P kg∙ha⁻¹

N1 kg∙ha⁻¹

N2 kg∙ha⁻¹

N3 kg∙ha⁻¹

N4 kg∙ha⁻¹

Means

P1

8.0

11.0

9.7

10.7

9.8^a

P2

9.0

10.7

10.0

13.3

10.8^b

P3

12.0

9.3

10.7

12.7

11.2^a

Means

8.5^c

10.8^ab

9.8^b

12.0^a

Control

Control vs. rest

9.0

Rest

10.6