Effects of N, P, Mg, K and Soils upon Oil Palm Yields in Sierra Leone Authors W.M. Walker Njala University College, University of Sierra Leone, Njala, Sierra Leone, West Africa S.W. Melsted Njala University College, University of Sierra Leone, Njala, Sierra Leone, West Africa Downloads Requires Subscription or Fee PDF (USD 25) Issue Volume 48 Number 3 Section Research Papers