CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69582 | prEN 13038 | Soil improvers and growing media - Determination of electrical conductivity | Aptauja slēgta |
| 70763 | prEN 18279 | Soil improvers and growing media - Enumeration of enterococci | Aptauja slēgta |
| 69579 | prEN 13039 | Soil improvers and growing media - Determination of organic matter content and ash | Aptauja slēgta |
| 10381 | LVS EN 13654-2:2002 A | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Standarts spēkā |
| 71903 | LVS CEN/TS 17730:2022 | Compost and digestate properties when used in fertilizing products | Standarts spēkā |
| 10377 | LVS EN 13650:2002 A | Soil improvers and growing media - Extraction of aqua regia soluble elements | Standarts spēkā |
| 72754 | LVS CEN/TS 17732:2022 | Soil improvers and growing media - Terminology | 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 |
| 65635 | LVS EN 16087-1:2020 | Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR) | Standarts spēkā |
Displaying 121-130 of 161 results.