Horizon	SOM percent	P Bray-1	S 2 M KCl	P AR	S AR
Horizon	SOM percent	mg/kg	mg/kg	mg/kg	mg/kg
Alred
A	7.8	41	66	280	290
E1	0.6	25	14	100	60
E2	0.3	11	13	90	40
2Bt1	0.3	3	9	120	60
2Bt2	0.3	10	9	100	110
2Bt3	0.3	3	14	110	80
2Bt4	0.4	3	5	110	70
Rueter
A	8.1	28	9	220	180
E	3.5	35	7	120	50
Bt1	1.1	7	36	120	40
2Bt2	0.8	5	15	130	40
2Bt3	0.7	11	9	150	50