Fertilization levels

Direct effect

Residual effect

SEM

p

T₀

3.60^b

2.48^a

0.05

0.0001

T₁

4.03^b

2.78^a

0.06

0.0001

T₂

4.10^b

2.85^a

0.08

0.0001

T₃

4.00^b

2.93^a

0.06

0.0001

T₄

4.08^b

2.95^a

0.03

0.0001