开化县林科所杉木种子园中早期高产原因分析

Analysis on Reason Why Seed Orchard of Cunninghamia lanceolata of Kaihua Forestry Institute Could High Yield in Early Period

杉木初级种子园或是种源种于国经过单株选优，增加早实高产无性系配置，提高正冠率，加大早期密 度，做好人工辅助授粉是取得中早期高产的重要技术。

Selecting fine individual plants, increasing early-bearing and high-yield clones, enhancing straight crown rate,increasing density in early period and artificially pollinating were important techniques to make seed orchard of Cunninghamia lanceolata high yield..