CBOT corn ends up on spillover from soaring soy
* Informa Economics pegged Argentine 2011/12 corn production at 22.5 million tonnes, above USDA's current outlook for 22.0 million and pegged Brazilian corn production at 61.5 million, above USDA's February outlook for 61.0 million. * China should redefine its grains security policy to fully liberalise the corn trade, the founder of the country's largest private agricultural business said. * Crop insurance price guarantees for 2012 should encourage US farmers to plant corn over soybeans, analysts said on Thursday. * The July/December was at 86 and the December corn/November soybean ratio was at 2.28. * Key resistance for the March contract at its 200-day moving average of $6.63-1/2 and support at the 50-day ma of $6.35. The nine-day RSI was at 67. Copyright Reuters, 2012