衰老梨树更新复壮技术在梨产区，有相当数量的梨树进入了衰老期，对这类树，如及时地更新复壮，即使百年生以上老树，也能获得较高的产量。现将技术要点简介如下：１、强化养树管理措施：树老根亦老。在更新前一年，最好是大年后的冬季，对距主干较近的土壤松土，防止误伤... Rejuvenation of pear-pear regeneration technology In the pear-producing areas, there are a considerable number of pear into the aging phase of such trees, such as timely rejuvenation, even more than a century old trees, but also to obtain higher yields. Brief introduction to the technical points are as follows: 1, strengthen the management of raising trees: Tree roots are also old. In the year prior to the update, it is better to have winter soil after the New Year’s Eve, to loosen the soil near the trunk to prevent accidental injury.