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杨树是世界上许多国家广泛栽培的速生用树树种,特别是人工选育的无性系良种,更具有较高的生产性能。我省引种栽培I——63杨、I——69杨、I——72杨(以下通称杨树),已有十余年历史了。由于我省重视发展杨树生产,迄今为止,已造杨树人工林近百万亩。为此,对现有杨树人工林的现状和栽培技术进行调查研究,甚有必要。现就在嘉鱼县调查资料,经整理分析,就有关杨树栽培技术问题,(病虫害部分暂未涉及),综述如下:
Poplar is a rapidly growing tree species widely cultivated in many countries in the world, especially the well-selected clones of man-made clones, with higher production performance. Introduction and Cultivation I - 63 Yang, I - 69 Yang, I - 72 Yang (hereinafter referred to as poplar), has more than ten years of history. As our province attaches great importance to the development of poplar production, so far, has made nearly a million mu of poplar plantations. Therefore, it is necessary to investigate and study the current status and cultivation techniques of poplar plantations. Now in Jiayu County survey data, after finishing analysis, the poplar cultivation techniques, (Pest not yet involved), summarized as follows: