Today, Motley Fool analyst Rex Moore takes a look at PotashCorp (NYSE: POT), which carries one of the lowest price-to-earnings multiples of all the stocks passing his "Best Values" screen. He sees this fertilizer company as more of a value than a value trap.

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.