DIN ISO 14238:2011 土質. 生物方法. 土壤中氮礦化性和氮化合性的測定和各種化學物質對這些過程的影響 (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)