Input parameter

Range of values used for analysis

Literature values

Used in this simulation

Nitrification rate, d−1

0.01 - 0.4

0.01 - 0.5

0.1

Denitrification rate, d−1

0.001 - 0.3

0.001 - 0.1

0.13

Mineralization rate (humus) × 10−4, d−1

1 × 10−5 - 0.001

-

1 × 10−5

Mineralization rate (plant residue), d−1

0.01 - 0.03

0.01 - 0.2

0.01

Mineralization rate (manure), d−1

0.01 - 0.03

0.01 - 0.03

0.02

Ammonia volatilization rate, d−1

0 - 0.4

0 - 0.4

0.2

Q10

1 - 3

2 - 3

2

Air-entry value (Campbell equation)

0.3 - 3

Vary

1

b parameter (Campbell equation)

7 - 20

Vary

12

Partition coefficient (NH4-N), L kg−1

1 - 4

3.0

3

Partition coefficient (NO3-N), L kg−1

0.0

0.0

0

C/N ratio for biomass and humus

10

10

10