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一、清园除杂清除柑桔园内的枯枝、落叶、病虫枝、苔藓、地衣等,集中进行烧毁,并喷施1波美度的石硫合剂,以减少翌年病虫发生的基数。二、肥水管理成年桔树应在采收前7天或采收后10天之间追施采果肥,施肥应以有机肥为主,配合追施磷、钾肥料、复合肥等。幼年桔树根据树势情况,适当追施肥料,以利恢复树势,提高防寒防冻的能力。同时,可根据实际情况进行根外追肥,叶面喷施0.2～0.3%的磷酸二氢钾和0.3～0.4%的尿素溶液1～2次。三、防治虫害对于红蜘蛛发生较为严重的桔园或桔树,应抓紧时间进行防治,将虫口基数压下来,以减少
First, the removal of clear garden Clear citrus orchard branches, leaves, pests, moss, lichens, concentrated to burn, and spray 1 Baume degree of lime sulfur mixture to reduce the incidence of pests and diseases the following year . Second, fertilizer and fertilizer Adult orange trees should be harvested 7 days before or 10 days after harvest topdressing fruit fertilizers, fertilizers should be based on organic fertilizer, with topdressing phosphorus, potassium fertilizer, compound fertilizer and so on. Juvenile orange tree according to the situation of the situation, the appropriate topdressing fertilizers to facilitate the restoration of tree vigor, improve the ability of anti-freezing cold. At the same time, according to the actual situation of root top dressing, foliar spraying 0.2 to 0.3% of potassium dihydrogen phosphate and 0.3 to 0.4% urea solution 1 or 2 times. Third, the pest control Red spider occurred more serious orange or orange trees, should seize the time for prevention and control, the worm population down to reduce