Element

Cont.

350 ppm Cu²⁺

Cont. + IAA

350 ppm Cu²⁺ + IAA

Aluminum

28.40

15.20**

9.70

10.90

Iron

16.04

44.30**

15.80

17.00*

Zinc

6.93

3.90**

4.40

5.50

Boron

2.80

2.90

2.60

2.50

Manganese

2.60

2.60

2.90

2.90

Cadmium

0.02

0.01

0.02

0.01

Cobalt

0.02

0.01

0.05

0.03

Lead

0.40

0.20

0.20

0.20

Chromium

0.21

0.41

0.20

0.20

Copper

1.60

2.80

2.50

2.90