Sustainable development in Nigeria 's dry belt: Problems and perspectives Author Ologe K.O. (ed) Date 1991 Source IUCN (ID: MON-051067) Publisher | Place of publication Nigerian Environmental Study (NEST) | Ibadan, Nigeria Pages 112 p. Conference name | place | date NEST Annual Workshop | Kano | 19901000 Language English Country/Territory Nigeria Subject Land & soil Keyword Sustainable development Soil conservation/soil improvement Desertification Afforestation/reforestation