Two Star

C (%)

SO4-S (%)

Fe (ppm)

Control

38.69 a

0.14 c

96.4

UV-A

39.00 a

0.17 b

111.1

UV-B

37.54 b

0.19 b

100.0

UV-AB

37.62 b

0.21 a

150.3

Significance

**

***

NS