SLFs

NH4+

NO3

H2PO4

CL

SO42−

pH

EC

Concentration (mM)

(s/m)

SLF1

0.12 ± 0.04

2.68 ± 0.00

0.84 ± 0.00

2.09 ± 0.00

0.26 ± 0.00

3.48 ± 0.01

1.51 ± 0.01

SLF2

63.56 ± 0.56

3.03 ± 0.10

1.65 ± 0.03

2.15 ± 0.00

0.17 ± 0.00

7.16 ± 0.01

2.06 ± 0.01

SLF3

0.40 ± 0.00

1.94 ± 0.02

0.85 ± 0.01

1.43 ± 0.00

0.23 ± 0.00

3.85 ± 0.01

1.01 ± 0.00

SLF4

50.22 ± 0.60

2.08 ± 0.06

2.13 ± 0.02

2.01 ± 0.00

0.26 ± 0.00

6.38 ± 0.01

1.51 ± 0.00