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

Chemical and Biological Technologies in Agriculture

Table 2 Organic matter content in mine dump waste before and after treatment with oyster mushroom

Trts	Organic matter content in mine dump waste before and after treatments (%)
	Freda-Rebecca mine		Trojan mine		Renny mine		Bindura mine
	Before trt	After trt	Before trt	After trt	Before trt	After trt	Before trt	After trt
1	9.3^a	9.4^a	9.3^a	9.3^a	9.4^a	9.4^a	9.3^a	9.3^a
2	3.2^b	3.4^b	3.1^b	3.2^b	3.4^b	3.3^b	3.1^b	3.2^b
3	3.1^b	5.3^c	3.3^b	5.8^c	3.2^b	6.1^c	3.1^b	5.9^c
4	3.3^b	4.8^d	3.4^b	4.7^d	3.1^b	4.9^d	3.0^b	4.5^d
5	3.2^b	8.1^e	3.3^b	7.8^e	3.2^b	7.9^e	3.1^b	7.8^e
Lsd	0.5	0.4	0.7	1.5	0.8	1.1	0.6	1.2
CV (%)	11.0	7.0	13.0	4.0	10.0	9.0	5.0	8.0

Trt treatments, Lsd least significant difference, CV coefficient of variation
Superscripts indicate mean separations that are significant