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1983—1985年,1988—1990年,我们对紫椴(Tilia amurensis Rupr.)的育苗技术进行了研究。一、试验地自然概况试验在辽宁省新宾満自治县陡岭林场苗圃进行。该地平均气温4.7℃,降水量780.6mm,无霜期127天
From 1983 to 1985 and from 1988 to 1990, we studied seedling technology of Tilia amurensis Rupr. First, the nature of the experimental site The experiment was carried out in the steep ridge forest farm nursery of Xinbinhuang Autonomous County in Liaoning Province. The average temperature of 4.7 ℃, precipitation 780.6mm, frost-free period 127 days