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The main objective of this study was to examine costs, returns and efficiency levels associated with the activities of key players in the grain legume marketing chain in northern Ghana. A total of 140 market participants comprising 93 retailers, 39 wholesalers and eight (8) assemblers/aggregators...


Aidoo, R.Mensah, J.Opoku, A.Abaidoo, R.C.[Assessing the performance of the grain legume marketing system in northern Ghana]Assessing the performance of the grain legume marketing system in northern Ghana

The diversity of arbuscular mycorrhizal (AM) fungi in soils under a yam cropping system in four agroecologies of Nigeria was investigated. Soil samples were collected from yam fields at Onne (humid forest, high rainfall area), Ibadan (derived savanna), Abuja (Guinea savanna) and Ubiaja (humid for...


Dare, M.O.Abaidoo, R.C.Fagbola, O.Asiedu, Robert[Diversity of arbuscular mycorrhizal fungi in soils of yam (Dioscorea spp.) cropping systems in four agroecologies of Nigeria]Diversity of arbuscular mycorrhizal fungi in soils of yam (Dioscorea spp.) cropping systems in four agroecologies of Nigeria
Gane, J.Bakang, J.A.Takyi, H.Obiri-Danso, K.Abaidoo, R.C.[Wastewater irrigation and perceptions in urban and periurban Kumasi Ghana]Wastewater irrigation and perceptions in urban and periurban Kumasi Ghana

Low concentrations of P and organic manure in savanna soils limit cowpea response to rhizobia. The study was conducted to determine the combined effect of P and organic manure on cowpea response to rhizobia in a factorial experiment arranged in randomized complete block design with three replicat...


Ulzen, J.Abaidoo, R.C.Ewusi-Mensah, N.Masso, C.[Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea]Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea

Reliable information on the persistence of rhizobium in soil in the absence of host between growing periods is important in deciding whether inoculation on the same plot in subsequent seasons is necessary. This study determined the survival of introduced rhizobium strains and predominant factors ...


Ulzen, J.Abaidoo, R.C.Masso, C.Owusu-Ansah, E.D.J.Ewusi-Mensah, N.[Is there a need for Bradyrhizobium yuanmingense and B. japonicum reinoculation in subsequent cropping seasons under smallholder farmers' conditions?]Is there a need for Bradyrhizobium yuanmingense and B. japonicum reinoculation in subsequent cropping seasons under smallholder farmers' conditions?

Freely nodulating soybean genotypes vary in their phosphorus (P) uptake and P-use efficiency (PUE) in low-P soils. Understanding the genetic basis of these genotypes’ performance is essential for effective breeding. To study the inheritance of PUE, we conducted crosses using two high-PUE genotype...


Uzokwe, Veronica N.E.Asafo-Adjei, B.Fawole, B.Abaidoo, R.C.Odeh, I.Ojo, D.K.Dashiell, Kenton E.Sanginga, Nteranya[Generation mean analysis of phosphorus-use efficiency in freely nodulating soybean crosses grown in low-phosphorus soil]Generation mean analysis of phosphorus-use efficiency in freely nodulating soybean crosses grown in low-phosphorus soil

This chapter shows results obtained from analyzing samples of vegetables taken at the farm gate and from selling points in Accra, Kumasi and Tamale. Microbiological data are based on a total of about 1,500 vegetable samples taken from different sampling points along the vegetable distribution ...


Amoah, PhilipLente, I.Asem-Hiablie, S.Abaidoo, R.C.[Quality of vegetables in Ghanaian urban farms and markets]Quality of vegetables in Ghanaian urban farms and markets

Contamination levels of water and crops which exceed common standards are only a first indication of human health risks. This chapter shows estimates of human health risks from consumption of wastewater-irrigated vegetables based for example on dose-response modeling. The chapter focuses on hum...


Drechsel, PayKeraita, Bernard N.Seidu, R.Abaidoo, R.C.[Human health risks from wastewater-irrigated vegetable farming]Human health risks from wastewater-irrigated vegetable farming

Information on the inter- and intra-specific variability in the acquisition and utilization of phosphorus (P) by promiscuous soybean genotypes under low-P conditions can be helpful in the short-term management of soil P availability. Thirteen promiscuous soybean genotypes were evaluated in a low-...


Nwoke, O.C.Okogun, JASanginga, NteranyaDiels, J.Abaidoo, R.C.Osonubi, O.[Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop]Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop

Soil nutrient constraints coupled with erratic rainfall have led to poor crop yields and occasionally to crop failure in sole cropping in the Guinea savanna of West Africa. We explored different maize-grain legume diversification and intensification options that can contribute to mitigating risks...


Kermah, M.Franke, A.C.Ahiabor, B.D.K.Adjei-Nsiah, SamuelAbaidoo, R.C.Giller, Ken E.[Legume-maize rotation or relay? Options for ecological intensification of smallholder farms in the Guinea Savanna of northern Ghana]Legume-maize rotation or relay? Options for ecological intensification of smallholder farms in the Guinea Savanna of northern Ghana

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