| 摘要 |
<p>A fertiliser comprising: a) phosphate rock of less than 500µm; b) sulphur; c) carbon and/or coal, at least approximately half of which has a particle size of less than 350µm and approximately all of which has a particle size of less than 1 mm; d) humic acid and/or fulvic acid (in each case contained in the coal/carbon and/or otherwise added); and e) a suitable binder.</p> |
