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Standards [CURRENT]

DIN EN 17719

Plant biostimulants - Determination of the anaerobic plate count; German version EN 17719:2024
Edition 2025-03

Standards [CURRENT]

DIN EN 17720

Plant biostimulants - Determination of enterococci; German version EN 17720:2024
Edition 2025-03

Standards [CURRENT]

DIN EN 17721

Plant biostimulants - Determination of the pH for liquid microbial plant biostimulants/pH in microbial products - Determination of pH; German version EN 17721:2024
Edition 2025-03

Standards [CURRENT]

DIN EN 17722

Plant biostimulants - Determination of mycorrhizal fungi; German version EN 17722:2024
Edition 2025-03

Standards [CURRENT]

DIN EN 17723

Plant biostimulants - Determination of chloride; German version EN 17723:2024
Edition 2025-03

Standards [CURRENT]

DIN EN 17724

Plant biostimulants - Terminology; German version EN 17724:2024
Edition 2025-03

Standards [CURRENT]

DIN EN 17725

Plant biostimulants - Determination of the quantity (indicated by mass or volume); German version EN 17725:2024
Edition 2025-03

Draft standard [Pre-order]

DIN EN 17728

Organic soil improvers - Methods for the determination of pH, electrical conductivity, organic carbon content and organic nitrogen content; German and English version prEN 17728:2026
Edition 2026-02

Technical Specification

DIN CEN/TS 17728

Organic soil improvers - Determination of specific parameters; German version CEN/TS 17728:2022
Edition 2022-05

Draft standard [New]

DIN EN 17729

Soil improvers - Methods for the determination of the dry matter, quantity, copper, zinc, chloride, nitrogen, P2O5 and K2O content; German and English version prEN 17729:2025
Edition 2025-12

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