Download or read book Problem Weed Guide for Ontario Crops - written by Mike Cowbrough and published by . This book was released on 2017-05-08 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an in depth look at how to manage 16 of the most difficult to control weeds in Ontario. With summaries of Ontario research trials along with international studies, it would be tough to find a more comprehensive yet practical look at managing problem weeds.