Ambrosia (ragweed) in the city

Morissette Jean-Pierre morisset at ERE.UMontreal.CA
Thu Dec 1 12:10:34 EST 1994

We are currently working on a guide, for city planners and the 
population itself, on a good land maintenance for the control
of ambroisa (ragweed).  Any examples of such a guide, or any
help, suggestions, references, etc. would be most welcome.

Thank you for your cooperation

Francis Lacasse
Occupational and environmental health unit

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