Nitrogen, phosphorus and potassium content in soil
Nitrogen, phosphorus and potassium content in soil, Total:24 items.
The international standard classification for "Nitrogen, phosphorus and potassium content in soil" includes: Fertilizers , Farming and forestry , Chemical characteristics of soils , Soil quality. Pedology .
The Chinese standard classification for "Nitrogen, phosphorus and potassium content in soil" includes: Water and soil conservation , Soil and fertilizer in general .
Professional Standard - Agriculture
- GB 6260-1986 Determination of rare earth oxide content in soil--Chlorophosphonazo-p-hippuric acid photometric method
- NY/T 889-2004 Determination of exchangeable potassium and non-exchangeable potassium content in soil
- NY/T 2017-2011 Determination of nitrogen,phosphorus and potassium in plants
- NY/T 1848-2010 Method for determination of ammonium nitrogen,available phosphorus and rapidly-available potassium in neutrality or calcareous soil—Universal extract-colorimetric method
- NY/T 2273-2012 Soil Amendment - Determination of Phosphorus and Potassium Content
- NY/T 30-1986 Determination of rare earth oxide content in soil - Chlorophonazo - P - Hippuric acid photometric method
- NY/T 1849-2010 Method for determination of ammonium nitrogen,available phosphorus and rapidly-available potassium in acid soil—Universal extract-colorimetric method
- NY/T 1977-2010 Water-soluble fertilizers--Determination of total nitrogen,phosphorus and potassium content
Guizhou Provincial Standard of the People's Republic of China
- DB52/T 1607-2021 Nitrogen, Phosphorus and Potassium Nutrient Limits for Tea Gardens
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 42485-2023 Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
Guangxi Provincial Standard of the People's Republic of China
- DB45/T 1342-2016 Determination of total sulfur, total phosphorus and total potassium in soil by inductively coupled plasma atomic emission spectrometry
RU-GOST R
- GOST 26261-1984 Soils. Methods for determining total phosphorus and total potassium
- 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
Indonesia Standards
- SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
VN-TCVN
- TCVN 7375-2004 Soils quality.Index values of total potassium content in the soils of Vietnam
- TCVN 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
- TCVN 7374-2004 Soils quality.Index values of total phosphorus content in the soils of Vietnam
RO-ASRO
- STAS 7184/14-1979 SOILS Determination of total phosphor content
- STAS 7184/2-1985 SOILS Nitrogen content determination
- STAS 7184/19-1982 SOILS Detcrmination of extracted phosphorus in ammonium lactate-acctatc
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.
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)