text: MARKET TALK - USDA net change in weekly export commitments for the week ended August 22 , includes old crop and new crop , were : wheat up 595,400 tonnes old , nil new ; corn up 1,900 old , up 319,600 new ; soybeans down 12,300 old , up 300,800 new ; upland cotton up 50,400 bales new , nil old ; soymeal 54,800 old , up 100,600 new , soyoil nil old , up 75,000 new ; barley up 1,700 old , nil new ; sorghum 6,200 old , up 156,700 new ; pima cotton up 4,000 bales old , nil new ; rice up 49,900 old , nil new ...