Fe

Mn

p

S

As

0.993

0.448

0.061

0.206

(<0.001)

(0.028)

(0.710)

(0.196)

Fe

-

0.789

0.166

0.314

(<0.001)

(0.307)

(0.045)

Mn

-

-

0.195

0.127

(0.229)

(0.427)

P

-

-

-

0.211

(0.190)

S

-

-

-

-