If global grain markets are in turmoil, the fertilizer market is going to precipitate a crisis. The International Food Policy Research Institute held a conference on the topic today that detailed just how threatening the fertilizer situation is to global grain markets. If nitrogen is withdrawn from field use, grain yields drop by 43 percent in just the first year. The supplemental application of nutrients is credited with saving billions of people from starvation. Yet Laura Cross of the International Fertilizer Association (IFA) notes the confluence of five factors adversely impacting the market:

The demand for fertilizer has shot up concurrent with the increased need to grow food. The same supply chain disruptions affecting other indus...