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GB/T 42485-2023
Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen KCl solution leaching manual analysis method
土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提手工分析法 - 英文版
GB/T 42487-2023
Soil quality - Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen - potassium chloride solution leaching flow analysis method
土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提流动分析法 - 英文版
GB/T 42489-2023
Soil Quality Decision Unit - Multipoint Incremental Sampling Method
土壤质量 决策单元-多点增量采样法 - 英文版
GB/T 41689-2022
Soil Quality Methods for Direct DNA Extraction from Soil Samples
土壤质量 土壤样品直接提取DNA的方法 - 英文版
GB/T 41222-2021
Soil quality -- Method for monitoring the farmland surface runoff
土壤质量 农田地表径流监测方法 - 英文版
GB/T 17135-1997
Soil quality--Determination of total arsenic--Spectrophotometric method with potassium borohyride andsilver nitrate
土壤质量 总砷的测定 硼氢化钾-硝酸银分光光度法 - 英文版

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