Fertiliser
Nitrogen fertiliser makes us money, but survey shows NZ’ers don’t think it's worth it
Over the past 30 years, synthetic nitrogen fertiliser use has increased 630 percent in New Zealand
NZ doubled our dairy cows in 30 years, but it took 600% more fertiliser | Milk and Money | Episode 3
“We don’t exactly know how many cows we could sustain, but it’s a hell of a lot less than we have."