Crop

Tillage

P

K

Zn

%

ppm

Corn

CT

0.05

0.85

13.20

Corn

NT

0.04

0.91

14.43

P-values (α = 0.05)

0.408

0.796

0.329

Significance

N.S.

N.S.

N.S.

Soybean

CT

0.08

1.14

32.67

Soybean

NT

0.08

0.97

44.80

P-values (α = 0.05)

0.539

0.026

0.327

Significance

N.S.

*

N.S.