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Articles by A. Raji
Total Records ( 3 ) for A. Raji
  A.A. Tafida , A.A. Adebayo , M. Galtima , A. Raji , M. Jimme and C.T. John
  Rural communities in Nigeria have suffered some neglect in terms of development over the years. Most of these communities are isolated and the community members are dependent mostly on the natural resource base for their survival and well-being. Fishing communities in Kainji Lake Basin (KLB) are not exceptional to that fact and their major resource base (fishery) is fast depleting due to poor management and over exploitation. The effect of resource decline does not only stop at poor catch but translates to poor income and poor well-being of fishing households. Livelihood diversification has been identified as a good option that lessens vulnerability, enhance well-being and improve rural economy. This study highlights the contributions of various livelihood activities and the best activity combination from empirical data collected from 30 fishing communities selected from 297 communities using stratification technique. Production function model and descriptive statistics were used for the analysis.
  A.S. Fasina , A. Raji , G.A. Oluwatosin , O.J. Omoju and D.A. Oluwadare
  Soils derived from some parent materials in South-Western Nigeria covering 219,580 ha of land were mapped at a scale of 1:50,000 using a combination of conventional and remote sensing methods of soil survey. The aim is to generate detailed information on the properties, genesis and land characteristics of these soils for their sustainable use and management. Seven soil series were identified and classified (Kulfo series, Typic Paleudalf; Ibeshe series, Typic Rhodudalf; Idesan Series, Fluventic Eutrudept; Iweke Series, Typic Udipsamment; Alagba Series, Typic Haphudalf; Ondo Series, Typic Ferrudalf and Fago Series, Typic Plinthudult). Soils of Ondo and Fagbo series contain a lot of iron manganese concretions, quartz stones and gravels. The soils are very strongly acidic (4.50) to moderately acidic (5.70). The soils have moderately low inherent natural fertility with low exchange basic cations (Ca, Mg, K, Na), organic carbon, cation exchange capacity, total nitrogen but moderate to high micro-nutrients (Cu, Fe, Mn and Zn). Soils of the sedimentary origin (Alagba, Iweke, Idesan, Kulfo and Ibeshe) were observed to be more fertile and more variable in soil properties than those derived from the basement complex (Ondo and Fagbo series). Dominant pedogenic processes which influence the rate of soil development within the study area include hydrolytic weathering, lessivation, plinthization, pedoturbation, braunification, induration, leaching, erosion and colluvial deposition. The soils were classified into land capability classes. Only four (I, II, III and IV) out of the eight capability classes were encountered. Recommendations for sustainable use and management of these soils are discussed.
  J.C. Nnaji , C.T. Madu and A. Raji
  An experiment was conducted between August and November, 2008 at Wuya-Bida to determine the profitability of integrating fish culture into rice farming. Two treatments (mono-rice and rice-fish) in triplicate were used. The area of each plot was 144 m2 and the mono-rice plots consisted of only rice farming while the rice-fish plots had rice farming incorporated with the raising of Oreochromis niloticus and Clarias gariepinus fingerlings. The fish were fed with compounded feed and wheat offal and at the end of the experimental period of 60 days, O. niloticus fingerlings had a mean weight gain of 47.60±1.86 g in the rice-fish plots while C. gariepinus fingerlings had a mean weight gain of 110.80±2.92 g. C. gariepinus fingerlings performed better than O. niloticus fingerlings. Values for physicochemical parameters showed that both pH and dissolved oxygen were outside the favourable limits (pH: 6.5-9, DO: >5 mg L-1) recommended for warm water aquaculture in the rice-fish plots. Cost-benefit analysis showed that the integration of fish into the rice system confers substantial profitability on the system going from the production, total and net income differences between mono-rice and rice-fish plots. However, cost-benefit ratio of the mono-rice plots was slightly better than that of the rice-fish plots.
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