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Soil nitrogen
Soil nitrogen, Total:26 items.
In the international standard classification, Soil nitrogen involves: Soil quality. Pedology.
RO-ASRO, Soil nitrogen
RU-GOST R, Soil nitrogen
- GOST 26107-1984 Soils. Methods for determination of total nitrogen
- GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
Indonesia Standards, Soil nitrogen
Professional Standard - Environmental Protection, Soil nitrogen
- HJ 717-2014 Soil quality.Determination of total nitrogen.Modified Kjeldahl method
Group Standards of the People's Republic of China, Soil nitrogen
Association Francaise de Normalisation, Soil nitrogen
- NF ISO 11261:1995 Qualité du sol - Dosage de l'azote total - Méthode de Kjeldahl modifiée.
- NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
- NF X31-115:2001 Soil quality - Sampling and storage of soil samples in view of determination of mineral nitrogen on fresh soil.
VN-TCVN, Soil nitrogen
- TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
Korean Agency for Technology and Standards (KATS), Soil nitrogen
- KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
- KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
- KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
- KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
- KS I ISO 14238:2008 Soil quality-Biological methods-Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- KS I ISO 14238:2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Soil nitrogen
- GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
- GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
- GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
International Organization for Standardization (ISO), Soil nitrogen
- ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
- ISO 14238:1997 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
AENOR, Soil nitrogen
- UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
German Institute for Standardization, Soil nitrogen
- DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
Professional Standard - Agriculture, Soil nitrogen
- NY/T 53-1987 Method for the determination of soil total nitrogen(Semi-micro Kjeldahl method)
- GB 7173-1987 Determination of total nitrogen in soil (semi-micro Kelvin method)
KR-KS, Soil nitrogen
- KS I ISO 14238-2018 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes