LITTLE ROCK, Ark. (AP) — The Mississippi River has reopened to barge limited traffic, though Arkansas wheat farmers still may have trouble moving their harvest.

The Coast Guard on Wednesday is allowing one tow at a time to navigate a 15-mile stretch of the Mississippi near Natchez, Miss. On Tuesday, the Coast Guard closed that segment of the river to traffic to keep the pressure off strained levees.

Arkansas wheat farmers are about to harvest. Many grain storage facilities are flooded, and about half of the 500,000 acres planted are rated fair to poor. That reflects the beating the crop took from storms and floods. With the choke point on the Mississippi, growers will have trouble shipping their crop downstream so it can be sold for export.