Re: Farmer provided list of chemicals for corn crop and it still hurts.
Unless there were some issues with planter dust when the corn was planted I wouldnt be too concerned that the corn will harm your bees as the summer progresses. Given that bees will quite easily range 2 miles this means your hives have a foraging area of something over 12 square miles or approximately 8,000 acres so what happens on that 6 acres in the larger picture has a pretty minor impact on the overall health of your bees. I would say most bee hives in the US are probably within flying distance of some sort of treated row crop.
I'm confused, though. You have leased these acres yet you dont have control of the land? If it is under your control why are you renting it out as crop ground instead of planting it yourself to bird and bee friendly forage.
"People will generally accept facts as truth only if the facts agree with what they already believe."- Andy Rooney