CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10382 | LVS CR 13456:2003 A | Soil improvers and growing media - Labelling, specifications and product schedules | Standarts spēkā |
| 10378 | LVS EN 13651:2002 A | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | Standarts spēkā |
| 29388 | LVS EN 16086-1:2012 | Soil improvers and growing media - Determination of plant response - Part 1: Pot growth test with Chinese cabbage | Standarts spēkā |
| 29382 | LVS EN 13037:2012 | Soil improvers and growing media - Determination of pH | Standarts spēkā |
| 24337 | LVS EN 15428:2008 | Soil improvers and growing media - Determination of particle size distribution | Standarts spēkā |
| 24761 | LVS EN 13040:2008 | Soil improvers and growing media - Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density | Standarts spēkā |
| 29385 | LVS EN 13039:2012 | Soil improvers and growing media - Determination of organic matter content and ash | Standarts spēkā |
| 70761 | LVS EN 17925:2024 | Soil improvers and growing media - Determination of temperature-time profiles during composting and digestion | Standarts spēkā |
| 70758 | prEN 18255 | Soil improvers and growing media - Determination of organic nitrogen | Aptauja slēgta |
| 70752 | prEN 18253 | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Aptauja slēgta |
Displaying 31-40 of 161 results.