CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10335 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 11: Determination of manganese content | Izstrādē |
| 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 |
| 10357 | - | Soil improvers and growing media - Determination of degree of decomposition | Izstrādē |
| 71905 | - | Organic soil improvers and Growing media– Detection of specific pathogens | Izstrādē |
| 69621 | prEN 16087-2 | Soil improvers and growing media - Determination of the aerobic biological degradation rate of organic matter - Part 2: Self heating test for compost | Izstrādē |
| 71896 | prEN 17729 | Soil improvers - Overview of methods for the determination of the dry matter, quantity, the copper, zinc, chloride, nitrogen, P2O5 and K2O content | Izstrādē |
Displaying 51-60 of 159 results.