Bees may have an unexpected positive impact on soybean yields, despite the crop's ability to self-pollinate. "They are going to the flowers, but we don’t know yet what that means for the plant," said Matt O’Neal, a Iowa State University entomologist whose team discovered that 20% to 25% of bees carried soybean pollen. "The challenge is to see whether they affect yield. There is some evidence in scientific literature that they may improve yields."
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