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Table 3 Effects of fertilizers on growth at harvest

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

Treatment groups

Plant height (cm)

Stem diameter (mm)

Leaf length (cm)

Leaf width (cm)

Leaf number (ea/plant)

Leaf diameter (mm)

Chlorophyll (mg/g FW)

Root length (cm)

Control (water only)

22.1 ± 1.6b

3.0 ± 1.0c

12.6 ± 1.4d

6.5 ± 0.4b

7.7 ± 1.2b

0.2 ± 0.1a

21.2 ± 0.5a

8.3 ± 0.3a

r-Ringer (1/2000)

24.4 ± 0.7a

5.5 ± 0.8b

16.4 ± 0.8ab

9.6 ± 1.2a

9.3 ± 1.5ab

0.4 ± 0.5a

21.3 ± 3.1a

8.0 ± 0.5a

AGH-Ringer (1/2000)

 

5.6 ± 0.2b

14.5 ± 1.4c

7.2 ± 0.9b

9.0 ± 1.0ab

0.1 ± 0.01a

21.4 ± 2.0a

7.8 ± 0.6a

AGH-Ringer (1/1000)

25.8 ± 0.8a

6.9 ± 0.7a

17.6 ± 0.3a

9.6 ± 0.2a

11.0 ± 1.7a

0.1 ± 0.01a

23.3 ± 7.4a

6.8 ± 0.5b

AGH-Ringer (1/500)

23.7 ± 1.2ab

5.5 ± 0.4b

15.2 ± 0.1bc

7.8 ± 0.8b

10.3 ± 1.5ab

0.2 ± 0.01a

20.6 ± 1.1a

6.5 ± 0.9b

  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