August 2010

Balanites aegyptiaca, a potential tree for parkland agroforestry systems with sorghum in Northern Ethiopia

Balanites aegyptiaca tree is preferred by farmers in Tigray Region of Ethiopia for fuel wood, provision of shade, fodder and as a medicinal plant. This study was conducted to assesssoil properties and sorghum yields on farm fields (Limat, Goblel and Korbebite and Endakeshe), where B. aegyptiaca are traditionally retained. At each site, six...

Author(s): Hailemariam Kassa, Kindeya Gebrehiwet and Charles Yamoah

August 2010

Environmental port management: Conceptual model development and use of tools to evaluate and monitor dredging activities in the Port of Rio Grande, Brazil

This work concerns assessing and monitoring of dredging activities in the Port of Rio Grande, Brazil. The subject is presented to address the major problems related to the dredging process itself and sediment disposal options. From the dredging works carried out in 1998, 2000 and 2003 on the Port of Rio Grande, different data were gathered and used to develop a preliminary conceptual model of this process. The...

Author(s): J. Ronaldo Torres and L. Antônio Philomena

August 2010

Morphogenetic characterization of soils formed from basement complex rock in the humid tropical rainforest of Nigeria

The morphogenetic and physico-chemical properties of four soil units occupying different slope facets on a rolling landscape were studied to understand distribution of soils on a typical landscape. The soil colours range from dark brown to reddish brown (10YR3/3-5YR3/3) in the surface and strong brown (7YR4/6) to yellowish red (5YR5/8) in the sub soil. The texture varies from loam/sandy clay loam in the surface to...

Author(s): O. T. Ande