我省地域狭长,地跨黄河、长江两流域,南北气候差异很大,自然条件复杂,是林木引种的有利因素。近年来,全省各地从国内外引进了不少树种,省内南北地区间也进行了相互引种。引进树种约200多种(其中绝大部分是杨树品种),有的已经用于大面积造林,有的尚处于试验阶段,现仅就我们了解到的情况(不包括杨树)简介如下: The long and narrow area in our province covers the Yellow River and the Yangtze River. The climate varies greatly between the north and south and the natural conditions are complex, which is a favorable factor for the introduction of forest trees. In recent years, many species of trees have been introduced from all over the province from home and abroad, and the introduction of mutual introduction has also been carried out among the north and south regions in the province. About 200 kinds of species are introduced (most of which are poplar varieties), some of which have been used for large-scale afforestation, and some are still in the experimental stage. The brief introduction is only as far as we know (excluding poplar)