Corn Argentina’s corn harvest advanced 9.2 percent last week, bringing the total harvest to 82 percent of the planted area. The harvest is 12 percent behind last year’s pace, but yields are above trendline, so large volumes are being originated daily.  Farmer selling has increased considerable in the past few weeks and exporters are buying an average of 0.5 MMT each week. Exporters secured 0.8 MMT in the week ending 14 July, however, and 1 MMT for the week ending 21 July. There are no official numbers yet, but WPI expects another week of above-average origination for the last week of July.  Farmers are harvesting large volumes and they need to keep selling (they sold 70 percent of the expected volume). Prices are st...