 The USDA's national corn and soybean condition ratings improved a little over the past week. As of Sunday, 68% of U.S. corn is rated good to excellent, up 1%, with 24% of the crop silking and 3% at the dough stage. 68% of U.S. soybeans are in good to excellent condition, 1% higher, with 34% blooming and 9% setting pods.