CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10353 | - | Soil improvers and growing media - Determination of inert contaminants content | Izstrādē |
| 10320 | - | Soil improvers and growing media - Methods of extraction - Part 1: Extraction by water | Izstrādē |
| 10360 | - | Soil improvers and growing media - Determination of salmonella | Izstrādē |
| 83409 | - | Soil improvers and growing media — Guidelines for the safety of users, the environment and plants | Izstrādē |
| 10339 | - | Soil improvers and growing media - Determination of total elements content - Part 2: Determination of nitrogen content | Izstrādē |
| 71898 | - | Soil Improvers and Growing media – Determination of specific contaminants | Izstrādē |
| 71905 | - | Organic soil improvers and Growing media– Detection of specific pathogens | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 29353 | - | Soil improvers and growing media - Extraction of nitric acid soluble elements | Izstrādē |
| 10331 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 7: Determination of Boron content | Izstrādē |
Displaying 141-150 of 161 results.