Registration number (WIID)Project No.TitleStatus
10376LVS CR 13455:2003 ASoil improvers and growing media - Guidelines for the safety of users, the environment and plantsStandarts spēkā
10379LVS EN 13652:2002 ASoil improvers and growing media - Extraction of water soluble nutrients and elementsStandarts spēkā
10377LVS EN 13650:2002 ASoil improvers and growing media - Extraction of aqua regia soluble elementsStandarts spēkā
10381LVS EN 13654-2:2002 ASoil improvers and growing media - Determination of nitrogen - Part 2: Dumas methodStandarts spēkā
70761EN 17925:2024Soil improvers and growing media - Determination of temperature-time profiles during composting and digestionStandarts spēkā
29387LVS EN 13041:2012Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore spaceStandarts spēkā
73432CEN/TS 17733:2022Soil improvers and growing media - Sampling and sample preparationStandarts spēkā
29384LVS EN 13038:2012Soil improvers and growing media - Determination of electrical conductivityStandarts spēkā
29390LVS EN 16087-2:2012Soil improvers and growing media - Determination of the aerobic biological activity - Part 2: Self heating test for compostStandarts spēkā
31135LVS EN 16086-2:2012Soil improvers and growing media - Determination of plant response - Part 2: Petri dish test using cressStandarts spēkā
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