Potential Use of Organic- and Hard-Rock Mine Wastes on Aided Phytostabilization of Large-Scale Mine Tailings under Semiarid Mediterranean Climatic Conditions: Short-Term Field Study

Table 2

General properties of selected organic and inorganic amendments for aided phytostabilization of Cu-sulfidic tailings under semiarid Mediterranean climate conditions.

Amendment	Bulk density	pH	SOC	EC	Sulphate	Total metal (mg/kg)			Total P	Total K	Total N	Total C	C : N
	(g/mL)	(water)	(%)	(mS/cm)	(mg/L)	Cu	Zn	Fe	(mg/kg)	(mg/kg)	(%)	(%)
Biosolids (B)	0.36	6.20	81	7.04	600	483	525	5493	9780	6638	7.4	46.9	6.3
Grape residues (G)	0.45	5.64	94	1.94	201	31	21	937	2800	24500	2.9	56.8	19.6
Olive residues (O)	0.41	5.71	95	2.91	1.25	16	11	2076	800	10500	1.0	54.3	53.8
Goat Manure (M)	0.32	7.92	71	12.18	642	46	58	8517	4100	29700	2.5	40.1	16.2
Sediments (S)	1.12	6.91	0.36	4.20	1386	333	177	n.d.	700	3400	0.12	0.02	0.2
Rubble (R)	1.70	5.28	0.23	5.55	3454	7412	510	n.d.	1300	1500	0.01	0.32	32.0