对于因生存环境恶化导致长势极差,歪倾有折断倒伏隐患存在,濒临死亡或树干腐烂严重的古树名木,应采取一些特殊的养护复壮技术。土壤改良是基础土壤改良方面一是扩塘换土,如发现树根附近土壤不良,要扩大树根周围土壤,尽可能将原有土挖移到别处,换上好土,在更换土壤时要结合土壤同时进行灭病菌除虫害工作。如有可能与需要,要同时进行根瘤菌、菌根等接种工作。 For the deterioration of living conditions lead to poor performance, crooked there is a risk of breaking lodging, the verge of death or trunk decay serious old and famous tree, should take some special curing rejuvenation technology. Soil improvement is the basic improvement of soil First, the expansion pond for soil replacement, found that the soil near the roots of bad, to expand the soil around the roots, as far as possible digging the original soil to move elsewhere, put a good soil, when changing the soil to In combination with soil germs pest elimination work. If possible and need, to at the same time Rhizobium, mycorrhizal and other inoculation.