The great corn clash is coming as US and Brazil farmers face off

Sao Paulo

THE world's biggest corn exporters are preparing for a showdown.

Brazilian farmers are in the midst of collecting their biggest corn harvest ever and American supplies are also plentiful - setting the stage for a stiff battle to win world buyers in the second half of the year.

It's a turnaround from just a year ago when US exporters were seeing sales boom as a drought plagued Brazil's fields.

This year, the South American growers enjoyed much better weather and crop supplies have gotten so big that farmers are already short on storage after collecting a massive soyabean harvest just a few months earlier.

That's giving exporters incentive to push corn shipments out …