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在冬季气温较低地区常发生周期性大冻。做好柑桔防冻工作十分重要。具体应做好以下防冻措施:1.采果后要进行红、黄蜘蛛等虫害的防治。2.主干涂白。白涂剂一般用每公斤生石灰兑水10公斤。加少量石硫合剂调合而成。3.施足冬肥,及时培土束草,以树盘根颈盖住为准,春季气温转暖后扒开。4.及时抗旱。5.试喷化学保护剂,在寒冷初期对树冠喷施2％的抑蒸保温剂。6.及时摇落冰雪。
Cyclical freezing often occurs in areas with low winter temperatures. Citrus antifreeze work is very important. Concrete should do the following antifreeze measures: 1. Picking fruit after red, yellow spiders and other pest control. 2 trunk painted white. White paint generally watered 10 kilograms per kilogram of lime. Add a small amount of lime sulfur mixture made of. 3. Shi enough winter fertilizer, timely soil Tucao to cover the root of the tree tray prevail, warm spring after the spring claw away. 4. Drought in time. 5. Test spray chemical protection agent, early in the cold spraying 2% canopy suppression agent. 6. Swiftly fall snow and ice.