I think this might explain what happened. As you look at the data and chart you see that overnight the bare soil temperature goes lower than the residue covered soil which might indicate it is giving up some heat as opposed to the residue covered which is retaining the heat.
 (air and soil temp 4 11 2021 (full).png)
Attachments
----------------
 air and soil temp 4 11 2021 (full).png (59KB - 68 downloads)
| 
Cover crop issues
