二、合理结构与适宜节奏生产实践和科学研究证明,苹果的树体结构与群体结构合理与否,树体各器官的生长进程和生长强度适宜与否,对苹果树的早实、丰产,尤其是对果品质量,有着重要的影响。因此,培养合理的树体结构和群体结构,建立适宜的树体生长节奏,就成为苹果 Second, a reasonable structure and appropriate rhythm Production practices and scientific studies have shown that Apple’s tree structure and group structure is reasonable or not, the growth of various organs of the tree and the growth rate of appropriate or not, the apple tree early, high yield, especially Is the quality of fruit, has an important impact. Therefore, to cultivate a reasonable tree structure and group structure, to establish a suitable rhythm of tree growth, it becomes an apple