Not really "regulations" (although the feds forced the destruction of a couple million pounds of potatoes last winter for a cosmetic blight) but quotas.

The Dairy Farmers of Ontario (but not really) set caps on production to keep demand high. They are literally a cartel and, rather than use excess milk for cheese or high quality low quantity products, they just make farmers flush it to keep prices high.

This is the first thing I show to any environmentalist/poverty advocate before I'll listen to any of their shit.