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定边县位于陕西省西北部,地处陕北黄土高原与毛乌素沙漠南缘的过度地带,林业用地560万亩,是一个发展中的林业大县。近年来,随着定边城市化进程的加快,城市绿化的任务更加艰巨,作为城市绿化重要物质基础之一的绿化苗木产业也因此迅猛发展起来。但在这一产业迅猛发展的同
Dingbian County is located in the northwestern part of Shaanxi Province. It is located in an area of over 560,000 mu of forestry land on the northern margin of the Loess Plateau and the Mu Us Desert in northern Shaanxi Province. It is a developing major forestry county. In recent years, with the speeding up of the urbanization of Dingbian, the task of urban greening is more arduous. Therefore, the greening seedling industry, one of the important material bases of urban afforestation, has also developed rapidly. However, the rapid development of the same industry