CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70756 | prEN 18254 | Soil improvers and growing media - Determination of the inorganic arsenic content | Izstrādē |
| 65635 | EN 16087-1:2020 | Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR) | Izstrādē |
| 69555 | EN 12580:2022 | Soil improvers and growing media - Determination of a quantity | Izstrādē |
| 10372 | - | Soil improvers and growing media - Determination of lindane content | Izstrādē |
| 29382 | EN 13037:2011 | Soil improvers and growing media - Determination of pH | Izstrādē |
| 29390 | EN 16087-2:2011 | Soil improvers and growing media - Determination of Aerobic biological activity - Part 2: Self heating test for compost | Izstrādē |
| 29388 | EN 16086-1:2011 | Soil improvers and growing media - Determination of plant response - Part 1: Pot growth test with Chinese cabbage | Izstrādē |
| 10330 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 6: Determination of sodium content | Izstrādē |
| 29353 | - | Soil improvers and growing media - Extraction of nitric acid soluble elements | Izstrādē |
| 70800 | prEN 17732 | Soil improvers and growing media - Terminology | Izstrādē |
Displaying 51-60 of 159 results.