论文部分内容阅读
美洲朴树源于美国和加拿大,是当地著名的庭院街道绿化树种。根据气候相似性理论,选定美国明尼苏达州朴树为引种种源。通过育苗和造林实验,观测了苗期和幼林期的生长、适应性、物候和生长节律,根据不同立地条件、土壤性质、造林规格、造林方式等因子的观测,总结出适合于该树种的生长条件,为该地区的绿化造林增添优质的树种和造林方法。
Originating from the United States and Canada, Puchu is a famous tree street afforestation in the area. According to the theory of climatic similarity, Hackberry, Minnesota, USA, was selected as the provenance. The growth, adaptability, phenology and growth rhythm at seedling and young stands were observed through nursery and afforestation experiments. According to the observation of different site conditions, soil properties, afforestation specifications, afforestation methods and other factors, the suitable growth of the tree species Conditions, for afforestation in the region to add quality tree species and afforestation methods.