园林绿化是我国北方城市建设工作的重要内容之一。随着绿化工作的开展,引进的树木种类也越来越多,这些树木的种子多数具有休眠特性,因此在播种前必须经过不同方式的处理,才能保证种子正常发芽。本文主要阐明北方园林绿化中,具有代表性的常用绿化树种的播前处理技术。 Landscaping is one of the important contents of urban construction in northern China. With the development of afforestation work, there are more and more kinds of trees introduced. Most of these trees have dormancy characteristics and must be treated in different ways before sowing to ensure the normal germination of the seeds. This paper mainly clarifies the pre-sowing techniques of representative greening species in the landscape architecture of northern China.