Chapter 8 Micro Irrigation Dr.Guangyong Li CAU,E-mail:LGYL@cau.edu.cn
1 Chapter 8 Micro Irrigation Chapter 8 Micro Irrigation Dr. Guangyong Li CAU, E-mail:LGYL@cau.edu.cn
CONTENTS ·INTRODUCTION MICRO IRRIGATION SYSTEM AND EQUIPMENT 1.1 Definition,Types 1.2 Advantages and Problems 1.3 System Components ·1.4 Emitters 1,5 Clogging and filtration 1.6 Fertilizer Applicator 1.7 Others (air valve,pressure regulator,pipe 。1.8 Typical Micro Irrigation System in the field
2 CONTENTS • INTRODUCTION • MICRO IRRIGATION SYSTEM AND EQUIPMENT • 1.1 Definition, Types • 1.2 Advantages and Problems • 1.3 System Components • 1.4 Emitters • 1,5 Clogging and filtration • 1.6 Fertilizer Applicator • 1.7 Others (air valve, pressure regulator, pipe • 1.8 Typical Micro Irrigation System in the field
CONTENTS 。 MICRO IRRIGATION SYSTEM DESIGN 2.1 Layout of Drip Line and Emitter 2.2 Micro Irrigation System Design Parameters 2.3 Water Balance 2.4 Layout of Pipe Network 2.5 Irrigation Schedule 2.6 Hydraulic Calculation of Pipe Network 2.7 Example for Design of Irrigation System MICRO IRRIGATION AUTOMATION AND EQUIPMENT 3
3 CONTENTS • MICRO IRRIGATION SYSTEM DESIGN 2.1 Layout of Drip Line and Emitter 2.2 Micro Irrigation System Design Parameters 2.3 Water Balance 2.4 Layout of Pipe Network 2.5 Irrigation Schedule 2.6 Hydraulic Calculation of Pipe Network 2.7 Example for Design of Irrigation System • MICRO IRRIGATION AUTOMATION AND EQUIPMENT
Introduction 。1960'S-invention 1970'S-went to commercial application
4 Introduction • 1960’S -invention • 1970’S—went to commercial application
World Microirrigated Regions Microirrigated Area-ha 0-25000 25001-104000 104001-267000 267001-562854 562855-1050000
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