DIN ISO 14238:2011 土质. 生物方法. 土壤中氮矿化性和氮化合性的测定和各种化学物质对这些过程的影响 (ISO/DIS 14238-2011)
Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO/DIS 14238:2011)