苹果树腐烂病发病率高,防治困难,我们实践证明,只有采取综合措施才能收到良好的效果。我们的做法是:(1)在管理上完善责任制,制定出壮树和产量指标,防止掠夺式生产。对承包人在防治腐烂病上要求做到“勤观察、勤检查、勤防治”。(2)增施有机肥,做到结果树每生产100kg果实施氮素0 The incidence of apple tree rot disease is high, prevention and treatment difficulties, our practice has proved that only by taking comprehensive measures to receive good results. Our approach is: (1) To improve the accountability system in management, formulate strong trees and yield indicators to prevent predatory production. The contractor in the prevention of rot disease required to do “ground observation, ground inspection, ground prevention and treatment.” (2) Adding organic fertilizer, so that the result tree produces 100kg of fruit nitrogen per plant