Tillage

No-Till

Cover

No-Cover

Cover

No-Cover

P (kg/ha)

264 a

215 b

247 a

211 b

K (kg/ha)

194 a

133 b

167 a

130 b

Mn (kg/ha)

33 a

25 b

31 a

24 b

OM (%)

1.41 a

0.87 b

1.42 a

0.97 b