Corn Many early-crop corn fields have been heavily impacted by drought and yields will be very low. Other fields have been burned or chopped early for animal feed, as farmers took advantage of the low-yielding crop to bolster scarce forage supplies.  The second-crop corn is holding up better than the early-planted crop, but yield potential is far from ideal. In the February WASDE, the USDA revised Argentina's corn production lower from 52 to 47 MMT but it seems to be still far above reality. The Rosario Stock Exchange estimates a 42.5-MMT crop and the market is seeing something slightly below that.  Currently, exporters have March/May export licenses for 8 MMT, a volume that seems high given the current situation, but exporters...