http://seekingalpha.com/article/2261583-commodities-today-buy-agriculture-for-the-long-run

It has been a long time since potash/fertilizer stocks had any momentum and probably just as long since investors had good reason to be bullish on the sector as a whole. With M&A picking up and many viewing the most recent economic news as bullish and paving the way for further growth both domestically as well as internationally. If the general sentiment is correct and global markets do improve over the next 6-18 months, especially in the developing countries, then we could see prices for potash start to rise once again.