Committee:
GT 1 Soil improvers and growing media
GT 2 Agricultura ecológica
GT 3 Plant biostimulants and agricultural micro-organisms
ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
CEN/TC 223 Soil improvers and growing media
CEN/TC 260 Fertilizers and liming materials
CEN/TC 455 Plant Biostimulants
Standards developed by the committee: CTN 142: 379
Status: ANULADA / 2024-12-19
Plant biostimulants - Determination of inorganic arsenic (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Determination of the yeast and mould content (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Determination of chromium(VI) (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Determination of the pH for liquid microbial plant biostimulants/pH in microbial products - Determination of pH (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Determination of the anaerobic plate count (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Sampling and sample preparation - Part 1: Sampling (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Sampling and sample preparation - Part 2: Sample preparation (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant biostimulants - Preparation of sample for microbial analysis (Endorsed by Asociación Española de Normalización in May of 2022.)
Plant Biostimulants - Terminology (Endorsed by Asociación Española de Normalización in May of 2022.)
Status: ANULADA / 2024-11-20
Soil improvers and growing media - Sampling
Status: ANULADA / 2024-07-24
Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
Fertilizers - Determination of extracted phosphorus
Status: ANULADA / 2024-03-20
Fertilizers - Determination of cyanamide nitrogen
Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Status: ANULADA / 2024-03-13
Liming materials. Determination of calcium content and magnesium content. Complexometric method.
Liming materials - Determination of calcium content and magnesium content - Complexometric method.
Status: ANULADA / 2023-10-11
Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm
Soil improvers and growing media - Determination of a quantity
Status: ANULADA / 2023-04-26
Fertilizers - Determination of sulfates content using three different methods
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