Rain from Isaac to help U.S. wheat, but not corn, soy
Kansas is the top wheat state.
Some late season soybeans may also benefit from the rainfall that Isaac is expected to generate.
"It will help soybean seed size. If the soybean plant is still green there will be some benefit," said Dale Durcholz, a crop and marketing expert for AgriVisor, a division of the Illinois Farm Bureau Association.
"It definitely will help fall wheat planting and it will give a boost to late season hay crops."
The annual Pro Farmer tour of Midwest crops found signs of severe crop losses in the top-producing Midwest states. On Friday it forecasted smaller U.S. corn and soybean harvests than what the government is predicting, with production the lowest in nearly a decade.
Additionally, a Reuters poll of 11 analysts estimated the 2012 U.S. corn yield at 121.5 bushels per acre, the lowest in 16 years, and production at 10.5 billion bushels, an eight-year low. (Reporting by Sam Nelson; Editing by Bob Burgdorfer)