Plant-Soil Interactions at Low PH : Principles and ManagementR. A. Date, N. J. Grundon, G. E. Rayment, M. E. Probert · First published 2012Open the Tome
A Search for Strategies for Sustainable Dryland Cropping in Semi-Arid Eastern Kenya (Aciar Proceedings)M. E. Probert · First published 1992Open the Tome
