NA 057
DIN Standards Committee Food and Agricultural Products
DIN EN 13654-1 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 13651 | 2001-09 | Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients More |
| EN 13652 | 2001-09 | Soil improvers and growing media - Extraction of water soluble nutrients and elements More |
| ISO 11261 | 1995-03 | Soil quality - Determination of total nitrogen - Modified Kjeldahl method More |
