Fertilizer producer Mosaic beat Wall Street expectations for first-quarter profit on Tuesday, driven by strength in its South America business.

Uncertainty across commodity and input markets creates difficult choices for farmers
Farmers will want to lock in supplies before seasonal demand kicks in
Fertilizer companies are already dealing with lower profits as prices sag
Company expects Russia, Belarus 2023 potash exports at 2022 level
Demand increasing, but 'slower than expected'