![Mackenzie Porter of the Essex Region Conservation Authority measures water quality in a waterway adjacent to a greenhouse operation.](http://www.uwindsor.ca/dailynews/visualarts/sites/uwindsor.ca.dailynews/files/styles/full/public/900_mackenzie_porter_erca.jpg?itok=fp5t5pTn)
May 28th, 2018
A study shows Essex County greenhouses might be producing a significant amount of nutrient-rich runoff relative to other types of agriculture.
A study shows Essex County greenhouses might be producing a significant amount of nutrient-rich runoff relative to other types of agriculture.