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Enzymes in Tropical Soils vii

BRIEF CONTENTS

I. INTRODUCTION – 1
II. THEORY OF ENZYMOLOGY – 14
III. ROLES OF ENZYMES IN NUTRIENT CYCLING – 23
IV. IMPORTANT SOIL ENZYMES – 33
V. EFFECTS ON ORGANIC MATTERS ON SOIL ENZYMES – 61
VI. EFFECTS OF SOIL WATER AND TEMPERATURE ON SOIL ENZYMES – 85
VII. EFFECTS OF pH ON SOIL ENZYMES – 102
VIII. EFFECTS OF NUTRIENT ELEMENTS ON SOIL ENZYMES – 119
IX. EFFECTS OF HEAVY METALS ON SOIL ENZYMES – 126
X. ENZYME DEGRADATION BY FOREST CLEARING IN LAMPUNG – 151
XI. UTILIZATION OF SOIL ENZYMES – 161
XII. SUMMARY – 168
REFERENCES – 176
GLOSSARY – 198
SUBJECT INDEX - 203
BIOGRAPHY OF THE AUTHOR – 209