Sample

mg・kg⁻¹

Ammonium

Nitrite

Nitrate

Phosphate

NF

^*

2.9 ± 1.4

138.9 ± 2.1^c

63.3 ± 2.2^ab

OPP

17.6 ± 1.0^b

^*

273.6 ± 0.6^b

61.0 ± 1.3^b

RP

214.8 ± 1.7^a

^*

363.2 ± 1.3^a

72.0 ± 1.5^a