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调查分析表明：11年生杉木团状造林各处理间在生长上存在极显著差异，其原因与造林密度相关。一穴2株式造林增产效益明显，在生产上有重大推广价值。通过对杉木团状造林首次间伐抚育设计的初步探索，显示了比常规的单株式造林具有间伐作业设计易行，有利于提高林分质量和稳定性，增加间伐材和经济效益的优越性。
The investigation and analysis showed that there was a significant difference in the growth of the 11-year-old Chinese fir plantation afforestation, which was related to the afforestation density. A single hole 2 plantation afforestation yield significant benefits in the production of a major promotional value. The preliminary exploration of the first thinning and tending design of Chinese fir plantation showed that it is easier to design the thinning operation than the conventional single plantation, which is beneficial to improve the quality and stability of the stand and increase the thinning timber and economic benefits.