Fertilizers

prEN 17756 - Fertilizers, liming materials and inhibitors - Determination of the chloride content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 08 Oct 2026
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prEN 17771 - Organic and organo-mineral fertilizers - Determination of the nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 08 Oct 2026
Draft Details
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prEN 18388 - Inhibitors - Determination of the chloride content by ion chromatography and conductivity detection (IC-CD)
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 08 Oct 2026
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ISO/DIS 37700-2 - Plant biostimulants — Claims — Part 2: Nutrient use efficiency resulting from the use of a plant biostimulant
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 22 Oct 2026
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ISO/DIS 37700-4 - Plant biostimulants — Claims — Part 4: Determination of quality traits resulting from the use of a plant biostimulant
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 22 Oct 2026
Draft Details
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ISO/DIS 37700-5 - Plant biostimulants — Claims — Part 5: Determination of availability of confined nutrients in the soil or rhizosphere
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 22 Oct 2026
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ISO/DIS 37701-1 - Plant biostimulants — Determination of specific elements — Part 1: Digestion by aqua regia for subsequent determination of elements
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 22 Oct 2026
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ISO/DIS 37701-2 - Plant biostimulants — Determination of specific elements — Part 2: Determination of total content of Cd, Pb, Ni, As, Cr, Cu and Zn
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 26 Oct 2026
Draft Details
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ISO/DIS 37701-3 - Plant biostimulants — Determination of specific elements — Part 3: Determination of mercury
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 26 Oct 2026
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ISO/DIS 37702-1 - Plant biostimulants — Sampling and sample preparation — Part 1: Sampling
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 26 Oct 2026
Draft Details
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ISO/DIS 37702-2 - Plant biostimulants — Sampling and sample preparation — Part 2: Sample preparation
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 26 Oct 2026
Draft Details
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ISO/DIS 37700-1 - Plant biostimulants — Claims — Part 1: General principles
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 27 Oct 2026
Draft Details
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ISO/DIS 37700-3 - Plant biostimulants — Claims — Part 3: Tolerance to abiotic stress resulting from the use of a plant biostimulant
Categories: Fertilizers
Committee: ISO/TC 134 (Fertilizers, soil conditioners and beneficial substances)
Origin: ISO
Close date: 27 Oct 2026
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prEN 18292 - Inorganic fertilizers - Determination of the dry matter content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 29 Oct 2026
Draft Details
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