Nitrogen content in the soil
Nitrogen content in the soil, Total:28 items.
The international standard classification for "Nitrogen content in the soil" includes: Soil quality and pedology in general .
The Chinese standard classification for "Nitrogen content in the soil" includes: Analysis methods for environmental quality of soils , Soil and fertilizer in general .
Tianjin Provincial Standard of the People's Republic of China
- DB12/T 1270-2023 Determination of cracked nitrogen in soil
Professional Standard - Environmental Protection
- HJ 717-2014 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
Sichuan Provincial Standard of the People's Republic of China
- DB51/T 1875-2014 Determination of soil alkaline nitrogen
Jilin Provincial Standard of the People's Republic of China
- DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
- DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42490-2023 Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry
Xinjiang Provincial Standard of the People's Republic of China
- DB65/T 4631.2-2023 Soil testing methods - Determination of available elements - Part 2: Determination of hydrolyzable nitrogen content
Indonesia Standards
- SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)
- TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
- TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
Gosstandart of Russia
- GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
- GOST 26107-1984 Soils. Methods for determination of total nitrogen
National Standardisation Body (ASRO)
- STAS 7184/2-1985 SOILS Nitrogen content determination
Association Francaise de Normalisation
- NF X31-115:2001 Soil quality - Sampling and storage of soil samples in view of determination of mineral nitrogen on fresh soil.
- NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
German Institute for Standardization
- DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
Bureau of Indian Standards
- IS 14684-1999 Determination of Nitrogen and Nitrogenous Compounds in Soils
Netherlands Institute for Standardization
- NEN 5754-1992 Soil - Determination of organic matter content in soil as loss-on-ignition
International Organization for Standardization (ISO)
- ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis")
- ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
Korean Agency for Technology and Standards (KATS)
- KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
- KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
- KS I ISO 13878-2023 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
Spanish Association for Standardization (UNE)
- UNE 103206:2006 Determination of gypsum content in soils
- UNE 103206:2019 Determination of gypsum content in soils
British Standards Institution (BSI)
- BS EN ISO 23753-2:2011 Soil quality. Determination of dehydrogenase activity in soils. Method using iodotetrazolium chloride (INT)
Swedish Institute for Standards
- SS-ISO 14255:1999 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
GCC Standardization Organization
- GSO ISO 13878:2014 Soil quality -- Determination of total nitrogen content by dry combustion ("elemental analysis")
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