Mean soil salt properties.
| Site | Date | Depth (cm) | Sodium (μg/g) | Chloride (μg/g) | PH | SAR | ESP |
|---|---|---|---|---|---|---|---|
| Medians of Lake Shore Drive, Chicago. | |||||||
| Narrow, raised | Dec. 1991 | 0-10 | 424+11 | 106+26 | 7.6±0.1 | 10.8+0.1 | 9.3±0.3 |
| March 1993 | 0-10 | 1272+443 | 348±73 | 7.9±0.5 | 32.7+12.9 | 23.7+8.1 | |
| Wide, at grade | Dec. 1991 | 0-10 | 344+381 | 56+16 | 7.6+0.2 | 8.2±8.9 | 6.5±6.9 |
| March 1993 | 0-10 | 236+78 | 23±8 | 7.6±0.1 | 5.8+2.1 | 4.8+1.8 | |
| For the planter types in Downers Grove. | |||||||
| Grade level | Aug. 1991 | 0-10 | 1600+686 | 278+173 | 8.1 ±0.1 | 48.9+18 | 40.6+9.4 |
| May 1993* | 0-10 | 1529 | 129 | 8.5 | 41.8 | 37.6 | |
| Aug.1991 | 20-30 | 1486+586 | 440±42 | 8.5+0.1 | 48.0+15 | 40.4±7.7 | |
| May 1993* | 20-30 | 2277 | 223 | 8.1 | 63.2 | 47.7 | |
| Raised | Aug 1991 | 0-10 | 199+13 | 220±57 | 7.5±0.I | 3.8±0.8 | 4.2+1.2 |
| May 1993* | 0-10 | 217 | 104 | 7.8 | 4.3 | 4.8 | |
| Aug. 1991 | 20-30 | 127+28 | 180+28 | 7.3±ũ.1 | 2.6+0.1 | 2.4+0.1 | |
| May 1993* | 20-30 | 93 | 110 | 7.4 | 2.1 | 1.8 |
↵* May 1993 included only one site