NF X31-423-2*NF ISO 14256-2:2007 土壤質量.氯化鉀溶液萃取法測定田間持水土壤中的硝酸鹽、亞硝酸鹽和銨含量.第2部分:自動分段式流量分析法
Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2 : automated method with segmented flow analysis.