ILT-U-1301
Determination of nitrogen in soil
V1: Total Kjeldahl Nitrogen – Available; and Total Kjeldahl Nitrogen – Soluble.
V2:
DETERMINATION | METHOD |
| Total nitrogen | Kjeldhal + Devarda |
| Total phosphorus | ICP-OES |
| Potassium | ICP-OES |
V3:
DETERMINATION | METHOD |
| Total nitrogen | FIA |
| Total phosphorus | FIA |
| Potassium | ICP-OES |
