CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10339 | - | Soil improvers and growing media - Determination of total elements content - Part 2: Determination of nitrogen content | Izstrādē |
| 69623 | prEN 13654-2 rev | Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method | Izstrādē |
| 70752 | prEN XXX | Soil improvers and growing media - Determination of total organic carbon by dry combustion | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 70757 | prEN XXX | Soil improvers and growing media - Enumeration of Escherichia coli | Izstrādē |
| 70758 | prEN XXX | Soil improvers and growing media - Determination of organic nitrogen | Izstrādē |
| 29384 | EN 13038:2011 | Soil improvers and growing media - Determination of electrical conductivity | Izstrādē |
| 29353 | - | Soil improvers and growing media - Extraction of nitric acid soluble elements | Izstrādē |
| 77936 | prEN XXX | Soil improvers and growing media - Determination of aqua regia soluble elements | Izstrādē |
| 29388 | EN 16086-1:2011 | Soil improvers and growing media - Determination of plant response - Part 1: Pot growth test with Chinese cabbage | Izstrādē |
Displaying 121-130 of 159 results.