The extremely tight old crop situation and strong rally of the CBOT corn futures during the last five weeks have stopped the farmer selling in the Black Sea region altogether.  Meanwhile, cheaper feed wheat prices are affecting the feed grain demand. Milling Wheat The Black Sea market is slightly weaker before the start of the harvest. There are more offers for 11.5 and 12.5 percent protein wheat in Ukraine and Russia, but buyers are difficult to find. The Russian crop is estimated at 65 MMT (versus 61 MMT last year). The excessive rains in southern Russia during the last month and a half may have affected the quality, although the extent of the damage will not be known until after the harvest begins. The Ukrainian crop is now foreca...