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Table 6.5.2 Percentage contribution of the nine most influential parameters on the uncertainty of total N2O emissions inventories for 1990 and 2001

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Parameter 1990 2001
  % contribution to uncertainty % contribution to uncertainty

EF3

90.8

88.0

EF4

2.9

3.3

Sheep N Excretion

2.5

1.8

EF5

2.2

2.8

Dairy N excretion

0.5

0.7

FracGASM

0.5

0.5

EF1

0.3

2.4

Beef N excretion

0.2

0.3

FracLEACH

0.1

0.2