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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF X31-160
Soil quality - Determination of phosphorus soluble in a 20 g.l -1 monohydric citric acid solution - Dyer method

Edition 2024-02-14

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF X31-160 Soil quality - Determination of phosphorus soluble in a 20 g.l -1 monohydric citric acid solution - Dyer method

Want to learn more?

NF X31-160
Soil quality - Determination of phosphorus soluble in a 20 g.l -1 monohydric citric acid solution - Dyer method