Table 1 Mean monthly values of some climatic parameters inside the experimental unit and outside of the greenhouse.

From: Intra-canopy LED lighting outperformed top LED lighting in improving tomato yield and expression of the genes responsible for lycopene, phytoene and vitamin C synthesis

 

Inside the greenhouse

Outside the greenhouse

Month

T (°C)

RH (%)

DLI (mol m−2 d−1)

T (°C)

RH (%)

DLI (mol m−2 d−1)

Control

Top-lighting

Intra-lighting

Top + Intra- lighting

September

N/A*

N/A

12.52

N/A

N/A

N/A

21.3

77.6

35.78

October

20.3

79.2

9.56

15.43

8.30 + 9.56

15.43 + 8.30

16.4

79.3

27.31

November

17.7

76.8

6.57

14.58

8.10 + 6.57

14.58 + 8.10

9.4

78.5

18.76

December

18.6

71.5

5.28

13.73

7.90 + 5.28

13.73 + 7.90

7.9

79.4

15.09

January

19.3

70.2

6.53

14.16

8.00 + 6.53

14.16 + 8.00

9.3

78.2

18.65

February

19.3

67.9

7.89

14.16

8.00 + 7.89

14.16 + 8.00

8.7

76.7

22.54

March

21.1

69.8

9.86

15.43

8.30 + 9.86

15.43 + 8.30

15.9

77.5

28.18

April

22.6

76.2

10.85

16.27

8.50 + 10.86

16.27 + 8.50

19.7

76.8

30.99

May

26.4

80.3

16.40

17.12

8.69 + 16.40

17.12 + 8.69

25.3

71.1

46.87

Jun

29.3

80.5

16.98

17.96

8.89 + 16.98

17.96 + 8.89

28.5

73.6

54.23

July

31.4

80.2

16.23

17.54

8.79 + 16.23

17.54 + 8.79

28.7

71.8

46.38

August

N/A

N/A

11.97

N/A

N/A

N/A

26.7

74.3

34.20

  1. *N/A: not applicable.
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