total N method
reference or method used in determining the total N
{PMID|DOI|URL}
tot n meth; total n method
MIGS.ba.soil.6.0; MIGS.eu.soil.6.0; MIGS.vi.soil.6.0; MIMAG.soil.6.0; MIMARKS.specimen.soil.6.0; MIMARKS.survey.soil.6.0; MIMS.me.soil.6.0; MISAG.soil.6.0; MIUVIG.soil.6.0