Fertilization levels

Direct effect

Residual effect

SEM

p

T0

153.42a

151.45a

1.56

0.214

T1

157.47b

152.42a

1.93

0.0001

T2

160.42b

153.40a

1.95

0.0001

T3

163.82a

198.80b

2.41

0.0001

T4

167.70a

197.88b

1.79

0.0001