August 2009

The impact of municipal solid waste disposal in Ado-Ekiti metropolis, Ekiti-State, Nigeria

  Soil samples from four public waste dump sites (three samples from each location at 10 m interval) and plant sample (root and leave) from Igbaletere dump site were analyzed for heavy metals such as Cu, Mn, Fe, Cr, Pb, Co, Zn and Ni. On the average, high concentrations of Cu, Mn, Fe, Pb, and Zn were found in the soil samples collected at the centre of the dump sites that is, 231.55, 292.03, 158.55 and 205.40...

Author(s): S. O. Adefemi and E. E. Awokunmi

August 2009

Effects of cattle and poultry manures on organic matter content and adsorption complex of a sandy soil under cassava cultivation (Manihot esculenta Crantz.)

This study examined the A and B horizons of deep, developed and moderately unsaturated sandy ferrallitic soils amended with cattle and poultry manures under cassava (Manihot esculenta Crantz) cultivation. Therefore, a plot experiment was carried out by using a randomized complete blocks design in 4 replications and fields treatments which included unfertilized (control) and one dose (10 t/ha) of both manures. The study...

Author(s): S. Bakayoko, D. Soro, C. Nindjin, D. Dao, A. Tschannen, O. Girardinand A. Assa

August 2009

Field evidence of occurrence of groundwater in Gombe formation around Barambu and Gedawo, Northeastern Nigeria

  The study area lies within the Upper Benue Trough South of Gombe town. Field study was carried out by methods of compass traversing and traversing along stream courses. Gombe formation, exposing 3 sandstone lithofacies comprising the upper, middle and lower members, in this part of the Trough, has a thickness of about 63 m. 2 aquiferous zones occur in the formation. The upper aquifer is found towards the...

Author(s): Abdullahi Emmanuel Bala

August 2009

Impacts of climate change, variability and adaptation strategies on agriculture in semi arid areas of Tanzania: The case of Manyoni District in Singida Region, Tanzania

  A study was carried in two villages of Kamenyanga and Kintinku of Manyoni District, central Tanzania. The overall objective of this study was to understand local communities’ perceptions on climate and variability issues and establish its impacts and adaptation strategies within agricultural sector. Both secondary and primary were used. Primary data were obtained using different Participatory Research...

Author(s): M. A. Lema and A. E. Majule