Lets say I grow winter wheat after beans and with no N at all it could yield 1.5t acre
With 160 units of N it grows 4t acre
Does that mean my N costs should be attributed to the extra 2.5 ton only?
Lets say each unit is £1.
Does it cost me £40 t in N to get my yield extra yield or does it cost me £64 t in N to get my extra yield? (not to mention the other extra investments)
With 160 units of N it grows 4t acre
Does that mean my N costs should be attributed to the extra 2.5 ton only?
Lets say each unit is £1.
Does it cost me £40 t in N to get my yield extra yield or does it cost me £64 t in N to get my extra yield? (not to mention the other extra investments)