黄河故道地区苹果的适宜树形及前期整形修剪原则韩德全，殷桂琴，张传来，扈惠灵（河南职业技术师范学院辉县４５３６００）近几年，河南省的黄河故道相当一部分地区将苹果生产列为振兴地方经济，奔“小康”的支柱项目，十万亩苹果生产县、万亩生产乡纷纷涌现。如何使苹果... The appropriate tree shape and pre-plasticity pruning of the apple in the old course of the Yellow River HAN Dequan, YIN Guiqin, ZHANG Chuanlai, HU Huanling (Henan Vocational and Technical Teachers College, Huixian 453600) In recent years, a considerable part of the old course of the Yellow River in Henan Province has listed the production of apples as the rejuvenation of local economy , Ran to “well-off” pillar project, 100,000 mu of apple-producing counties, mu production towns have emerged. How to make an apple ...