Tol

Sus

Tol

Sus

Tol

Sus

Tol

Sus

SE

Tolerance

N rate

0 N

Grasspea only

Grasspea + 30 kg ha⁻¹ inorganic N

Grasspea + 60 kg ha⁻¹ inorganic N

p-value

Chlorophyll content

m·gm⁻²

458

463

458

451

469

465

472

482

33

0.95

0.79

Leaf fresh weight

g

8.04

6.41

7.40

728

7.69

6.94

7.73

7.43

0.68

0.04

0.90

Leaf dry weight

g

2.19

1.60

2.03

1.82

2.03

1.72

2.16

1.85

0.20

<0.01

0.80

Percent moisture

%

74.61

76.85

74.64

76.47

75.11

76.16

73.16

75.86

0.51

<0.01

0.53

Plant height

cm

52.39

50.70

53.12

51.46

52.51

51.56

54.42

54.37

4.20

0.60

0.78

Number of nodes

10

10

9

10

10

10

11

11

1

0.69

0.17

LAI

m²m⁻²

2.18

2.30

2.42

2.41

2.46

2.81

2.33

3.02

0.33

0.08

0.20

Canopeo

%

48.92

47.23

51.36

51.95

51.52

52.38

50.40

52.96

0.05

0.33

0.23

Leaf C

%

39.98

39.18

40.44

39.40

40.41

39.93

39.98

39.53

0.04

0.17

0.86

Leaf N

%

4.14

4.20

4.17

4.23

4.14

4.17

3.97

4.12

0.10

0.70

0.94

Water use

mm

310

312

308

312

304

305

301

308

4

0.09

0.03