Soft commodities such as soy and corn should be used by investors to protect against inflation in the same way as gold, according to the founding partner of GAIA Capital, John Coast Sullenger.

A rising U.S. dollar is exerting major pressure on commodity prices and in turn could be setting up a prime buying opportunity in grains, energy and—yes—even gold.

While individual commodities are subject to a lot of momentum—they are a good alternative to stocks and bonds and commonly used for diversification, and hedging investments.

Syngenta, the world's largest agrochemicals company, is aiming for higher earnings this year as price hikes and cost-cuts are expected to help it offset the impact of the strong Swiss franc and raw material prices.

Food prices and security, threatened by weather-caused production declines and relentless rising demand, will be a key issue at the conference of world business, political and social leaders.

Prices for hay — the legal weed — are on fire. They're rising faster than prices for corn, thanks to a drought in Texas, plus rising demand as farmers avoid paying for more expensive feed. In addition, increased regulations in some areas are making hay farming more difficult.

Corn and sugar prices may have rallied on Tuesday, but for investors looking to profit from an agricultural trade, one analyst is putting his money in corn, over sugar.

Nebraska is in a positive state of mind thanks to a diversified economy and controlling spending, Gov. Dave Heineman told CNBC Wednesday.

Markets have overreacted to recent concerns on oversupply in soft commodities, and the fundamentals do not support the recent sell-off, Sudakshina Unnikrishnan, analyst at Barclays Capital, told CNBC on Tuesday.

At the World Pork Expo, the hot topic corn. Which leads to the big beef between hogs and ethanol. Both are competing for corn, and there may not be enough to go around.

China’s self-sufficiency in wheat, rice and corn could be reversed in dramatic fashion in the next few years offering investors a chance to make big returns, according to Richard Ferguson, the global head of agriculture at Renaissance Capital in London.