The aim is to make a good impression -- in order to boost tourism -- on Canada's G7 guests and not expose the leaders of Britain, France, Germany, Italy, Japan and the United States to unpleasant odors.
But local lawmakers are making a stink on behalf of farmers.
"We ask for your cooperation so that the stay of our guests on our province is as pleasant as possible," said a letter sent by Quebec's agriculture ministry to the local farming association, seen by AFP Friday.
A long winter meant farmers could not access their fields until last week -- later than usual -- to start preparing the ground for seeding.
They are now being asked not to spread manure from June 1 to 9.
"Asking farmers to stop their operations puts their crops at risks," Andre Villeneuve, a member of a Quebec opposition party, told the provincial legislature on Thursday.
Quebec's agriculture minister, Laurent Lessard, shot back that the G7 presented a tremendous opportunity to showcase the region to the leaders and journalists from around the world covering the June 8-9 summit.
It's "an extraordinary opportunity to present Quebec products," he said.