Pvafarm - 1/16/2025 23:25
Take your theory and run N rates studies. If you want to be real fancy start at zero and run rates every 40 lbs up to 250 or 300 to see where the curve flattens. Then you can find your best return to N rate for that year. Not unusual for soil to supply 50-70% of corn yield.
Absolutely.
An agronomist from Wisconsin did it. A bunch of different Farms over a couple years and using .9 :1 ratio for your yield goal nitrogen subtract The Haney test and apply that much. Every single one of them Farms that Haney test line was where the curve broke.
2025 there is so much information out there on how to be more profitable. How to be a better manager of your money and your inputs | 
0 lbs nitrogen test plot
