Table 2.

Percent exchangeable sodium at twelve randomly selected sites. Samples taken from grassed, lawn situations (L) and denuded, roadside locations (R).

Compact Decline				Compact Non-decline				Non-compact Decline				Non-compact Non-decline
		0-15	15-30			0-15	15-30			0-15	15-30			0-15	15-30
No.	Type	cm	cm	No.	Type	cm	cm	No.	Type	cm	cm	No.	Type	cm	cm
1	L	0.6	0.7	12	L	1.4	2.3	21	L	0.5	0.6	32	L	0.2	2.0
	L	0.4	0.9		L	1.6	1.8		L	0.4	0.6		L	0.3	0.4
	L	0.6	0.6		L	2.6	5.8		R	3.4	2.5		R	0.2	0.7
	L	0.7	1.2		L	2.1	4.9		R	2.9	2.1		R	0.4	0.8
5	L	1.6	1.2	17	L	2.7	2.4	22	L	0.5	0.6	34	L	0.2	2.5
	L	0.7	0.7		L	1.1	1.7		L	0.3	0.7		L	1.6	0.4
	R	2.2	2.2		R	1.4	2.0		L	0.9	1.4		R	2.9	3.3
	R	1.4	3.0		R	1.9	3.3		R	6.8	7.3		R	1.8	4.3
7	L	0.6	0.7	20	L	1.7	1.3	24	L	0.4	0.8	36	L	0.2	0.2
	L	1.2	1.0		L	1.7	2.1		L	0.2	0.3		L	0.5	0.4
	L	1.3	1.7		R	2.8	6.7		R	3.1	3.8		L	0.2	0.7
	R	7.5	14.7		R	3.5	3.9		R	5.2	5.9		R	1.1	0.9
Average lawn¹		0.9	(0.4)			2.8	(1.8)			0.6	(0.3)			0.7	(0.7)
Average road		5.2	(4.7)			3.2	(1.6)			4.3	(1.8)			1.6	(1.3)

↵¹ The reported values are means for the combined depths. Standard deviations are given in parenthesis.