浅谈青海云杉大苗移植技术

近年来，城乡绿化建设步伐不断加快，常绿树种，尤其是青海云杉的大苗移植已成为城乡绿化的主要途径之一。但大型苗木的移植，是一项成本额较高，耗费人力，物力较多且需动用较大机械参与的工作，只有掌握好移植技术，才能确保云杉大苗的成活率，并达到预期的绿化效果。

The Transplanting Technique of Bigger Seedlings of Picea crassifolia

In recent years, the construction step of urban and rural greening has quickened continuously. For evergreen tree species, especially bigger seedlings transplanting of Picea crassifolia has become one of main ways of urban and rural greening.But the transplanting of bigger seedlings is a great work, which has some characteristics of high cost, consuming much manpower and material resource, only by grasping transplanting technique, the survival rate of bigger seedlings of Picea crassifolia could be ensured, and could achieve the expected greening effect.