Table 1.
Total zinc, sodium, calcium, iron, magnesium, manganese, phosphorus, potassium, and nitrogen concentrations for tillers and roots of Spartina densiflora in response to a treatment with a range of salinity concentrations at 0 mmol l−1 and 1 mmol l−1mmol l−1 Zn over 90 d
| Treatment | Concentration | |||||||||
| [Zn] (mmol l−1) | Salinity (%) | Zn (mg kg−1) | Na (mg g−1) | Ca (mg g−1) | Fe (mg kg−1) | Mg (mg g−1) | Mn (mg kg−1) | P (mg g−1) | K (mg g−1) | N (%) |
| Tillers | ||||||||||
| 0 | 0 | 56 a | 5.6 c | 5.6 a | 1542 a | 6.9 a | 70.5 b | 5.8 a | 42.3 a | 2.84 a |
| 0 | 1 | 38 b | 17.6 b | 4.9 b | 399 c | 5.6 b | 46.3 c | 4.6 b | 29.8 b | 2.68 a |
| 0 | 3 | 57 a | 29.0 a | 3.1 c | 984 b | 2.9 c | 91.0 a | 4.1 c | 24.9 c | 2.75 a |
| 1 | 0 | 110 c | 3.2 c | 4.2 b | 820 a | 5.6 a | 50.3 b | 5.3 a | 47.0 a | 2.81 b |
| 1 | 1 | 128 b | 18.2 b | 5.0 a | 406 c | 5.9 a | 36.8 c | 4.7 b | 33.3 b | 2.68 b |
| 1 | 3 | 198 a | 23.1 a | 3.0 c | 610 b | 2.7 b | 110.5 a | 4.1 c | 19.7 c | 3.17 a |
| Roots | ||||||||||
| 0 | 0 | 113 b | 5.1 c | 6.6 a | 1677 c | 3.9 a | 61.8 b | 5.6 a | 27.0 b | 3.14 a |
| 0 | 1 | 103 c | 14.1 b | 4.4 b | 2313 a | 3.8 a | 54.1 c | 5.5 a | 30.6 a | 2.45 b |
| 0 | 3 | 227 a | 19.2 a | 2.0 c | 2008 b | 2.2 b | 96.2 a | 3.2 b | 21.4 c | 1.70 c |
| 1 | 0 | 1275 b | 5.0 c | 4.5 a | 3024 b | 6.3 a | 57.2 b | 4.7 a | 27.3 a | 3.05 a |
| 1 | 1 | 754 c | 12.6 b | 3.6 b | 573 c | 3.7 b | 22.2 c | 4.1 b | 28.3 a | 2.26 c |
| 1 | 3 | 2908 a | 18.6 a | 3.1 b | 9068 a | 4.1 b | 215.8 a | 4.7 a | 19.8 b | 2.59 b |
Means within a salinity treatment that have different letter are significantly different from each other (LSD test, P < 0.05).