The Reuters/Jefferies CRB Index shows commodities jumped 29% in the first six months of this year – the best first half for more than 30 years.

But there is much talk now of a “commodities bear market” and the popping of the so-called “commodities bubble” as prices pull back from their highs.

Jim Rogers, however, remains a commodities bull. “This bull market is not magic,” says Jim, writing in Whiskey and Gunpowder. “It’s not some crazy ‘cycle theory’ I have. It does not fall out of the sky. It’s supply and demand. It’s simple stuff.”

Gold futures closed 2.9% down for the week, despite a rally on Friday, as the greenback rose against the euro and other major currencies.

“I see that Dennis Gartman is talking about gold again,” says Ed Steer in Casey Research.

Here are a few words from his early Thursday morning commentary….”If the governments of the world are now as concerned about inflation as we think they may be, and if they are even more concerned about the prospects for a generic, rising inflationary psychology amongst the public at large

Flooding in the Midwest and fears of crop damage caused corn prices to climb in Chicago for the eighth consecutive day — their biggest gain in 11 weeks. Prices are expected to hit $8 a bushel by next week.

“Corn is in trouble because of the wet spring that has drenched the midwest,” says Justice Litle in Taipan Daily.

Yesterday, the USDA said in a report that American corn output will be down significantly from last year’s estimate.

The time is right to invest in a livestock ETF. Livestock prices have remained cheap over because grain prices have remained low. But this has changed… and an ETF is a great way to play the upswing in livestock prices.

“Hogs, like most commodities, went nowhere for 30 years,” says Ian Davis in The Growth Stock Wire. “In 1977, hogs sold for about 55.5 cents per pound. Today hogs sell for only about 79 cents per pound. That’s a rise of 42% in 31 years, or an annualized return of 1.1%… well below the inflation rate.

Corn stocks are expected to plunge to a 13-year low, according to the US Department of Agriculture, setting up a great play in a little-known livestock ETF.

MarketWatch reports that corn stocks are set to suffer because US farmers are cutting back corn acreage this spring to grow more soybeans.

Corn futures for July delivery today closed down 1 cent at $6.2925 a bushel. The contract had ended Thursday’s session at $6.3025 a bushel, an all-time high.

Wheat prices may be set for a major spike after a UN warning that a new “highly pathogenic strain of wheat stem rust called Ug99″ threatens 25% of the world’s wheat crops.

This from The World Tribune:

Scientists and international organizations focused on controlling wheat stem rust have said 90 percent of world wheat lines are susceptible to Ug99. The situation is particularly critical in light of the existing worldwide wheat shortage.

There is no commodities bubble, at least according to the majority of economists surveyed by The Wall Street Journal.

This from the WSJ:

Fifty-one percent of the respondents said demand from China and India was the prime factor in soaring energy prices, and 40% said demand was the chief contributor to rising food costs. Constrained supply was cited second most-often; 20% blamed supply problems for higher food prices and 15% for increasing energy prices.

“It’s a combination of demand and supply issues,” said Joseph Carson of AllianceBernstein.

“Soft commodities are now the best-performing sub-set of the commodity bull market,” says Eric Roseman in the Offshore A-Letter.

“The world’s supply is withering. The demand for these precious commodities is booming in emerging markets, while the world’s…

The food crisis, caused by a spike in staple food prices, has prompted the president of Thailand to try to create a rice cartel.

This from The New York Times:

The prime minister of Thailand, Samak Sundaravej, said Wednesday that his government would try to create a cartel of rice-producing countries in partnership with Vietnam, Cambodia, Myanmar and Laos.

As investors search for a suitable rice ETF or commodities ETF to profit from rising food prices, news from Vietnam shows that the food crisis is from over.

According to Reuters: “Vietnam acted to quell panic over rice supplies on Monday, banning speculation in the market after a ‘chaotic’ buying binge in the Southeast Asian nation highlighted growing global fears about food security.

The move comes as protests spread through Africa over rising food prices, which aid experts have warned threaten to starve 100 people.

With the run on rice in the US in full swing and sky high rice prices still grabbing the the headlines, investors are looking for a rice ETF to profit from the situation.

Unfortunately, there is still no specific ETF for rice. But that doesn’t mean there aren’t any commodities ETFs to help investors profit from the rise in rice and grain prices.

“Commodity service-providers have launched a blizzard of commodities ETFs over the last 12 months,” says Eric Roseman in the Offshore A-Letter.