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China has struggled to keep genetically modified foods out of their country, rejecting and even incinerating US shipments of corn by the boatload this year. But some of the seeds may have made their way in regardless, and it's these US-made seeds that are being blamed for crop failure in the large eastern country.

Police in the Hunan province have busted a seed smuggling case that may have contributed to the failure of 200 acres of corn in Tongdao last year. Called "US golden corn" by local officials, the seeds originate from giants like Monsanto and Syngenta.

Most recently a smuggler named Luo Haihong was arrested, believed to have smuggled more than 500,000 tons of corn seeds into the country since 2003.