摘要 |
The invention provides a process for the production of a fertilizer, the process comprising intimately mixing urea and a lignin compound thereby providing a blend, and heating the blend. In an embodiment of the process of the invention, there is provided a process for the production of an organomineral fertilizer, the process comprising: intimately mixing mineral fertilizer material, urea, a lignin compound and organic fertilizer material thereby providing a blend, and heating the blend. The invention provides also fertilizers that are not obtainable according to the process of the invention.
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