You apply 18,000 gallons of your very run of the mill manure…
You apply 18,000 gallons of your very run of the mill manure to your crop of corn pre-plant, incorporating it after application. You forgot however how much starter you used when you put this rate on. You check the NPM Factsheet and see that you would have 7 lbs of N/1000 gallons in your incorporated manured field. How many lbs of N are from the manure?