PotashCorp (NYSE:POT) investors need to fasten their seat belts: The fertilizer giant is all set to report its quarterly earnings on July 30. Expectations are low, with analysts projecting the company to earn $0.51 per share, roughly 9% lower year over year, on flat revenue.

But top- and bottom-line numbers aren't why this earnings report will matter to shareholders, because aside from numbers, it'll likely carry some crucial updates that could move the stock big. Take a look at the slideshow below to know more about three such updates that you can't miss in PotashCorp's upcoming earnings report.

Neha Chamaria has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.