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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

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

Professional Standard - Forestry

Xinjiang Provincial Standard of the People's Republic of China

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

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

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

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

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

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

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)

National Standardisation Body (ASRO)

American Water Works Association (AWWA)

  • AWWA REUSE52086 Nitrogen Removal During Soil Aquifer Treatment by Anaerobic Ammonium Oxidation (Anammox)

American Petroleum Institute (API)