柑桔高接换种 ,是指在已定植的柑桔幼树和成年树的主枝、副主枝或大侧枝上 ,用嫁接方法接上新的优良品种 ,达到更换老品种的一项技术。柑桔高接换种后 ,由于充分利用了原有树体强大的根系和枝干 ,所以一般接后 2～ 3ａ就能恢复树冠 ,并获得理想的产量。1　戳孔露芽无论春季、秋 Citrus high exchange seed refers to the already planted citrus young trees and adult trees of the main branch, deputy main branch or large side branches, grafting method connected to the new fine varieties, to replace the old varieties of a technology . Citrus accession after the high, due to make full use of the original tree roots and strong branches, so generally pick 2 ~ 3a will be able to restore the crown and obtain the desired yield. 1 poke hole bud regardless of spring, autumn