我们于1992-1994年，相继对8-12年生桃树园进行技术改造，次年单株桃产量由原来的12.5公斤增加到21.3公斤，净增产值60.5%.实现了头年改造，第二年丰产的效果。具体改造技术措施如下：1二除病虫害老龄桃树果园的主要病害有：桃树腐烂病、桃树流胶病、桃蛀螟。冬季用小刀对桃树 In 1992-1994, we carried out technological transformation of the 8-12 year-old peach tree orchard in succession. In the following year, the yield per plant increased from 12.5 kg to 21.3 kg and the net output value increased by 60.5% High yield in the year. The specific technical measures to transform the following: 1 two pests and diseases except pests and diseases orchard Peach Orchard’s main diseases are: peach rot disease, peach Liujiao disease, peach borer. Winter with a knife to the peach tree