A mix of barley, peas and flax grows in a field at Casey Bailey's farm near Fort Benton, Mont. Bailey sells this crop to Montana dairy farmer Nate Brown, who has been feeding it to his goats. Casey Bailey hide caption toggle caption Casey Bailey The Salt Diversifying Crops Is Good For The Planet. But Can It Be Good For Farmers' Wallets? October 23, 2019 Fertilizer runoff is fueling the toxic algae bloom in the Gulf of Mexico. Farmers could help by growing crops in rotation to reduce the need for fertilizer. But it's unclear who will buy them.