Soil fertility decline in the tropics : with case studies on plantations
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Bibliographic Information
Soil fertility decline in the tropics : with case studies on plantations
CABI Pub., c2003
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Includes bibliographical references and indexes
Description and Table of Contents
Description
Wide coverage of soils and perennial cropping systems in the tropicsSynthesis of decades of researchChallenges assumptions on the benefits of plantations for soil fertilityIt is generally assumed that soil fertility decline is widespread in the tropics and that this is largely associated with annual cropping and subsistence farming. In contrast, perennial plant cover (as in plantation agriculture) provides better protection for the soil.This book reviews these concepts, focusing on soil chemical changes under different land-use systems in the tropics. These include perennial crops, annual crops and forest plantations. Two case studies, on sisal plantations in Tanzania and sugar cane in Papua New Guinea, are presented for detailed analysis. The author demonstrates that soil fertility decline is also a problem on plantations.
Table of Contents
1: Introduction 2: Human population and soil degradation 3: Plantation agriculture 4: Soil fertility decline - Theoretical considerations 5: Annual crops 6: Perennial crop plantations 7: Forest plantations 8: Sugar cane plantations 9: Case 1 - Sugar cane plantation, Papua New Guinea 10: Case 2 - Sisal plantations, Tanzania 11: Synthesis 12: Summary and conclusions
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