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In Niger, farmers rely largely on organic resources such as manure and compost to address soil fertility problems and improve crop production. Ironically, they do not improve the fertilizer value of these organic resources or take into account their decomposition and nutrient release patterns bef...


Abdou, G.Ewusi-Mensah, N.Nouri, M.Tetteh, F.M.Safo, E.Y.Abaidoo, R.C.[Nutrient release patterns of compost and its implication on crop yield under Sahelian conditions of Niger]Nutrient release patterns of compost and its implication on crop yield under Sahelian conditions of Niger

Bos, R.Mara, D.Bahri, AkissaJiménez, B.Stenstrom, T.A.Huibers, F.Redwood, M.Kinane, M.Hamilton, A.Murray, A.Nelson, K.Abaidoo, R.C.Raschid-Sally, LiqaTiongco, M.M.Razak, S.Ensink, J.Amerasinghe, Priyanie H.Kone, D.Drechsel, PayMoe, C.Buckley, C.Niang, S.Scott, C.Amoah, PhilipDalahmeh, S.Cissé, G.Kone, B.LeJeune, J.Karg, H.Keraita, Bernard N.Evans, Alexandra E.V.Zwane, A.Silverman, A.Armstrong, J.Awadzi, D.Cofie, Olufunke O.Schoeffler, M.Rooijen, Daniel J. vanMensah, Ernest Abraham[Accra Consensus: Agenda for Research, Capacity Building and Action on the Safe Use of Wastewater and Excreta in Agriculture]Accra Consensus: Agenda for Research, Capacity Building and Action on the Safe Use of Wastewater and Excreta in Agriculture

Herbicides applied to combat weeds and increase crop yields may also have undesired effects on beneficial soil microorganisms. Field studies were conducted in 2005 and 2006 in Zaria, Nigeria, to evaluate the response of weeds and soil microorganisms to imazaquin applied at 0.05, 0.10, 0.20 an...


Chikoye, D.Abaidoo, R.C.Fontem, Lum. A.[Response of weeds and soil microorganisms to imazaquin and pendimethalin in cowpea and soybean]Response of weeds and soil microorganisms to imazaquin and pendimethalin in cowpea and soybean

Irrigation using untreated wastewater poses health risks to farmers and consumers of crop products, especially vegetables. With hardly any wastewater treatment in Ghana, a multiple-barrier approach was adopted and safe re-use practices were developed through action research involving a number of ...


Keraita, Bernard N.Abaidoo, R.C.Beernaerts, InesKoo-Oshima, SashaAmoah, PhilipDrechsel, PayKonradsen, Flemming[Safe re-use practices in wastewater-irrigated urban vegetable farming in Ghana.]Safe re-use practices in wastewater-irrigated urban vegetable farming in Ghana.

Soybean yields on smallholder farms in sub-Sahara Africa (SSA) are far below the potential yield thus creating a huge yield gap. Interventions are thus needed to bridge this yield gap and ascertain the factors influencing the yield variation. This study evaluated the on farm response of soybean t...


Ulzen, J.Abaidoo, R.C.Ewusi-Mensah, N.Masso, C.[On-farm evaluation and determination of sources of variability of soybean response to Bradyrhizobium inoculation and phosphorus fertilizer in northern Ghana]On-farm evaluation and determination of sources of variability of soybean response to Bradyrhizobium inoculation and phosphorus fertilizer in northern Ghana

Soils of many potential soybean fields in Africa are characterized by low levels of biological nitrogen fixation (BNF) activities and often cannot support high soybean yields without addition of inorganic N fertilizers or external application of soybean rhizobia. The most probable number (MPN) te...


Abaidoo, R.C.Keyser, H.Singleton, P.Dashiell, Kenton E.Sanginga, Nteranya[Population size, distribution, and symbiotic characteristics of indigenous Bradyrhizobium spp. that nodulate TGx soybean genotypes in Africa]Population size, distribution, and symbiotic characteristics of indigenous Bradyrhizobium spp. that nodulate TGx soybean genotypes in Africa
Abaidoo, R.C.Nwoke, CPypers, PieterDiels, J.Kolawole, G.O.[Evaluation of shoot and root traits for identifying P-use efficient soybean genotypes]Evaluation of shoot and root traits for identifying P-use efficient soybean genotypes
Keraita, Bernard N.Konradsen, FlemmingDrechsel, PayAbaidoo, R.C.[Effect of low-cost irrigation methods on microbial contamination of lettuce irrigated with untreated wastewater]Effect of low-cost irrigation methods on microbial contamination of lettuce irrigated with untreated wastewater
Keraita, Bernard N.Konradsen, FlemmingDrechsel, PayAbaidoo, R.C.[Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting]Reducing microbial contamination on wastewater-irrigated lettuce by cessation of irrigation before harvesting

Root characteristics associated with phosphorus (P) uptake under limiting soil-P conditions were examined in two sets of greenhouse experiments. Average diameter and length of soybean, cowpea, maize and sorghum roots were assessed after 7 weeks in three low-P soils amended with P fertilizer at 0,...


Nwoke, O.C.Diels, J.Abaidoo, R.C.Nziguheba, GeneroseMerckx, R.[Organic acids in the rhizosphere and root characteristics of soybean (Glycine max) and cowpea (Vigna unguiculata) in relation to phosphorus uptake in poor savanna soils]Organic acids in the rhizosphere and root characteristics of soybean (Glycine max) and cowpea (Vigna unguiculata) in relation to phosphorus uptake in poor savanna soils

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