Improving Irrigation Efficiencies

The term "irrigation efficiency" has been used extensively during the past 30 years to express the performance of a complete irrigation system or components of a system. Though specifically defined by its users, on occasion, irrigation efficiency is not rigidly defined and has many interpretations. The term is frequently modified to assure specific interpretation such as "water application efficiency," but consistency in the use of modified terms is also lacking. Before considering techniques for improving irrigation efficiencies, terminology involved and the. factors affecting irrigation efficiency will be discussed