Interpid Potash: Short into numbers? (IPI)

From Notable Calls:

Coming from a seasoned hedge fund player: He is shorting Interpid Potash (NYSE:IPI) ahead of EPS report

I shorted some IPI today at 27.50.... not enough to hurt me... but just based on a hunch that this weakest player of the group comes up short tomorrow morning with earnings and poor guidance.

I hear that Farmers are planting this spring w/o applying potash and phosphate (i guess side applications will come later). Prolly too much capacity in the system already and this will not help....MORE