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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Publications of ISO/TC 190/SC 4/WG 4

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DIN EN ISO 23753-1	2021-03	Standards	Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) (ISO 23753-1:2019 + Amd.1:2020); German version EN ISO 23753-1:2019 + A1:2020 More	Order from DIN Media
DIN EN ISO 23753-2	2021-09	Standards	Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2019 + Amd 1:2020); German version EN ISO 23753-2:2019 + A1:2020 More	Order from DIN Media
DIN ISO/TS 22939	2022-05	Technical Specification	Soil quality - Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates (ISO/TS 22939:2019) More	Order from DIN Media
DIN ISO 18400-206	2020-11	Standards	Soil quality - Sampling - Part 206: Collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory (ISO 18400-206:2018) More	Order from DIN Media
DIN ISO 23265	2023-12	Standards	Soil quality - Test for estimating organic matter decomposition in contaminated soil (ISO 23265:2022) More	Order from DIN Media
ISO/TS 10832	2009-10	Pre-standard	Soil quality - Effects of pollutants on mycorrhizal fungi - Spore germination test More	Order from DIN Media
ISO/TS 20131-1	2018-07	Pre-standard	Soil quality - Easy laboratory assessments of soil denitrification, a process source of N₂O emissions - Part 1: Soil denitrifying enzymes activities More	Order from DIN Media
ISO/TS 20131-2	2018-06	Pre-standard	Soil quality - Easy laboratory assessments of soil denitrification, a process source of N2O emissions - Part 2: Assessment of the capacity of soils to reduce N2O More	Order from DIN Media
ISO/TS 22939	2019-08	Pre-standard	Soil quality - Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates More	Order from DIN Media
ISO/TS 29843-1	2010-10	Pre-standard	Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis More	Order from DIN Media

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