CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10329 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 5: Determination of sulfur content | Izstrādē |
| 10321 | - | Soil improvers and growing media - Methods of extraction - Part 2: Extraction by ammonium acetate | Izstrādē |
| 10323 | - | Soil improvers and growing media - Determination after extraction by water - Part 2: Determination of ammoniacal nitrogen contents | Izstrādē |
| 10322 | - | Soil improvers and growing media - Determination after extraction by water - Part 1: Determination of chloride content | Izstrādē |
| 10320 | - | Soil improvers and growing media - Methods of extraction - Part 1: Extraction by water | Izstrādē |
| 10378 | EN 13651:2001 | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | Izstrādē |
| 10308 | prEN 12578 | Soil improvers and growing media - Specifications - Product schedules | Izstrādē |
| 24338 | CEN/TC 223 N 325 | Growing media - Biotest for assessment for Phytotoxicity | Izstrādē |
| 10381 | EN 13654-2:2001 | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Izstrādē |
| 10377 | EN 13650:2001 | Soil improvers and growing media - Extraction of aqua regia soluble elements | Izstrādē |
Displaying 141-150 of 161 results.