| 摘要 |
<p>Compost-based fertiliser from manure and/or peat, contains 2-70, pref. 30-61 wt. % organic materials, 1-20, pref. 7-17% nitrogen, 2-20, pref. 3-8% phosphoric acid (p2O5) and 2-20, pref. 6-15% potassium (K2O), and pref. has a pH of 3-6.5. It is made by mixing manure, e.g. chicken excrement, and/or peat, pressing, blowing in air to comminute the mass, composting and mixing in the mineral additives. The product is allowed to react by stirring for 2-3 days and opt. dried.</p> |
