Mahalanobis distance

#

STN

group mean

N

C/N

N rate

Yield_t

Yield₀

BRR

<5.5 group

g∙kg⁻¹

kg N ha⁻¹

Mg ha⁻¹

9

3.16

21.7

21.8

60

56.7

52.9

1.13^a

3.35

21.5

22.2

120

58.9

53.9

1.11^a

3.35

21.5

22.2

180

58.7

53.9

1.11^a

>5.5 group

4

10.30

15.5

25.8

60

38.0

33.4

1.23^ns

10.55

15.6

25.3

120

40.1

30.1

1.30^ns

10.55

15.6

25.3

180

38.8

30.1

1.36^a