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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
NF U44-315 ; NF EN 15428:2007-10-01
Soil improvers and growing media - Determination of particle size distribution
Edition
2007-10-01
FD U44-312 ; FD CR 13456:2001-07-01
Soil improvers and growing media - Labelling, specifications and product schedules
Edition
2001-07-01
NF U44-302 ; NF EN 13650:2002-07-01
Soil improvers and growing media - Extraction of aqua regia soluble elements
Edition
2002-07-01
NF U44-305 ; NF EN 13652:2002-07-01
Soil improvers and growing media - Extraction of water soluble nutrients and elements
Edition
2002-07-01
SN EN 12580
Soil improvers and growing media - Determination of a quantity
Edition
2022-11
SN EN 13039
Soil improvers and growing media - Determination of organic matter content and ash
Edition
2012-01
SN EN 13038
Soil improvers and growing media - Determination of electrical conductivity
Edition
2012-01
SN EN 15428
Soil improvers and growing media - Determination of particle size distribution
Edition
2007-11
ISO/DIS 23016-1
Fine bubble technology - Agricultural applications - Part 1: Test method for evaluating the growth promotion of hydroponically grown lettuce
Edition
2024-06
