VEGETATION AND SOILS

OF AFRICA

RESEARCH SERIES NO. 13
W. L. G. JOERG, Editor

THE VEGETATION AND
SOILS OF AFRICA

BY

H. L. SHANTZ

Bureau of Plant Industry, U. S. Department of Agriculture

AND

C. F. MARBUT

Bureau of Soils, U. S. Department of Agriculture

WITH A SECTION ON THE LAND CLASSIFICATION
OF AFRICA BY THE JOINT AUTHORS

AND A NOTE ON A RAINFALL MAP OF AFRICA
By J. B. KINCER

Weather Bureau, U. S. Department of Agriculture

VI THE STUDY OF AFRICAN SOILS: PAST CONTRIBU-

TIONS AND THE PRESENT ATTEMPT

131

VII THE SOILS OF TEMPERATE AND SUBTROPICAL AFRICA

(SOUTH AFRICA, SUDAN, ATLAS REGION)

142

VIII THE SOILS OF ARID AFRICA (SAHARA AND DESERTS

OF SOUTHWEST and Northeast Africa)

179

IX THE SOILS OF TROPICAL AFRICA (CENTRAL Africa

AND GUINEA)

181

TABLE OF CHEMICAL ANALYSES OF AFRICAN SOILS. 218

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