Urea fertilisation Flashcards
1
Q
Natural or human
A
Natural
2
Q
What
A
Small amount urea-rich dust to ocean surface, phytoplankton bloom, photosynthesis
3
Q
Pros
A
Cheaper than iron, could remove 1/4 anthropogenic CO2
4
Q
Cons
A
Expensive manufacture and delivery, lots needed, more toxic algae, lower O2 content
5
Q
Philippines
A
Site of an Australian company’s experiment, lack of knowledge criticised, stopped
