In a "normal" year the September WASDE yield and crop estimates are usually just bridges between the August WASDE, when the estimates reflect the first actual survey, and the October WASDE, by which time there are inputs from some actual harvest results. This is far from a "normal" year, of course. Every monthly WASDE becomes very important for markets, and as such, will be closely scrutinized.The historic 2012 drought has dramatically cut corn and soybean production, and it has rushed both crops toward maturity. USDA reports that as of 9 September 58 percent of the nation's corn crop is mature, far ahead of the average for the date of 27 percent. Already, 15 percent of the corn crop has been harvested. Thirty-six percent of the soybean c...