NA 119
DIN Standards Committee Water Practice
Standards
[Withdrawn]
DIN 19684-4
DIN 19684-4
Methods of soil analysis for water management for agricultural purposes; Chemical laboratory tests; Determination of the total nitrogen content of the soil
Title (German)
Bodenuntersuchuchungsverfahren im Landwirtschaftlichen Wasserbau; Chemische Laboruntersuchungen, Bestimmung des Gehaltes an Gesamt-Stickstoff im Boden