1992 | OriginalPaper | Chapter
Summary: Moderate Yields Giving Concern for the Future
Author : Professor Dr. Christian J. M. G. Pieri
Published in: Fertility of Soils
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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What conclusions can be drawn on yield trends in the area? Has there been a progressive degradation in yield potential in the savannah to the south of the Sahara over the past 25 years?