Time (days)

^aCa

K

Mg

P

Cu

Fe

Mn

Na

Zn

0

0.91^c

1.16^d

0.53^a

0.14^a

9.04^c

76.20^c

81.40^c

53.45^d

27.78^d

7

0.93^bc

1.70^bc

0.52^a

0.09^c

12.70^bc

65.42^c

78.91^c

105.67^c

34.47^c

14

1.04^bc

1.63^c

0.52^a

0.09^c

14.32^b

79.74^c

88.88b^c

155.18^b

40.41^b

21

1.06^b

1.92^ab

0.52^a

0.12^b

22.28^a

107.65^b

105.28^a

195.01^a

49.39^a

28

1.22^a

1.97^a

0.54^a

0.14^a

20.62^a

126.30^a

142.68^a

198.69^a

44.64^ab

Mean

1.03

1.68

0.52

0.12

15.79

91.06

99.39

141.60

39.34