Table 4. Nutrient content in control (A) and enhanced treatment (B, C, D) solutions (mg/L).

From: Anti-staphylococcal activity of soilless cultivated cannabis across the whole vegetation cycle under various nutritional treatments in relation to cannabinoid content

Treatment

Elements

Weeks

1

2

3

4

5

6–9

10–13

Aa, Cc

N

100 ± 1

115 ± 1

129 ± 2

150 ± 2

129 ± 2

150 ± 2

DMWf

Bb, Dd

302 ± 2

333 ± 3

352 ± 3

332 ± 3

353 ± 3

DMWf

Aa, Bb

P

32.2 ± 0.5

39.9 ± 0.6

44.0 ± 0.8

51.9 ± 0.6

44.0 ± 0.8

51.9 ± 0.7

DMWf

Cc, Dd

92.0 ± 1.8

92.9 ± 1.8

DMWf

Aa, Bb

K

125 ± 2

151 ± 1

174 ± 2

194 ± 2

174 ± 2

194 ± 2

DMWf

Cc, Dd

258 ± 2

266 ± 3

DMWf

Alle

Ca

98.3 ± 1.2

120 ± 2

133 ± 2

147 ± 2

133 ± 1

144 ± 2

DMWf

Alle

Mg

25.3 ± 0.3

30.9 ± 0.3

34.0 ± 0.5

40.0 ± 0.4

33.0 ± 0.4

38.6 ± 0.6

DMWf

Aa, Cc

S

21.5 ± 0.2

26.0 ± 0.9

30.9 ± 0.4

33.7 ± 0.3

30.8 ± 0.4

34.9 ± 0.3

DMWf

Bb, Dd

51.1 ± 0.6

56.0 ± 0.5

62.0 ± 0.9

55.9 ± 0.6

62.0 ± 0.8

DMWf

Aa, Bb

Fe

0.92 ± 0.10

1.13 ± 0.08

1.20 ± 0.09

1.47 ± 0.08

1.20 ± 0.10

1.46 ± 0.08

DMWf

Cc, Dd

12.2 ± 0.3

13.7 ± 0.9

DMWf

Alle

Mn

0.65 ± 0.05

0.74 ± 0.04

0.80 ± 0.06

1.00 ± 0.08

0.76 ± 0.07

0.94 ± 0.09

DMWf

Alle

Zn

0.21 ± 0.05

0.28 ± 0.01

0.28 ± 0.03

0.35 ± 0.04

0.29 ± 0.05

0.33 ± 0.05

DMWf

Alle

Cu

0.07 ± 0.01

0.08 ± 0.01

0.10 ± 0.01

0.13 ± 0.01

0.11 ± 0.02

0.11 ± 0.01

DMWf

Alle

B

0.16 ± 0.01

0.19 ± 0.02

0.21 ± 0.01

0.25 ± 0.02

0.22 ± 0.02

0.24 ± 0.02

DMWf

Alle

Mo

0.01 ± 0.00

0.02 ± 0.00

0.02 ± 0.00

0.03 ± 0.00

0.02 ± 0.01

0.02 ± 0.01

DMWf

Aa

EC

0.97 ± 0.01

1.20 ± 0.01

1.46 ± 0.01

1.74 ± 0.01

1.46 ± 0.01

1.74 ± 0.01

DMWf

Cc

2.05 ± 0.02

2.34 ± 0.06

DMWf

Bb

1.38 ± 0.01

1.71 ± 0.01

2.14 ± 0.01

1.71 ± 0.01

2.14 ± 0.01

DMWf

Dd

2.30 ± 0.02

2.74 ± 0.02

DMWf

  1. aA, control treatment; bB, enhanced treatment with addition of amino acids; cC, enhanced treatment with addition of P, K, and Fe; dD, enhanced treatments with the addition of amino acids, P, K, and Fe; eall, control and enhanced treatments. fDMW, demineralized water.