ChinaVoodoo
Moderator
You would probably want to top up the potash.So. According to the charts, we should have in medium rich soil that's two feet deep with little rain, 70-80, 60-100, & 100-150.
To get 80 N with 1-1-1, you would need 80/0.01= 8000lbs/acre = 8320g/100 square feet.