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US 11,999,665 B2Granted
Composite fertiliser systems
AssigneeYork Potash Ltd
InventorsRobert John Meakin, Timothy David Lewis
Life of this patent
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Abstract
A fertiliser pellet comprising: a first region of a nitrogen-providing fertiliser composition; and a second region adhered to the exterior of the first region, the second region comprising a fertiliser composition capable of providing (a) two or more alkali metal and/or alkaline earth metal nutrients and (b) sulphur.
Claims24
A fertiliser pellet comprising:
- a first region of a nitrogen-providing fertiliser composition;
- and
- a second region adhered to the exterior of the first region, wherein the second region substantially surrounds the first region, the second region comprising polyhalite.
Dependencies are inferred from the claim text.