Soil nitrate nitrogen abundance and deficiency classification
Soil nitrate nitrogen abundance and deficiency classification, Total:26 items.
The international standard classification for "Soil nitrate nitrogen abundance and deficiency classification" includes: Soil quality. Pedology , Soil quality and pedology in general .
The Chinese standard classification for "Soil nitrate nitrogen abundance and deficiency classification" includes: Soil and fertilizer in general .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 42488-2023 Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
- 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 32737-2016 Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method
- GB/T 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
Xinjiang Provincial Standard of the People's Republic of China
- DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
- DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
Professional Standard - Forestry
- LY/T 1230-1999 Determination of nitrate nitrogen in forest soil
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
Tianjin Provincial Standard of the People's Republic of China
- DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
Shandong Provincial Standard of the People's Republic of China
- DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography
Group Standards of the People's Republic of China
- T/NJ 1423-2023 Composite flexible electrode for soil nitrate nitrogen determination in agricultural equipment
Jiangsu Provincial Standard of the People's Republic of China
- DB32/T 2602-2013 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Agricultural Areas Along the River
- DB32/T 1876-2011 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Agricultural Area of Taihu Lake
- DB32/T 1875-2011 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Huaibei Agricultural Area
- DB32/T 2272-2012 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Hilly Agricultural Area
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 - Environmental Protection
- HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
GSO
- 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
- 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
Korean Agency for Technology and Standards (KATS)
- 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 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
AENOR
- 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.
German Institute for Standardization
- 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 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)
KR-KS
- 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
