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1 996~1 999年在东川区二二二林场进行的华山松球蚜种群动态及防治研究 ,组建了 6个自然种群生命表 ,找出了华山松球蚜侨蚜的自然控制主要因素和防治的最佳时期 .
The population dynamics and control of Pinus armandii from 1996 to 1999 in Dong Er District, Dongchuan District were studied. Six natural population life tables were set up and the main factors of natural control of Pinus armandii were found. Prevention and control of the best time.