Global politics have made the US dollar stronger while making the value of wheat from Chicago and Kansas weaker.
Despite a weaker Canadian dollar last week, the canola market managed to pull itself up and trade higher.
Some grower associations said that Hurricane Irma almost destroyed the orange crops in many areas.
Aside from the soybeans and soybean meal markets, rice also declined slightly last week.
The USDA released the September 1st Quarterly Grain Stocks and the annual Small Grains Summary report.
The U.S. wheat market started well last week but ended with a decrease due to the USDA small grains production reports.
Minneapolis spring wheat has seen an excellent trade in the past month but other places haven't been so lucky.
Corn prices are expected to go up as corn harvest is expected to start in parts of the Midwest in the next two weeks.
Private production estimates for soybeans and soybean meal show promise.
The American wheat market is feeling the pressure as Russia reportedly gains momentum in its wheat output.