Corn Argentina Last week’s heatwave in Argentina was as bad with temperatures above 40C (104F) and strong winds in many places. By the week’s end, however, the weather pattern changed, and rains fell over nearly all the agricultural area with total precipitation amounts varying greatly. 

For the early crop, the rains came about 10 days too late to do much good. Most of the crop has passed through the critical yield-defining stages when moisture was needed to achieve heavy grain fill and large yields. Yields will certainly be affected, and last week’s rains did little other than to stop further losses.  The late crop, which represents about 60 percent of the planted area, is still in vegetative stages and ha...