Dry matter (%)

Total oxalate

Soluble oxalate

Insoluble oxalate

Plant treatment

Tap water

Fertilizer solution

Tap water

Fertilizer solution

Tap water

Fertiliser solution

Tap water

Fertilizer solution

Leaves

Small

5.26

8.20

10.71 ± 0.06

5.23 ± 0.03

4.17 ± 0.00

(38.9)

2.44 ± 0.01

(46.7)

6.54 ± 0.06

2.79 ± 0.02

Large

6.99

8.19

8.04 ± 0.01

4.70 ± 0.02

7.48 ± 0.06

(93.0)

2.78 ± 0.01

(59.1)

0.56 ± 0.05

1.92 ± 0.01

Cauline

9.28

10.35

3.06 ± 0.01

2.61 ± 0.01

2.55 ± 0.03

(83.3)

1.75 ± 0.01

(67.0)

0.51 ± 0.02

0.86 ± 0.01

Stems

Small

5.08

5.21

6.02 ± 0.06

2.62 ± 0.03

3.75 ± 0.01

(62.3)

1.46 ± 0.00

(55.7)

2.27 ± 0.05

1.16 ± 0.03

Large

6.25

6.68

5.03 ± 0.06

1.77 ± 0.01

4.41 ± 0.03

(87.7)

1.20 ± 0.01

(67.8)

0.62 ± 0.03

0.57 ± 0.00

Flowers

10.32

12.15

2.30 ± 0.00

2.39 ± 0.01

2.27 ± 0.00 (98.7)

2.21 ±0.01

(92.5)

0.02 ± 0.00

0.18 ± 0.00