DIN ISO 14238:2011 土質(zhì). 生物方法. 土壤中氮礦化性和氮化合性的測定和各種化學(xué)物質(zhì)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)