目前,一些主产柑桔的国家如美国、日本、巴西、以色列等已大量运用滴灌技术于柑桔生产。我国从一九七四年引进滴灌技术以来,除在小麦、玉米等大田作物上应用以外,并在苹果、葡萄生产中大面积应用,但在柑桔生产上应用较少。四川是全国柑桔主要产区之一。全省柑桔主要分布于盆地丘陵山地,年降雨量较为 At present, some countries that produce citrus, such as the United States, Japan, Brazil, Israel, have made extensive use of drip irrigation technology in citrus production. Since the introduction of drip irrigation technology in 1974, China has been widely used in the production of apples and grapes except for the field crops such as wheat and corn. However, its application in citrus production has been less. Sichuan is one of the main citrus producing areas in China. The province’s citrus are mainly distributed in hilly basins, annual rainfall is more