In all countries there was a decrease in N2O emissions from agriculture between 1990 and 2010, and the uncertainty in the estimated emissions reduced proportionally.
The reduction in emissions was significantly different from zero for all countries
except Northern Ireland.
In all countries, the reduction in emissions fromsynthetic fertilizer is primarily
a consequence of the reduction in fertilizer applied to grasslands.
The reduction in emissions from animal manures primarily resulted from the reduction in the numbers of cattle, sheep and pigs.