| 摘要 |
A fertilizer composition characterized by high mechanical resistance and anti-caking properties comprises a compound selected from the group consisting of urea, ammonium sulphate, nitrogen-potassium-phosphorus granulates, mono-ammonic phosphate, di-ammonic phosphate, potassium chloride and mixtures thereof admixed with a sulphur free hydrosoluble lignate salt selected from the group consisting of sodium lignates, alkaline metal lignates, ammonium lignates, and mixtures thereof in an amount of between 0.1 to 5.0 wt.% in the final fertilizer composition.
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