The Evaluation for Salvinia sp. Adaptation to Iron Concentration on Nutrient Solution and Tidal Swamplands Soil Growing Media
Table 4
The change of pH and Fe concentration in Hoagland nutrient solution after enriched with 7 and 14 ppm Fe during 2 weeks of Salvinia sp. growth.
No.
Salvinia sp. accessions
pH
Average
Fe
Average
7
14
7
14
Control
4.8
4.6
4.7
6.1
11.8
9.0
1
D. Ceramin (FS)
5.4
5.0
5.2 a
4.9
10.2
7.5 a
2
Muning T. (FS)
5.4
4.9
5.1 ab
2.2
9.3
5.8 bc
3
Tawar-2 (FS)
5.2
5.2
5.2 a
3.1
9.1
6.1 bc
4
Paharangan (FS)
5.3
5.3
5.3 a
4.5
9.8
7.1 ab
5
S. Kambat (TS)
5.4
4.6
5.0 ab
2.6
8.9
5.7 c
6
Danda Jaya (TS)
5.4
5.2
5.3 a
3.6
9.5
6.5 abc
7
Gambut (TS)
4.9
4.7
4.8 b
2.1
5.6
3.9d
8
Belandean (TS)
5.3
5.2
5.3 a
2.6
8.5
5.5 c
9
Barambai (TS)
5.3
4.9
5.1 ab
4.1
8.8
6.4 abc
10
Murung K. (TS)
5.2
4.8
5.0 ab
3.4
8.4
5.9 bc
Mean value
5.3 a
5.0 b
3.3 b
8.8 a
Note. Mean followed by the same letters in the same column was not significantly different based on DMRT α 5%. 7, treatment of 7 ppm Fe; 14, treatment of 14 ppm Fe; FS, freshwater swampland; TS, tidal swampland.
