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Proceedings of the AASRI International Conference on Industrial Electronics and Applications (2015)
The growth of Pinus tabulaeformis is influenced by the sonsau cocuus sinensis chen. When the insect density is more than 300-350 head/hundred beam conifer, sonsau cocuus sinensis chen occurred significantly influence the Pinus tabulaeformis′s growth. When the insect density reached 250-300 head/100 beam coniferous, sonsau cocuus sinensis chen significantly influence the accumulation of Pinus tabulaeformis volume. To determine the sonsau cocuus sinensis chen 2nd instar nymph theory control indexdoi:10.2991/iea-15.2015.178 fatcat:hurj726fk5gb3p2zrnmmda2bzy