Bole Implantation of Systemic Insecticides Does Not Protect Trees From Spruce Beetle Attack

Author: Shea Patrick J.   Holsten Edward H.   Hard John  

Publisher: Society of American Foresters

ISSN: 0885-6095

Source: Western Journal of Applied Forestry, Vol.6, Iss.1, 1991-01, pp. : 4-7

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