6 1/2 X 9 7/16 in I. MICROIRRIGATION THEORY AND DESIGN PRINCIPLES
CHAPTER 1. INTRODUCTION
1.1. DEFINITION
1.2. HISTORY AND CURRENT STATUS
1.2.1. Early History Worldwide
1.2.2. Early History in United States
1.2.3. Current Irri gated Area
1.2.4. Principal Crops Utilizing Microirrigation
1.2.5. Trends
1.2.6. Economics
1.2.7. Expansion in Developing Countries
1.3. GENERAL PRI NCIPLES
1.3.1. Advantages
1.3.1.1. Increased water use efficiency
1.3.1.1.1. Improved crop yields and q uality
1.3.1.1.2. Reduced nonbeneficial use
1. 3.1.1.3. Reduced deep percolation
1.3.1.2. Use of saline w ater
1.3.1.3. Improved fertilizer and other chemical applic ation
1.3.1.4. Decreased energy requirements
1.3.1.5. Improved cultural practices
1.3.1.6. Use of biolo gical effluent and treated wastewaters
1.3.2. Disadvantage s
1.3.2.1. Extensive maintenance requirements