Economic and Environmental Geology

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Table. 2.

Table. 2.

Analytical methods for soil fertility indicators in rainfall leachates

Indicator Analytical instrument
Major pH/EC pH/EC meter
Ex. cation (Na+, K+, Ca2+, Mg2+) ICP-OES
Total organic carbon (TOC) Autoanalyzer
Total-N (T-N) Autoanalyzer
NO3-N IC
NH4-N Colorimeter
Total-P (T-P) UV-vis spectrophotometer
Available-P (Av. P (Av. P2O5)) UV-vis spectrophotometer
Total-S (T-S) ICP-OES
Available-S (Av. S (SO4)) IC
Auxiliary Available B (Av. B) ICP-OES
Trace element (Fe, Mn, Zn, Cu, Ni, etc) ICP- OES
Econ. Environ. Geol. 2021;54:409-25 https://doi.org/10.9719/EEG.2021.54.4.409
© 2021 Econ. Environ. Geol.