在从事柑桔栽培时,常常碰到一些残缺树。引起树体残缺的原因很多,总的是管理不当和灾害损伤所造成,这类桔树枝干残缺,长势弱,产量低,过去一般采用重截更新,或在残缺树旁加植幼树,等大树死亡后由幼树代替。近年来产区广大桔农、工人、科技人员,在生产斗争和科学实验中,逐步 Engaged in citrus cultivation, often encounter some incomplete tree. There are many reasons for tree deformity caused by improper management and disaster damage. Such branches of orange trees are fragile, weak and have low yield. In the past, they were mostly re-instated or newly planted with saplings beside the incomplete trees After the death of the tree by the sapling instead. In recent years, the vast majority of farmers in the producing areas, workers and scientists and technicians have gradually stepped up their efforts in the struggle for production and in scientific experiments