Soybeans were scouted at the VC (cotyledon) growth stage and stunted plants along with yellowing of leaves were observed.
This issue was confirmed by an NC State Extension Specialist as injury from an ALS-Inhibiting Herbicide. In this environment, the cool temperatures following planting could have synergized symptomology. Symptoms associated with ALS-inhibiting herbicide injury include plant stunting, root stunting, chlorosis, and purpling of leaf veins. Initial injury can be mistaken for nutrient deficiency.