- Lethal cold temperatures are more damaging than “simple” frost.
- Leaf injury or death does not guarantee plant death or yield loss.
- Patience is a virtue when waiting for crops to indicate their recovery.
When contemplating the effects of frost injury to corn and soybean, it is important to recognize that the extent of crop injury depends quite a bit on whether the field experienced lethal cold temperatures or “simple” frost. Lethal cold temperatures for corn and soybean are those at or below 28oF. Our definition of “simple” frost is that which occurs at temperatures warmer than 28o F.
For full publication visit: https://www.agry.purdue.edu/ext/corn/news/articles.02/Frost_Freeze-0520.html
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