PWA - 11/24/2022 23:19
Yield monitor not calibrated last year or this year. You pick.
Seriously dude. That’s one of the most open ended questions ever
Could be anything
Weather. Fert. Disease. Seed vigor. Hybrid in general. Lack of fung. Planting depth. Sidewall compaction. Tillage issues. All of the above. Combo 2. Combo of 3. Lack or root O2.
After getting the boot once you should have figured out your attitude needs improvement. | 
Yield problems
