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朝阳地区属于辽宁西部半干旱地区,年平均降雨量438.4～562.4mm,严重干旱的1981～1983年,生长季内三年平均降雨量只有228.5mm。由于水分不足,该区的苹果树遭受旱害,生长发育受到严重影响。因此,灌水巳成为苹果园管理中的重要环节之一。如何适
The Chaoyang area belongs to the semi-arid area of western Liaoning, with an average annual rainfall of 438.4 ~ 562.4mm. During the severe drought in 1981 ~ 1983, the average annual rainfall in the growing season was only 228.5mm. Due to insufficient water, the apple trees in this area suffer from drought and their growth and development are severely affected. Therefore, irrigation has become an important part of apple orchard management. How to fit