The role of nitrogen in the soil
The role of nitrogen in the soil, Total:102 items.
The international standard classification for "The role of nitrogen in the soil" includes: Soil quality and pedology in general , Soil quality. Pedology , Soil-working equipment .
The Chinese standard classification for "The role of nitrogen in the soil" includes: Soil and fertilizer in general , Farming machinery and tools , Analysis methods for environmental quality of soils .
Tianjin Provincial Standard of the People's Republic of China
- DB12/T 1270-2023 Determination of cracked nitrogen in soil
- DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
Professional Standard - Agriculture
- NY/T 1121.24-2012 Soil Testing - Part 24: Determination of Total Nitrogen in Soil - Automatic Kjeldahl Apparatus Method
Sichuan Provincial Standard of the People's Republic of China
- DB51/T 1875-2014 Determination of soil alkaline nitrogen
Professional Standard - Forestry
- LY/T 1229-1999 Determination of hydrolyzable nitrogen in forest soil
- LY/T 1228-2015 Nitrogen determination methods of forest soils
- LY/T 1230-1999 Determination of nitrate nitrogen in forest soil
- LY/T 1228-1999 Determination of total nitrogen in forest soil
- LY/T 1231-1999 Determination of ammonium nitrogen in forest soil
Xinjiang Provincial Standard of the People's Republic of China
- DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil
- DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
- DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
Jilin Provincial Standard of the People's Republic of China
- DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
- DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
Hebei Provincial Standard of the People's Republic of China
- DB13/T 843-2007 Soil Available Nitrogen Determination
Group Standards of the People's Republic of China
- T/SDAS 573-2023 Technical regulations for the application of controlled-release nitrogen fertilizer in barren soil and low-yield grain fields
- T/NAIA 009-2020 Determination of soil microbial biomass nitrogen
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42487-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination using automated method with segmented flow analysis
- GB/T 42488-2023 Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
- GB/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
Ningxia Provincial Standard of the People's Republic of China
- DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method
Hubei Provincial Standard of the People's Republic of China
- DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry
Professional Standard - Machinery
- JB/T 6272-2007 Cultivating machinery-equipment for working the soil
- JB/T 6272-1992 Cultivator Soil Working Parts
Shanxi Provincial Standard of the People's Republic of China
- DB14/T 2599-2022 Technical regulations for soil nitrogen and phosphorus summer fill crop control in vegetable greenhouses
- DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration
Professional Standard - Environmental Protection
- HJ 717-2014 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
Jiangsu Provincial Standard of the People's Republic of China
- DB32/T 4277-2022 Technical specification for application of lime nitrogen in facility soil
Shandong Provincial Standard of the People's Republic of China
- DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography
Korean Agency for Technology and Standards (KATS)
- KS I ISO 14255-2009(2019) 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 14255-2009(2023) 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 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 14238:2018 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
- KS I ISO 14238-2018(2024) Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- KS I ISO 14238-2024 Soil quality ― Biological methods ― Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- KS I ISO 14255-2023 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 23753-2:2006 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride(INT)
- 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 23753-1:2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
- KS I ISO 11261-2008(2018) Soil quality-Determination of total nitrogen-Modified Kjeldahl method
- KS I ISO 11261-2021 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
- KS I ISO 23753-1-2021 Soil quality — Determination of dehydrogenases activity in soils —Part 1: Method using triphenyltetrazolium chloride(TTC)
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)
- DIN ISO 14255:1998-11 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)
- DIN ISO 14238:1999 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:1997)
- DIN ISO 23753-2:2006 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2005);English version of DIN ISO 23753-2:2006-04
- DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
- DIN EN ISO 23753-1:2019-07 Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) (ISO 23753-1:2019)
- DIN EN ISO 23753-1 A1 E:2020-03 Soil quality. Determination of dehydrogenase activity in soil. Part 1: Triphenyltetrazolium chloride (TTC) method
- DIN EN ISO 14238:2014-03 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012); German version EN ISO 14238:2013
Bureau of Indian Standards
- IS 14684-1999 Determination of Nitrogen and Nitrogenous Compounds in Soils
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 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
- TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
International Organization for Standardization (ISO)
- 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 23753-2:2005 Soil quality - Determination of dehydrogenase activity in soils - Part 2: Method using iodotetrazolium chloride (INT)
- ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
- ISO 5713:1990 Equipment for working the soil; fixing bolts for soil working elements
British Standards Institution (BSI)
- BS EN ISO 14238:2013 Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- BS EN ISO 23753-2:2011 Soil quality. Determination of dehydrogenase activity in soils. Method using iodotetrazolium chloride (INT)
- BS EN ISO 23753-1:2011 Soil quality. Determination of dehydrogenase activity in soil. Method using triphenyltetrazolium chloride (TTC)
- BS EN ISO 23753-1:2019 Soil quality. Determination of dehydrogenases activity in soils-Method using triphenyltetrazolium chloride (TTC)
Gosstandart of Russia
- GOST R 53219-2008 Soil quality. Determination of nitrogen in air-dry soils using calcium chloride solution
- GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
- GOST R 58596-2019 Soils. Methods for determination of total nitrogen
- GOST 26107-1984 Soils. Methods for determination of total nitrogen
European Committee for Standardization (CEN)
- EN ISO 14238:2013 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e. V. (DWA)
- DWA-M 920-3 E:2016-07 Sofa function evaluates the role of soil in nutrient cycling (nitrogen, phosphorus, potassium, calcium, magnesium, sulfur)
Danish Standards Foundation
- DANSK DS/EN ISO 14238:2014 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- DS/ISO 14238:1997 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- DANSK DS/ISO 23753-1:2019 Soil quality – Determination of dehydrogenase activity in soils – Part 1: Method using triphenyltetrazolium chloride (TTC)
Kingdom of Bahrain Testing and Metrology Directorate
- BH GSO ISO 14238:2016 Soil quality -- Biological methods -- Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- BH GSO ISO 11261:2017 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
The Directorate General of Specifications and Metrology (DGSM)
- OS GSO ISO 14238:2013 Soil quality -- Biological methods -- Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- OS GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
- OS GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
Ente Nazionale Italiano di Unificazione
- UNI EN ISO 14238:2014 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- UNI EN ISO 23753-1:2019 Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC)
- EC 1-2024 UNI EN ISO 23753-1:2021 Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC)
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
- SS-ISO 11261:1996 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
- SIS SS-ISO 5713:1991 Equipment for working the soil — Fixing bolts for soil working elements
Spanish Association for Standardization (UNE)
- UNE 77326:2004 Soil quality -- Biological methods -- Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
- UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
- UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
- AENOR UNE 77326:2004 Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemical compounds on these processes.
- UNE-EN ISO 14238:2013 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012) (Endorsed by AENOR in January of 2014.)
GCC Standardization Organization
- GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
- GSO ISO 11261:2015 Soil quality -- Determination of total nitrogen -- Modified Kjeldahl method
- GSO ISO 14238:2013 Soil quality -- Biological methods -- Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes
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 ISO 11261:1995 Soil quality - Total nitrogen dosage - Modified Kjeldahl method
- NF EN ISO 23753-2/A1:2020 Soil quality - Determination of dehydrogenase activity in soils - Part 2: iodotetrazolium chloride (INT) method - Amendment 1
- NF EN ISO 14238:2014 Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils, and the influence of chemicals on these processes
Netherlands Institute for Standardization
- NEN 5754-1992 Soil - Determination of organic matter content in soil as loss-on-ignition
- NEN 5795-1988 Soil - Determination of the influence of chemicals on soil nitrification
American Society for Testing and Materials (ASTM)
- ASTM STP 254-1960 The role of time loading rate in soil testing
National Standardisation Body (ASRO)
- STAS 7184/2-1985 SOILS Nitrogen content determination
American Water Works Association (AWWA)
- AWWA REUSE52086 Nitrogen Removal During Soil Aquifer Treatment by Anaerobic Ammonium Oxidation (Anammox)
American Petroleum Institute (API)
- API 4104-1971 SOIL AS A SINK FOR ATMOSPHERIC CARBON MONOXIDE
Determination of total nitrogen in soil,Determination of total nitrogen content in soil,The content of nitrate nitrogen in the soil,Nitrite Nitrogen in Soil,Nitrogen content in the soil,nitrogen in the soil,Nitrate nitrogen in soil,The role of elements in the soil,Nitrogen in the soil,Determination of nitrogen in soil,Nitrogen content in the soil,The role of nitrogen in the soil,Determination method of total nitrogen in soil,Hydrolyzed Nitrogen in Soil,Determination and Analysis of Nitrogen Content in Soil,How to measure nitrogen content in soil,The role of soil water in soil,Nitrogen content in soil,How to measure nitrogen in soil,The role of soil in plant growth