Table 1.
Average (n = 5) element concentration [mg (gfw)−1] of broccoli microgreens grown on compost (C), or hydroponically with a 0.4% solution of General Hydroponics® FloraGro® Advanced Nutrient System® 2-1-6 (GH Inc., Sebastopol, CA, USA) (HFG) or with water only (HW); gfw, grams fresh weight plant material.
| Element | Cultivation method |
|||||
|---|---|---|---|---|---|---|
|
C |
HFG |
HW |
||||
| mg (gfw)−1 | SE | mg (gfw)−1 | SE | mg (gfw)−1 | SE | |
| N | 5.00 | 0.11 | 5.03 | 0.08 | 5.72 | 0.14 |
| P | 0.76 | 0.01 | 0.67 | 0.01 | 0.75 | 0.02 |
| K | 4.22 | 0.07 | 1.01 | 0.02 | 0.79 | 0.01 |
| Ca | 0.59 | 0.01 | 0.29 | 0.01 | 0.32 | 0.01 |
| Mg | 0.40 | 0.01 | 0.33 | 0.01 | 0.36 | 0.01 |
| S | 1.40 | 0.03 | 1.22 | 0.02 | 1.36 | 0.03 |
| Na | 0.66 | 0.01 | 0.22 | 0.0003 | 0.22 | 0.0005 |
| Mn | 5.09E−03 | 1.05E−04 | 2.42E−03 | 6.99E−05 | 2.90E−03 | 6.38E−05 |
| Fe | 1.25E−02 | 2.40E−03 | 4.87E−03 | 2.16E−04 | 6.12E−03 | 9.44E−05 |
| Cu | 5.23E−04 | 1.32E−05 | 3.31E−04 | 2.10E−05 | 3.79E−04 | 2.17E−05 |
| B | 1.50E−03 | 6.74E−05 | 1.16E−03 | 7.20E−05 | 1.55E−03 | 5.55E−05 |
| Al | 7.04E−03 | 1.94E−03 | 1.05E−03 | 9.96E−05 | 8.84E−04 | 5.74E−05 |
| Zn | 7.32E−03 | 1.28E−04 | 4.70E−03 | 7.77E−05 | 5.37E−03 | 1.20E−04 |