CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10353 | - | Soil improvers and growing media - Determination of inert contaminants content | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 10339 | - | Soil improvers and growing media - Determination of total elements content - Part 2: Determination of nitrogen content | Izstrādē |
| 10331 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 7: Determination of Boron content | Izstrādē |
| 83409 | - | Soil improvers and growing media — Guidelines for the safety of users, the environment and plants | Izstrādē |
| 10367 | - | Soil improvers and growing media - Determination of lead content | Izstrādē |
| 24338 | CEN/TC 223 N 325 | Growing media - Biotest for assessment for Phytotoxicity | Izstrādē |
| 27079 | CEN/TS 16201:2013 | Sludge, treated biowaste and soil - Determination of viable plant seeds and propagules | Izstrādē |
| 27080 | CEN/TS 16202:2013 | Sludge, treated biowaste and soil - Determination of impurities and stones | Izstrādē |
| 71899 | CEN/TS 17728:2022 | Organic soil improvers - Determination of specific parameters | Standarts spēkā |
Displaying 31-40 of 161 results.