"Investing in the fertilizer business may not sound sexy, but the dynamics and fundamentals of the food business will turn it into one of the most profitable sectors you could find.," explains global expert Tony Sagami.

In his The Asia Stock Alert he suggests, "Every farmer needs to use fertilizer -- and the most used and most important fertilizer is potash. And Potash Corporation of Saskatchewan (NYSE: POT) is set to make a bundle supplying potash to the world."

"There are approximately 6.6 billion people on our planet today, but that number is expected to grow to 8.2 billion by 2030. That's a lot of mouths to feed. Plus, the amount of food each mouth is eating is also increasing.

"Asia is booming again, and one industry that is growing like wildfire is 'green' tech in China," says Mark Skousen. In The Turnaround Alert, he eyes China Green Agriculture (AMEX: CGA)."

"Urban population and demand for energy is exploding, causing pollution and a reduction in per capita arable land to feed 1.4 billion Chinese.

"One way to profit is to buy China Green Agriculture, one of the fastest-growing agricultural technology companies in China.

The Mosaic Company (NYSE: MOS), the combined Cargill Crop Nutrition and IMC Global Inc., began trading as a Fortune 500 company immediately after its 2004 IPO, and became a dominant player in the fertilizer business.

In just a few short years, Mosaic would be in prime position to ride a global boom in agricultural crop demand that resulted in its shares skyrocketing more than $130 from trough to peak.

From a valuation standpoint, the move higher was completely justified and rational -- up to a point. When the hedge fund momentum investors climbed aboard, astute investors knew that the rapid rise was due for a correction.

The stock sold off hard during the summer, which culminated in a complete washout due to the credit crisis and global economic meltdown. MOS shares fell back to the mid-$30s.

As is often the case, the selling went too far and had more to do with forced liquidations instead of rational valuation metrics.

"Investing in agriculture-related companies has been one of our main themes for the past year, and we still favor it," say resource experts Roger Conrad and Yiannis Mostrous.

The co-editors of Vital Resource Investor note, "We're adding a new stock to the portfolio that should benefit from the increasingly higher global demand for fertilizer: Potash Corp. (NYSE: POT).

"Potash is the world's largest and lowest-cost publicly traded potash producer, the fastest-growing segment in the fertilizer business. Its potash reserves are sufficient for more than 100 years of production.

"The company controls about 70% of the world's excess capacity. Potash Corp is also the world's third-largest phosphate producer and fourth-largest nitrogen producer. Current phosphate reserves should last more than 50 years.