”
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Adoption of improved fallows in West Africa: lessons from mucuna and stylo case studies by Tarawali, G, Manyong, V M, Carsky, R J, Vissoh, P V, Osei-Bonsu, P, Galiba, M

“…Traditional shifting cultivation systems can no longer be sustained in West Africa because of rapid increases in human and livestock populations…”
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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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Reduction of Striga hermonthica parasitism on maize using soybean rotation by Carsky, R. J., Berner, D. K., Oyewole, B. D., Dashiell, K., Schulz, S.

“…Striga hermonthica is a serious parasite of cereals in most of the semi-arid savanna zone of West Africa, causing substantial yield loss. It has been observed…”
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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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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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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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