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Table 4 Effects of fertilizers on tissue density at harvest

From: Efficiency and effectiveness of vitamin C-substrate organo-mineral straight fertilizer in lettuce (Lactuca sativa L.)

Treatment groups Root Stem Leaf
Fresh weight (g/plant) Dry weight (g/plant) Fresh weight (g/plant) Dry weight (g/plant) Fresh weight (g/plant) Dry weight (g/plant)
Control (water only) 0.5 ± 0.01b 0.07 ± 0.01c 0.1 ± 0.1c 0.01 ± 0.001b 5.80 ± 0.8c 0.40 ± 0.1c
r-Ringer (1/2000) 1.0 ± 0.2a 0.13 ± 0.03ab 0.3 ± 0.1bc 0.01 ± 0.001b 12.9 ± 5.0b 0.70 ± 0.2b
AGH-Ringer (1/2000) 0.9 ± 0.1a 0.1 ± 0.01b 0.2 ± 0.1bc 0.01 ± 0.001b 10.9 ± 1.6bc 0.60 ± 0.1b
AGH-Ringer (1/1000) 1.1 ± 0.2a 0.2 ± 0.03a 0.6 ± 0.02a 0.04 ± 0.001a 19.2 ± 3.8a 1.20 ± 0.2a
AGH-Ringer (1/500) 1.0 ± 0.1a 0.1 ± 0.02ab 0.3 ± 0.1b 0.02 ± 0.01b 13.0 ± 2.0b 0.90 ± 0.1b
  1. All data are expressed as mean ± standard deviation (n = 3). Different letters show a significant difference at p < 0.05 as determined by Duncan’s multiple range tests