Management of rice production systems to increase productivity

TABLE OF CONTENTS
CHAPTER ONE: RICE PRODUCTION TRENDS IN THE GAMBIA,
. WEST AFRICA
1.1. Introduction 1
1.2. Performance of the Rice Sector in The Gambia, West Africa 5
CHAPTER TWO: LOW‐INPUT UPLAND RICE PRODUCTION SYSTEM
2.1. Introduction 14
2.1.2. The Upland Production System 17
2.1.3. Environmental Concerns of Upland Rice Cultivation 21
2.1.4. The Crop‐Environment Dynamics in the Sahel
. and Drier Tropics 22
2.1.5. Genetic Varition in Nutrient Uptake 27
2.1.6. Nutrient Dynamics of Tropical Soils 29
2.2. Materials and Methods 40
2.2.1. Trial Location: The Gambia 40
2.2.2. Field Experiment Design 41
2.2.3. Results and Discussions 44
2.2.4. Conclusions 69
ix