CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69622 | LVS EN 15238:2023 | Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm | Standarts spēkā |
| 10381 | LVS EN 13654-2:2002 A | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Standarts spēkā |
| 69555 | LVS EN 12580:2023 | Soil improvers and growing media - Determination of a quantity | Standarts spēkā |
| 10377 | LVS EN 13650:2002 A | Soil improvers and growing media - Extraction of aqua regia soluble elements | Standarts spēkā |
| 71899 | LVS CEN/TS 17728:2022 | Organic soil improvers - Determination of specific parameters | Standarts spēkā |
| 10379 | LVS EN 13652:2002 A | Soil improvers and growing media - Extraction of water soluble nutrients and elements | Standarts spēkā |
| 10376 | LVS CR 13455:2003 A | Soil improvers and growing media - Guidelines for the safety of users, the environment and plants | Standarts spēkā |
| 31135 | LVS EN 16086-2:2012 | Soil improvers and growing media - Determination of plant response - Part 2: Petri dish test using cress | Standarts spēkā |
| 24337 | LVS EN 15428:2008 | Soil improvers and growing media - Determination of particle size distribution | Standarts spēkā |
| 71904 | CEN/TS 17731:2022 | Growing media - Determination of specific parameters | Standarts spēkā |
Displaying 21-30 of 161 results.