CEN/TC 223
| Project No. | prEN 18255 |
|---|---|
| Title | This document specifies a method for the determination of the organic nitrogen content in organic soil improvers. |
| Registration number (WIID) | 70758 |
| Scope | This document specifies a method for the determination of the organic nitrogen content in organic soil improvers. |
| Status | Izstrādē |
| ICS group | 65.080 |