Fertilizers

prEN 17730 - Soil improvers and growing media - Methods for the determination of PAH16, macroscopic impurities above 2mm, the temperature-time profiles, oxygen uptake rate, self-heating factor and residual biogas potential in compost and digestate when used in fertilizing products
Categories: Fertilizers
Committee: CEN/TC 223 (Soil improvers and growing media)
Origin: CEN
Close date: 26 Mar 2026
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prEN 17772 - Organic and organo-mineral fertilizers - Determination of specific parameters
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 26 Mar 2026
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prEN 17778 - Organic and organo-mineral fertilizers - Determination of chromium(VI) content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 26 Mar 2026
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prEN 17777 - Organic and organo-mineral fertilizers - Determination of specific elements
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 26 Mar 2026
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prEN 17728 - Organic soil improvers - Methods for the determination of pH, electrical conductivity, organic carbon content and organic nitrogen content
Categories: Fertilizers
Committee: CEN/TC 223 (Soil improvers and growing media)
Origin: CEN
Close date: 26 Mar 2026
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prEN 17731 - Growing media - Methods for the determination of the electrical conductivity, pH, dry matter, quantity, total copper and zinc content, water soluble chloride content, and CaCl2/DTPA extractable nitrogen, P2O5 and K2O content
Categories: Fertilizers
Committee: CEN/TC 223 (Soil improvers and growing media)
Origin: CEN
Close date: 26 Mar 2026
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prEN 17775 - Organic and organo-mineral fertilizers - Determination of the inorganic arsenic content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 02 Apr 2026
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prEN 17753 - Inorganic fertilizers - Determination of specific contaminants
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 09 Apr 2026
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prEN 17754 - Inorganic fertilizers - Determination of specific micronutrients
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 09 Apr 2026
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prEN 17757 - Inorganic fertilizers - Determination of specific nutrients
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 09 Apr 2026
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prEN 18317 - Organo-mineral fertilizers - Determination of the N-(n-butyl)thiophosphoric triamide (NBPT) urease inhibitor content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 16 Apr 2026
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prEN 15478 - Inorganic fertilizers - Determination of total nitrogen in urea, methylene-urea and urea formaldehyde
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 17403 - Inorganic fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 17758 - Fertilizers and liming materials - Determination of the chloride content by potentiometric titration
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 17760 - Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 18316 - Inorganic fertilizers - Determination of the total K2O content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 18318 - Organo-mineral fertilizers - Determination of specific inhibiting compounds
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 18319 - Fertilizers, liming materials and inhibitors - Determination of the phosphonates content by ion chromatography and conductivity detection (IC-CD)
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 23 Apr 2026
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prEN 17759 - Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 07 May 2026
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prEN 17762 - Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 07 May 2026
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