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This guide focuses on the most problematic weeds in eastern North America for which there are at least some biocontrol agents established and/or available. Mult
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Type: BOOK - Published: 1999-05 - Publisher: University of Alberta
This impressive, richly illustrated field guide identifies more than 150 noxious weeds. 800 colour photos show the weeds at five critical stages and help to dis
Language: en
Pages: 163
Pages: 163
Type: BOOK - Published: 1994 - Publisher: Province of British Columbia, Ministry of Forests
Insects as biological control agents.