CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69582 | prEN 13038 | Soil improvers and growing media - Determination of electrical conductivity | Aptauja slēgta |
| 79448 | prEN 13040-2 | Soil improvers and growing media - Sample preparation - Part 2: Sample preparation for microbiological examination | Aptauja slēgta |
| 69580 | prEN 13040-1 | Soil improvers and growing media - Sample preparation - Part 1: Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory bulk density | Aptauja slēgta |
| 10376 | LVS CR 13455:2003 A | Soil improvers and growing media - Guidelines for the safety of users, the environment and plants | Standarts spēkā |
| 10379 | LVS EN 13652:2002 A | Soil improvers and growing media - Extraction of water soluble nutrients and elements | Standarts spēkā |
| 10377 | LVS EN 13650:2002 A | Soil improvers and growing media - Extraction of aqua regia soluble elements | Standarts spēkā |
| 10381 | LVS EN 13654-2:2002 A | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Standarts spēkā |
| 29387 | LVS EN 13041:2012 | Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore space | Standarts spēkā |
| 71899 | LVS CEN/TS 17728:2022 | Organic soil improvers - Determination of specific parameters | Standarts spēkā |
| 29384 | LVS EN 13038:2012 | Soil improvers and growing media - Determination of electrical conductivity | Standarts spēkā |
Displaying 121-130 of 161 results.