"Our dwindling supply of phosphorus, a primary component underlying the growth of global agricultural production, threatens to disrupt food security across the planet during the coming century. This is the gravest natural resource shortage you've never heard of." http://www.foreignpolicy.com/articles/2010/04/20/peak_phosphorus Not looking to debate the topic, just wondering if this is the beginning of a lot of fertilizer buzz. I heard another reference to peak phosphorus on BNN this morning. Time to buy the fertilizer stocks? If you are interested in the concept longterm rather than just changing sentiment, you might like this article. http://seekingalpha.com/article/182522-taking-stock-of-phosphorus-and-biofuels