Spruce Budworm Defoliation and Growth Loss in Young Balsam Fir: Spacing Effects on Needlefall in Protected Trees

Author: Piene Harald   Fleming Richard A.  

Publisher: Society of American Foresters

ISSN: 0015-749X

Source: Forest Science, Vol.42, Iss.3, 1996-08, pp. : 282-289

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