Table 2.

Growth Rates and Carrying Capacities of GSP Isolates in High Concentrations of Magnesium and Sulfate Salts

	Growth of GSP isolate (% low salt controlb)
Mediuma	3	10	11	17	21	63
Growth rate
1 M LiSO4	28	30	31	48	28	36
1 M MgCl2	36	34	43	31	44	54
1 M Na2SO4	14	21	19	19	20	18
1 M MgSO4	17	17	16	19	14	9
2 M MgSO4	17	19	34	21	32	11
Maximum culture density
1 M LiSO4	61	61	66	61	56	61
1 M MgCl2	57	58	59	56	63	69
1 M Na2SO4	61	58	57	48	54	53
1 M MgSO4	54	61	62	65	57	44
2 M MgSO4	42	41	38	60	38	36

^aSP medium with 1% NaCl supplemented with listed salts.

^bSP medium with 1% NaCl.