TABLE OF CONTENTS 



ACKNOlifLEDGMENTS 

 LIST OF TABLES 



Page 



111 



Vll 



LIST OF FIGURES 



IX 



ABSTRACT 



INTRODUCTION 



CHAPTER I. LITERATURE REVIEW 3 



Concepts of Cropping Systems 3 

 Cropping Systems Research Approaches and 



Methodologies ^■ 



Management of Vegetables in Cropping Systems 8 

 , Soil and Fertilizer Management in Vegetable 



Cropping Systems 13 

 Economic Evaluation of Vegetable Cropping 



Patterns 20 



CHAPTER II. 



CHAPTER III. 



AN E^/ALUATION OF FOUR VEGETABLE CROPPING PATTERNS 

 FOR NORTH FLORIDA 25 



Introduction 

 Materials and Methods 

 Results and Discussion 



Crop environment 



Crop duration 



Marketable yields 



Biological stability 



Production costs and retiorns to management 



Returns to production inputs 



CROP AND FERTILIZER MANAGEMENT LEVELS IN FOUR 

 SEQUENTIAL CROPPING PATTERNS lOTOLVING 

 VEGETABLES 



25 

 27 

 32 

 32 

 35 

 35 

 39 

 40 

 !+0 



zj.4 



Introduction 



Materials and Methods 

 Experimental site 

 Soil characteristics 

 Classification of vegetable crops 

 Selection of vegetable crops 

 Design of cropping patterns 



Li4 



^7 



^7 

 47 

 4S 



