Cold soils can lead to chilling injury for newly planted corn
Cold temperatures can result in injury to the germinating corn seed as it absorbs moisture - a problem called imbibitional chilling injury. Damage can occur when soil temperatures are at or below 50 F.
UPDATE - Soil temperature and cold injury for corn
As a cool front impacts Kansas in early May, keep an eye soil temperatures with respect to planting corn and soybeans. Chilling injury can occur if soil temperatures drop too low.
Soil temperature update and cold injury concerns for corn
Cold temperatures can result in injury to the germinating seed as it is absorbing moisture – a problem called imbibitional chilling injury. Damage to germinating seeds can occur when soil temperatures remain at or below 50 degrees F after planting.