The best, and really only, way to participate from an income investing standpoint is to consider the nitrogen fertilizer master limited partnerships (MLPs) that serve the corn-growing market. The biggest input into making nitrogen fertilizer is natural gas, currently trading at $2.80/MMBtu, near the low end of a multi-year range. When the cost of the primary commodity is 50-70% cheaper than it was two years ago, it’s time to think hard about getting back into the fertilizer sector.

Fortunately, Cash Machine has a rich history of being involved with the leading MLPs in this space. Subscribers have rung the register on about a half-dozen occasions. From what is available to investors, three names come to mind that make the watch list: