Table 7.
Influence of cultivar, fertilization type, and irrigation regime on microelement and heavy metal concentrations in tomato fruits.
| Treatment | Cu (mg·kg−1 f.w.) | Fe (mg·kg−1 f.w.) | Mn (mg·kg−1 f.w.) | Zn (mg·kg−1 f.w.) | Cr (mg·kg−1 f.w.) | Ni (mg·kg−1 f.w.) | Pb (mg·kg−1 f.w.) |
|---|---|---|---|---|---|---|---|
| Cultivar | |||||||
| Siriana F1 (S) | 40.00 ± 1.84 | 57.74 ± 0.85 | 2.77 ± 0.10 b | 252.50 ± 16.49 a | 100.75 ± 0.80 | 65.00 ± 1.31 a | 62.00 ± 4.18 a |
| HTP F1 (H) | 36.50 ± 0.44 | 50.94 ± 2.71 | 4.82 ± 0.06 a | 223.00 ± 2.61 a | 91.00 ± 1.21 | 40.00 ± 0.89 b | 35.25 ± 0.97 b |
| Inima de Bou (IB) | 39.50 ± 0.75 | 50.53 ± 2.83 | 4.65 ± 0.09 a | 175.50 ± 3.96 b | 95.75 ± 10.98 | 56.00 ± 3.77 a | 45.00 ± 0.83 b |
| ns | ns | ns | |||||
| Fertilization type | |||||||
| Chemical (Ch) | 42.33 ± 0.50 a | 55.82 ± 3.22 | 4.15 ± 0.16 a | 232.00 ± 2.79 | 101.67 ± 3.53 | 59.34 ± 3.16 a | 54.00 ± 1.06 a |
| Organic (Og) | 35.00 ± 0.80 b | 50.30 ± 1.07 | 3.67 ± 0.01 b | 202.00 ± 13.31 | 90.00 ± 5.20 | 48.00 ± 0.76 b | 40.83 ± 2.01 b |
| ns | ns | ns | |||||
| Irrigation regime | |||||||
| 200 m3·ha−1 | 39.34 ± 1.22 | 54.05 ± 3.34 | 4.00 ± 0.14 | 225.83 ± 5.39 | 98.00 ± 1.14 | 56.34 ± 1.64 | 50.67 ± 1.35 a |
| 300 m3·ha−1 | 38.00 ± 1.53 | 52.07 ± 1.10 | 3.82 ± 0.13 | 208.17 ± 10.38 | 93.66 ± 7.13 | 51.00 ± 2.30 | 44.16 ± 1.62 b |
| ns | ns | ns | ns | ns | ns |
S—Siriana F1; H—HTP F1; IB—Inima de Bou; Ch—chemical; Og—organic; 200—200 m3·ha−1 (67% ET replenishment); 300—300 m3·ha−1 (100% ET replenishment); ns: not statistically significant. Within each column and within a treatment, different letters mean treatments differ significantly according to Tukey’s test at p ≤ 0.05.