With crops in short supply and weather far from perfect, traders did not want to be short corn, wheat, and soybeans going into a three-day hiatus in trading. While today’s gains were modest, July soybeans ended the week up 27 cents, while July corn is down 1.5 cents, and July SRW lost 11.25 cents. Still, all three classes of wheat are up well over a dollar on the month. 

Corn planting has made up valuable ground but remains behind, and that should be bearish soybeans. One North Dakota official said the problem is convincing farmers to plant late even if they lost prevented planting crop insurance coverage. Manitoba has extended final planting dates under crop insurance and members of the U.S. Congress are pressuring USDA to do...