Morphology and anatomy of galls in the chlorophora excelsa; use of antitranspirants to delay development and formation of galls

(R) Sociology of African literature, (L) Literature and politics of Nigeria; criticism of African literature

Crop residue utilization

Interaction of culture and philosophy

Analysis of meteorological satellite images

Local government in Nigeria under the new Federal Constitution

Traditional Yoruba theater and black theater in America

Monetization and economic growth in Africa

Physiological activities of compounds in "medicinal" plants.

Soil microbiology: nitrogen transformations, especially nitrogen fixation during organic decay in oil polluted soils