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UNE-EN 13650
Soil improvers and growing media - Extraction of aqua regla soluble elements.
Edition
2002-03-21
UNE-EN 13652
Soil improvers and growing media - Extraction of water soluble nutrients and elements.
Edition
2002-03-21
UNE-CR 13456
Soil improvers and growing media. Labelling, specifications and product schedules.
Edition
2003-04-30
UNE-EN 15428
Soil improvers and growing media - Determination of particle size distribution
Edition
2008-04-02
UNE-EN 13038
Soil improvers and growing media - Determination of electrical conductivity
Edition
2012-05-16
UNE-EN 13039
Soil improvers and growing media - Determination of organic matter content and ash
Edition
2012-05-16
UNE-EN 12580
Soil improvers and growing media - Determination of a quantity
Edition
2023-10-11
XP U44-710 ; XP CEN/TS 17733:2022-02-16
Soil improvers and growing media - Sampling and sample preparation
Edition
2022-02-16
NF U44-301 ; NF EN 12580:2022-11-09
Soil improvers and growing media - Determination of a quantity
Edition
2022-11-09
NF U44-304 ; NF EN 13039:2011-12-01
Soil improvers and growing media - Determination of organic matter content and ash
Edition
2011-12-01
