For the period September 10-16, 2021. Wheat:  Net sales of 355,900 metric tons (MT) for 2021/2022 were down 42 percent from the previous week, but up 1 percent from the prior 4-week average.  Corn:  Net sales of 373,000 MT for 2021/2022 primarily for Canada (135,800 MT, including decreases of 1,400 MT), Mexico (134,500 MT, including decreases of 64,800 MT), Japan (72,200 MT, including 1,400 MT switched from unknown destinations), unknown destinations (28,800 MT), and China (4,200 MT), were offset by reductions for Jamaica (4,700 MT).  Exports of 485,800 MT were to Mexico (254,500 MT), China (140,200 MT), Japan (32,300 MT), Jamaica (19,900 MT), and Guatemala (17,100 MT). Soybeans:  Net sales of 902,900 MT for 2021...