Table 6. Growth of five leafy vegetables in HBFT-AP and HP for 23 days (Exp1)

Cultivar (n = 12) Growth factor Initial Culture method
HBFT-AP HP
Multi green (Lactuca sativa) Stem mean weight (g) - 0.78 0.99
Leaf no. - - -
Leaf weight (g) 1.49 ± 0.32 56.15 ± 11.76ns 74.83 ± 12.01
Root mean weight (g) 0.23 3.98 5.20
Leaf length (cm) 3.27 ± 0.14 14.64 ± 0.73ns 15.98 ± 1.39
Multi red (Lactuca sativa) Stem mean weight (g) - 0.69 0.76
Leaf no. - - -
Leaf weight (g) 1.54 ± 0.26 53.93 ± 7.56ns 45.05 ± 6.18
Root mean weight (g) 0.37 2.70 2.76
Leaf length (cm) 3.84 ± 0.41 15.23 ± 0.61ns 14.48 ± 0.71
Swiss chard (Beta vulgaris) Stem mean weight (g) - 0.88 0.78
Leaf no. 4.25 ± 0.35 29.12 ± 3.38* 23.05 ± 3.05
Leaf weight (g) 2.58 ± 0.46 92.70 ± 14.94ns 81.43 ± 13.66
Root mean weight (g) 0.28 2.48 3.98
Leaf length (cm) 4.54 ± 0.26 26.75±2.30ns 23.54±2.46
Abata lettuce (Lactuca sativa) Stem mean weight (g) - 1.44 1.72
Leaf no. 6.85 ± 0.41 20.50 ± 1.78ns 18.33 ± 1.30
Leaf weight (g) 2.72 ± 0.18 76.90 ± 8.88ns 77.79 ± 8.72
Root mean weight (g) 0.41 3.67 5.84
Leaf length (cm) 6.84 ± 0.51 22.43 ± 1.48ns 24.17 ± 0.71
Red romaine lettuce (Lactuca sativa) Stem mean weight (g) - 1.63 0.88
Leaf no. 5.24 ± 0.32 21.33 ± 1.67ns 19.08 ± 1.38
Leaf weight (g) 3.98 ± 0.27 70.81 ± 5.00ns 72.61 ± 9.40
Root mean weight (g) 0.39 5.32 2.48
Leaf length (cm) 6.72 ± 0.63 28.97 ± 0.68 ns 30.08 ± 0.80
Values (means ± SD of sampled leafy vegetables) with * superscripts in the same line are significantly different (p < 0.05). HBFT-AP, hybrid biofloc technology-aquaponics; HP, hydroponics; ns, nonsignificant.