Chemical and Biological Technologies in Agriculture

Table 4 Nemerow indices after bioremediation at Trojan and Freda-Rebecca mine dump sites

From: Pyritic metals sequestration on mine dumps treated with oyster mushroom (Pleurotus ostreatus, Jacq.et Fr.)

Trt	Trojan mine					Freda-Rebecca mine
Trt	Mn²⁺	Cr²⁺	Pb²⁺	Fe³⁺	Cd²⁺	Mn²⁺	Cr²⁺	Pb²⁺	Fe³⁺	Cd²⁺
Trt1	–	–	–	–	–	–	–	–	–	–
Trt2	0.83^a	6.78^a	15.72^a	2.63^a	2.64^a	0.81^a	6.76^a	15.42^a	2.66^a	2.71^a
Trt3	0.45^b	3.75^b	2.22^b	1.38^b	1.91^b	0.48^b	3.74^b	2.26^b	1.39^b	1.79^b
Trt4	0.68^a	6.78^a	15.72^a	2.64^a	2.64^a	0.74^a	6.73^a	15.64^a	2.43^a	2.60^a
Trt5	0.11^d	1.55^d	1.20^d	0.58^c	0.36^c	0.17^d	1.62^c	1.30^d	0.59^b	0.38^c
Lsd (5%)	0.18	1.91	0.80	0.20	0.46	0.32	1.98	0.56	0.43	1.25
Cv%	9.80	3.60	5.20	7.10	4.30	5.20	4.20	8.30	8.20	9.10

Superscripts indicate mean separations that are significant

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