果树要丰产　冬季清果园尉氏县小陈乡农技站张征西冬季清园．是提高果树产量，改进果品品质，减少病虫危害，抵御外界不良环境条件侵袭的一项重要技术措施之一。那么冬季清国应注重抓好哪几项工作呢？一、刮树皮：（一）刮病皮：冬春季节一般是腐烂病发病盛期，发现病斑及... Fruit trees to yield winter fruit orchard Weishi County, Chen Township Agricultural Station Zhang Zheng West Winter Qingyuan. It is one of the important technical measures to increase the output of fruit trees, improve the fruit quality, reduce the harm of pests and diseases and resist the invasion of adverse environmental conditions. So Qing Qing should pay attention to which few do a good job? First, scratch the bark: (a) scraping disease skin: winter and spring rot disease is generally the peak of disease, found lesions and ...