对于4～6年生的劣质苹果园,在常规技术管理的基础上,采取先进的促花保果配套技术,并配合使用植物生长调节剂、高效果树专用肥和新型果树杀菌剂,可使幼龄劣质苹果园当年恢复树势,第二年开花结果,第三年达到较高的产量.运用夏季修剪、疏果套袋及适期采收等技术,能使苹果果实增大、色泽鲜艳、风味增加,综合提高苹果品质. For 4 to 6 years of poor apple orchard, based on the conventional technology management, advanced flower and fruit preservation supporting technology, and with the use of plant growth regulators, high-effect tree special fertilizer and new fruit fungicide, young Poor apple orchard tree recovery then, the second year flowering results, the third year to achieve higher yields. The use of summer pruning, bagging and appropriate harvesting techniques such as apricot, apple fruit can increase, bright color, flavor Increase, comprehensively improve the quality of apple.