Table 1.
Yield attributes of three microgreen species (lettuce, mustard, and rocket) in response to nutrient deprivation treatment (DBH) applied for 6 or 12 days before harvest. All data are expressed as mean ± standard error, n = 3.
| Fresh Weight | Dry Weight | DM | ||||
|---|---|---|---|---|---|---|
| (kg m−2) | (g m−2) | (%) | ||||
| Species | *** | *** | *** | |||
| DBH | *** | n.s. | *** | |||
| Species*DBH | n.s. | *** | *** | |||
| Lettuce | 2.35 ± 0.06 | b | 106.25 ± 1.39 | b | 4.53 ± 0.08 | c |
| Mustard | 2.68 ± 0.07 | a | 162.18 ± 1.38 | a | 6.08 ± 0.13 | b |
| Rocket | 1.44 ± 0.05 | c | 100.71 ± 2.27 | c | 7.09 ± 0.4 | a |
| 0 | 2.33 ± 0.2 | a | 122.28 ± 11.11 | 5.31 ± 0.27 | c | |
| 6 | 2.2 ± 0.18 | b | 124.03 ± 9.67 | 5.76 ± 0.34 | b | |
| 12 | 1.94 ± 0.18 | c | 122.83 ± 9 | 6.63 ± 0.55 | a | |
| Lettuce, 0 | 2.53 ± 0.04 | 108.74 ± 0.91 | b | 4.3 ± 0.04 | d | |
| Lettuce, 6 | 2.38 ± 0.01 | 107.4 ± 1.29 | b | 4.51 ± 0.04 | d | |
| Lettuce, 12 | 2.14 ± 0.06 | 102.6 ± 3.23 | b | 4.79 ± 0.07 | d | |
| Mustard, 0 | 2.89 ± 0.03 | 165.62 ± 2.04 | a | 5.73 ± 0.12 | c | |
| Mustard, 6 | 2.72 ± 0.03 | 162.52 ± 1.2 | a | 5.98 ± 0.02 | c | |
| Mustard, 12 | 2.43 ± 0.03 | 158.4 ± 1.99 | a | 6.52 ± 0.11 | b | |
| Rocket, 0 | 1.57 ± 0.05 | 92.47 ± 0.36 | c | 5.91 ± 0.21 | c | |
| Rocket, 6 | 1.5 ± 0.02 | 102.17 ± 1.38 | b | 6.81 ± 0.01 | b | |
| Rocket, 12 | 1.26 ± 0.03 | 107.49 ± 1.42 | b | 8.57 ± 0.11 | a |
n.s., *** Nonsignificant or significant at p ≤ 0.001, respectively. Different letters within each column indicate significant differences according to Tukey–Kramer HSD test (p = 0.05). DM: dry matter percentage.