P kg∙ha⁻¹

N1 kg∙ha⁻¹

N2 kg∙ha⁻¹

N3 kg∙ha⁻¹

N4 kg∙ha⁻¹

Means

P1

241.7

305.7

298.3

316.7

281.9^a

P2

269.0

170.0

318.3

371.7

252.4^a

P3

360.0

251.3

310.0

358.0

307.1^b

Means

290.2^c

242.3^bc

308.9^b

348.8^a

Control

Control vs. rest

202.0

Rest

297.6