USDA reportedly shocked the market by failing to cut U.S. planted corn acres by the amount expected and instead nipping more area out of soybeans. The agency says it will now reassess the situation in July. Still, the June Acreage report has historically not been too far off from the final amount. The actual field survey work of that report should make it more reliable than the survey-based March Prospective Plantings report, but it depends on one’s bias. Over the past seven U.S. crop seasons, the March report has on average overestimated corn acreage by 0.194 percent, whereas the June report underestimated the final output by -0.338 percent. Nevertheless, the June report is considered a relatively reliable predictor of the actual fi...