CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10307 | prEN 12577 | Soil improvers and growing media - Labelling | Izstrādē |
| 10308 | prEN 12578 | Soil improvers and growing media - Specifications - Product schedules | Izstrādē |
| 69583 | prEN 13037 | Soil improvers and growing media - Determination of pH | Aptauja |
| 69582 | prEN 13038 | Soil improvers and growing media - Determination of electrical conductivity | Aptauja |
| 69579 | prEN 13039 | Soil improvers and growing media - Determination of organic matter content and ash | Aptauja |
| 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 | Izstrādē |
| 79448 | prEN 13040-2 | Soil improvers and growing media - Sample preparation - Part 2: Sample preparation for microbiological examination | Izstrādē |
| 80631 | prEN 13041 rev | Soil improvers and growing media — Determination of physical properties — Dry bulk density, air volume, water volume, shrinkage value and total pore space | Izstrādē |
| 69581 | prEN 13650 | Soil improvers and growing media - Digestion by aqua regia for subsequent determination of elements | Izstrādē |
| 69624 | prEN 13651 | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients | Izstrādē |
Displaying 121-130 of 159 results.