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Yusuf, A.A.Iwuafor, E.N.O.Abaidoo, R.C.Olufajo, O.O.Sanginga, Nteranya[Grain legume rotation benefits to maize in the northern Guinea savanna of Nigeria : Fixed-nitrogen versus other rotation effects]Grain legume rotation benefits to maize in the northern Guinea savanna of Nigeria : Fixed-nitrogen versus other rotation effects
Amponsah-Doku, F.Obiri-Danso, K.Abaidoo, R.C.Andoh, L.A.Drechsel, PayKonradsen, Flemming[Bacterial contamination of lettuce and associated risk factors at production sites markets and street food restaurants in urban and peri-urban Kumasi Ghana]Bacterial contamination of lettuce and associated risk factors at production sites markets and street food restaurants in urban and peri-urban Kumasi Ghana

The effects of nitrogen (N) rate and weed interference on the grain yield of four corn genotypes were investigated in 2002 and 2003 at Ikenne (7u389N, 3u429E), Shika (11u119N, 7u389E), and Samaru (10u249N, 7u429E) in Nigeria. Nitrogen (N) at 0, 30, 60, and 90 kg N ha21 were the main plot treatmen...


Chikoye, D.Lum, A.F.Abaidoo, R.C.Menkir, A.Kamara, A.Ekeleme, F.Sanginga, Nteranya[Response of corn genotypes to weed interference and nitrogen in Nigeria]Response of corn genotypes to weed interference and nitrogen in Nigeria

Historical and recent aerial photograph and satellite images were analysed to study the change of land use/land cover and soil degradation in different agroecological zones of Nigeria and Benin. The sites were characterized by an expansion of farmland at the expense of forest and shrub, fallow an...


Junge, B.Alabi, T.Sonder, KaiMarcus, S.Abaidoo, R.C.Chikoye, D.Stahr, Karl[Use of remote sensing and GIS for improved natural resources management: case study from different agroecological zones of West Africa]Use of remote sensing and GIS for improved natural resources management: case study from different agroecological zones of West Africa

Soybean can contribute to soil N, which may partly be used to improve maize production in northeast Nigeria. However, the efficiency of soybean to fix N can be limited by soil P deficiency. This study evaluated the effect of P application and soybean cultivars on dry matter and grain yield of sub...


Kamara, A.Y.Kwari, J.Ekeleme, F.Omoigui, L.O.Abaidoo, R.C.[Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north eastern Nigeria]Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north eastern Nigeria

Soil fertility management systems (SFMS) can influence the community structure of arbuscular mycorrhizal fungi (AMF). Hence, long-term SFMS was studied. The SFMS comprised three legume combinations, urea application and solely maize as control. Spores were extracted by wet sieving, characterized ...


Emmanuel, B.Fagbola, O.Abaidoo, R.C.Osonubi, O.Oyetunji, O.[Abundance and distribution of Arbuscular mycorrhizal fungi species in longterm soil fertility management systems in northern Nigeria]Abundance and distribution of Arbuscular mycorrhizal fungi species in longterm soil fertility management systems in northern Nigeria

Integrated soil fertility management (ISFM) involving a nitrogen-fixing grain legume, limited chemical fertilizer, and a resilient rice variety may reduce the rate of soil fertility loss and enhance rice productivity in fragile upland rice ecosystems. A 2-year, on-farm study was carried out at Eg...


Oikeh, S.O.Houngnandan, P.Abaidoo, R.C.Rahimou, I.Touré, A.Niang, A.Akintayo, I.[Integrated soil fertility management involving promiscuous dualpurpose soybean and upland NERICA enhanced rice productivity in the savannas]Integrated soil fertility management involving promiscuous dualpurpose soybean and upland NERICA enhanced rice productivity in the savannas

Biological nitrogen fixation (BNF) potential of 12 soybean genotypes were evaluated in condition of low and sufficient supply in two acid soils of southern Cameroon. The P sources were Togolese phosphate rock (PR) and triple super phosphate (TSP). The experiment was carried out during two consecu...


Jemo, M.Nolte, C.Tchienkoua, M.Abaidoo, R.C.[Biological nitrogen fixation potential by soybeans at two lowP soils of southern Cameroon]Biological nitrogen fixation potential by soybeans at two lowP soils of southern Cameroon

Three inoculation trials with soybean, cowpea and groundnut were conducted on Eutric Cambisols (EC) and Rhodic Nitisols (RN) in a greenhouse. Five rhizobial inoculants: MAR 1495, TSBF Mixture, Legumefix, HiStick and IRJ 2180A were tested on each crop to determine their response to soil type and a...


Aliyu, I.Yusuf, A.A.Abaidoo, R.C.[Response of grain legumes to rhizobial inoculation in two savanna soils of Nigeria]Response of grain legumes to rhizobial inoculation in two savanna soils of Nigeria

Two varieties of soybean (Glycine max (L.) Merr.) and a maize (Zea mays L.) control crop were grown in replicated trials at 10 sites in the Guinea savana of Nigeria in 1993 followed by a test crop of maize in 1994 with 20 or 60 kg N ha-1 to test effect of soybean on subsequent maize grain yield. ...

Deux varietes de soya (Glycine max (L) Merr.) et une varietede mas (Zea mays L.) en temps que temoin ont ete cultivees en essais repliques sur 10 sites dans la savane Guineenne du Nigeria en 1993. Ces cultures ont ete suivies d'une culture-test de mais en 1994 avec 20 ou 60 kg N ha-1. L'augmentat...


Carsky, R.Abaidoo, R.C.Dashiell, Kenton E.Sanginga, N.[Effect of soybean on subsequent maize grain yield in the Guinea savanna zone of West Africa]Effect of soybean on subsequent maize grain yield in the Guinea savanna zone of West Africa

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