Effect

Yield

IN

GR

UR

BR

MR

(Mg∙ha⁻¹)

2003/4

56.6 ab

43.5 c

nd

43.4 c

nd

2004/5

55.0 ab

57.5 a

57.8 a

56.7 b

63.4 a

2005/6

57.5 a

60.3 a

58.2 a

62.4 a

61.4 b

2006/7

53.5 b

48.3 b

48.9 b

nd

nd

N0

49.4 C

50.4 B

50.0 C

50.2 B

56.6 C

N1

45.4 B

56.4 AB

58.0 B

53.6 A

58.5 B

N2

61.9 A

58.0 A

61.8 A

56.1 A

65.4 A

N3

60.7 A

57.1 A

61.5 A

55.6 A

63.3 A

Mean Square

Growing season (GS)

950.2^***

735.2^***

326.4^***

907.2^***

47.2^*

N rate (N)

307.8^***

100.8^*

327.6^***

97.5^***

113.2^***

GS × N

34.1

9.4

16.2

11.0

25.6

Error

23.4

23.1

16.0

12.2

1.8

R²

0.72

0.79

0.84

0.82

0.92

CV

7.44

6.17

7.28

6.38

2.16