ZH
RU
ES

How to measure soil carbon to nitrogen ratio

How to measure soil carbon to nitrogen ratio, Total:7 items.

In the international standard classification, How to measure soil carbon to nitrogen ratio involves: Farming and forestry, Soil quality. Pedology, Earthworks. Excavations. Foundation construction. Underground works.

Professional Standard - Forestry, How to measure soil carbon to nitrogen ratio

LY/T 1237-1999 Determination of organic matter in forest soil and calculation carbon-nitrogen ratio

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, How to measure soil carbon to nitrogen ratio

GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry
GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry

Professional Standard - Agriculture, How to measure soil carbon to nitrogen ratio

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 1848-2010 Method for determination of ammonium nitrogen, available phosphorus and rapidly-available potassium in neutrality or calcareous soil Universal extract-colorimetric method

British Standards Institution (BSI), How to measure soil carbon to nitrogen ratio

20/30399864 DC BS ISO 23400. Guidelines for the determination of organic carbon and nitrogen stocks and their variations in mineral soil at field scale

Association Francaise de Normalisation, How to measure soil carbon to nitrogen ratio

NF P94-057:1992 Soils investingation and testing. Granulometric analysis. Hydrometer method.