在园林绿化中,常见到有些树木树干细弱、树冠瘦小、枝散叶疏、叶小花少,给人一种萎靡不振的感觉,并且和同期栽植或相邻的树相比,有明显的生长差距,这种形小而树龄长的树被称为“小老树”。“小老树”在园林绿化中并不是个案,它不仅难以发挥自身应有的生态作用,而且还会影响整个园林绿化的观赏效果。经多年实践,笔者对园林“小老树”的成因进行了归纳总结,并制定了相应的对策。 In landscaping, it is common for some trees to have thin stems, thin canopies, scattered leaves and sparse flowers, giving people a sense of malaise and a clear gap in growth compared with trees planted or adjacent to the same period , This kind of small and long tree is called “little tree ”. “Small old tree ” is not a case in landscaping, it is not only difficult to play its own ecological role, but also affect the ornamental effect of the entire landscape. After years of practice, the author summarizes the causes of gardens and “little old trees” and formulates corresponding countermeasures.