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CABI Book Chapter

Soil fertility decline in the tropics: with case studies on plantations.

Book cover for Soil fertility decline in the tropics: with case studies on plantations.

Description

This book, containing 12 chapters including an introduction which focuses on soil fertility under different land use systems in the tropics. Chapter 2 contains a global literature review on human population growth, soil resources of the tropics, tropical land use and management, soil degradation and sustainable land management. Chapter 3 reviews historical and productivity aspects of agricultural ...

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Chapter 10 (Page no: 289)

Case 2 - sisal plantations, Tanzania.

A case study is presented based on experimental work conducted in the Tanga Region of Tanzania in the late 1980s and early 1990s. The case study focuses on the soil fertility status of sisal plantations and the information presented is partly derived from previous studies. The data have been re-evaluated and updated where appropriate. Data are presented based on their mode of collection: Type I, Type II data and the nutrient balance. Rates of change in soil chemical properties are calculated for various soil orders (Alfisols, Inceptisols, Mollisols, Oxisols and Ultisols) based on different data types. A brief account is given on the methods used to investigate the soil chemical changes at the sisal plantations, including soil sampling and analysis, statistical analysis of the data, and the construction of nutrient balances. The effects of soil fertility on the yield of sisal are also studied.

Other chapters from this book

Chapter: 1 (Page no: 1) Introduction. Author(s): Hartemink, A. E.
Chapter: 2 (Page no: 10) Human population and soil degradation. Author(s): Hartemink, A. E.
Chapter: 3 (Page no: 61) Plantation agriculture. Author(s): Hartemink, A. E.
Chapter: 4 (Page no: 79) Soil fertility decline - theoretical considerations. Author(s): Hartemink, A. E.
Chapter: 5 (Page no: 139) Annual crops. Author(s): Hartemink, A. E.
Chapter: 6 (Page no: 165) Perennial crop plantations. Author(s): Hartemink, A. E.
Chapter: 7 (Page no: 197) Forest plantations. Author(s): Hartemink, A. E.
Chapter: 8 (Page no: 227) Sugarcane plantations. Author(s): Hartemink, A. E.
Chapter: 9 (Page no: 264) Case 1 - sugarcane plantation, Papua New Guinea. Author(s): Hartemink, A. E.
Chapter: 11 (Page no: 315) Synthesis. Author(s): Hartemink, A. E.
Chapter: 12 (Page no: 339) Summary and Conclusions. Author(s): Hartemink, A. E.