Oregon State University field trials show that sweet potatoes can give high yields in this region, but the market for them is sketchy.
The sweet potato trials at OSU's research station near Ontario are in their third season. Yields were disappointing during the first year because of an unusually cool growing season, but they have fared very well the past two seasons, OSU weed scientist Joel Felix said.
The problem right now for farmers in the area who might want to grow the crop is that there is no certain market for them locally. While some local processors are bringing in sweet potatoes from as far away as Florida and North Carolina and turning them into fries, there are no signals they want the crop to be grown locally in large numbers.
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