Shifting cultivation and soil conservation in Africa : papers presented at ... Ibadan, Nigeria, 2-21 July 1973.

Regional Seminar on Shifting Cultivation and Soil Conservation in Africa (1973, Ibadan)2017-01-302017-01-301974http://hdl.handle.net/123456789/143786https://digitallibrary.punjab.gov.pk/handle/1/796259 p.enFood and AgricultureShifting cultivation and soil conservation in Africa : papers presented at ... Ibadan, Nigeria, 2-21 July 1973.Book