If the U.S. does produce a huge soybean crop this fall that causes soybean prices to fall well below $10/bushel, the greatest short-term impact likely will be on soybean plantings in Brazil.Yesterday's USDA crop plantings reports were a bit of a shocker in that they indicated U.S. farmers this year have planted, or will plant, 84.839 million acres (34.334 million hectares) of soybeans. USDA is forecasting the harvested area at 84.058 million acres (34.02 million hectares). The planted area estimate is 8.306 million acres (3.361 million hectares) greater than last year, and the estimated harvested area is 8.189 million acres (3.314 million hectares) larger than last year. The planted area also is 7.388 million acres (2.99 million hectares) g...