Yield losses “In extreme cases, yield loss could be 22 bushels per acre,” Tylka said. At current prices above $13 per bushel, that loss equates to more than $286 per acre. But even more common is the 5 to 10 bushel per acre loss that farmers may not realize or attribute to SCN. “I’m pretty sure most of Iowa’s fields haven’t been sampled re­cently,” Tylka said. “In the blink of an eye, you could lose 10...