The effects of wet conditions during last fall’s harvest may show up again during soybean planting this spring. Seed quality from the 2018 soybean harvest is considerably lower than what is seen most years, which could impact the vigor and germination of seed planted this year, according to the Iowa State University Seed Science Center (SSC).

“The combination of rain and delayed harvest was favorable to fungal infection,” said Charlie Block, the center’s seed health coordinator. “In most years, you might find ...