Parameters

Months

September

April

Fe

88.780 ± 4.650^a*

166.510 ± 9.150^b

Cr

0.212 ± 0.012^a

0.437 ± 0.031^b

Cu

0.169 ± 0.008^a

0.304 ± 0.012^b

Mn

2.796 ± 0.119^a

5.414 ± 0.210^b

Ni

0.258 ± 0.010^a

0.493 ± 0.025^b

Pb

0.066 ± 0.003^a

0.100 ± 0.002^b

Zn

0.262 ± 0.015^a

0.491 ± 0.034^b