Search Results       Your search for [subject]Agricultural productivity -- Africa, Southern returned 1 record.           Testing the induced innovation hypothesis in South African agriculture : an error correction approach. by Thirtle, Colin G., 1944-; Washington, D.C.: World Bank, Agriculture and Natural Resources Department, Office of the Director, 1995. Subject: Agricultural productivity -- Africa, Southern; Agricultural innovations -- Africa, Southern.          Add to Book Cart Relevance: 24.97%