State

Site

Incubation temperature

Q10

10˚C

20˚C

30˚C

Cumulative N2O-N flux (mg∙kg−1 soil)

Maine

Frenchville

12.9Aa* (10.6)

13.2Aa (2.94)

19.1Aa (2.38)

1.40C

(0.39)

Tennessee

Jackson

0.16Bc (0.14)

0.89Cb (0.10)

1.39Ca (0.49)

10.1AB

(14.9)

South Carolina

Blackville

0.07Bb (0.05)

4.87BCa (2.45)

5.39Ba (1.88)

11.4A

(5.66)

Minnesota

Downer

2.39Ba (2.22)

5.55Ba (2.75)

4.63Ba (2.70)

2.14BC

(1.65)

North Dakota

Bismarck

20.9Aa (2.60)

1.11BCb (0.37)

1.25Cb (0.34)

0.23C

(0.05)

North Dakota

Dickinson

0.36Bb (0.08)

0.77Cab (0.30)

0.99Ca (0.37)

1.65C

(0.23)

Nebraska

North Bend

0.58Bb (0.10)

0.62Cb (0.28)

1.50Ca (0.39)

1.63C

(0.19)

Oregon

Pendleton

27.8Aa (29.7)

15.7Aa (7.65)

3.04BCa (1.95)

0.53C

(0.42)

LSD (0.05)

16.3

4.64

2.35

8.25

Cumulative NH3-N flux (µg∙g−1 soil)

Maine

Frenchville

14.7Da (2.39)

9.40Eab (5.63)

6.62Cb (5.21)

0.63B

(0.25)

Tennessee

Jackson

51.1Bab (24.7)

66.8ABa (36.7)

19.6Cb (6.12)

0.66B

(0.23)

South Carolina

Blackville

242Aa (54.2)

85.2Ab (17.8)

119Ab (11.5)

0.70B

(0.09)

Minnesota

Downer

48.1BCa (11.3)

46.7BCa (4.25)

41.7Ba (20.5)

0.91AB

(0.20)

North Dakota

Bismarck

29.3BCDa (7.39)

27.4CDEa (5.82)

12.9Cb (4.75)

0.66B

(0.14)

North Dakota

Dickinson

16.1CDa (3.17)

12.7DEab (6.53)

7.39Cb (2.72)

0.66B

(0.07)

Nebraska

North Bend

28.6BCDa (5.51)

33.1CDa (13.4)

43.1Ba (12.1)

1.24A

(0.22)

Oregon

Pendleton

25.0BCDab (8.02)

44.0BCa (10.7)

19.8Cb (16.3)

0.90AB

(0.53)

LSD (0.05)

32.0

23.5

16.8

0.37

% Nitrogen mineralized

Maine

Frenchville

78.7BCDa (2.65)

45.4BCb (8.35)

79.6Ba (1.13)

1.00A

(0.01)

Tennessee

Jackson

77.1DEa (2.24)

28.2EFc (8.12)

67.7Db (2.02)

0.97CDE

(0.01)

South Carolina

Blackville

95.8Aa (0.54)

86.9Ab (8.91)

91.8Aab (1.23)

0.99AB

(0.01)

Minnesota

Downer

78.7BCDa (1.94)

44.9CDc (4.77)

72.8Cb (2.47)

0.98BC

(0.01)

North Dakota

Bismarck

80.7BCa (1.18)

34.4DEc (8.53)

67.7Db (2.11)

0.96E

(0.01)

North Dakota

Dickinson

75.2Ea (1.02)

23.3Fc (6.14)

62.7Eb (2.14)

0.96E

(0.01)

Nebraska

North Bend

78.2CDa (1.77)

34.1DEc (3.40)

68.2Db (1.60)

0.97DE

(0.01)

Oregon

Pendleton

81.0Ba (2.42)

56.1Bc (8.46)

72.2Cb (2.53)

0.97CD

(0.01)

LSD (0.05)

2.70

10.7

2.87

0.01