Table 7 Potential ecological risk indices after bioremediation at Renny and Bindura mine dump sites

Trt1

–

–

–

–

–

–

–

–

–

–

Trt2

141^a

282^a

658^a

451^a

343^a

143^a

285^a

662^a

449^a

344^a

Trt3

112^b

137^b

317^b

133^b

145^b

115^b

146^b

316^b

139^b

142^b

Trt4

141^a

281^a

656^a

453^a

339^a

144^a

273^a

663^a

453^a

338^a

Trt5

101^c

112^c

125^c

114^c

114^c

100^c

114^c

121^c

117^c

114^c

Lsd (5%)

12

24

34

19

43

13

24

36

18

43

Cv%

4

7

6

6.6

9

5

5

8

7

8