Fertiliser coating containing micronutrients
AssigneeYara UK Limited
InventorsStuart Charles Ward, Victoria Anne Butler, Torstein Obrestad, Terje Tande
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Abstract
A single-step method for preparing a free-flowing, non-dusting micronutrient-coated particulate solid fertiliser material, the method comprising applying a single fluid onto particulate solid fertiliser material at ambient temperature without chemical reaction or chelation, said single fluid comprising a suspension of one or more micronutrient materials in an oil.
Claims9
A method of preparing an oil-based suspension of a micronutrient material, the method comprising blending an oil with particles of a compound containing the micronutrient material to produce a suspension which is pumpable at ambient temperature;
- wherein 90% of the particles in the micronutrient material have sizes between 0.1 and 50 μm;
- and wherein the suspension has a solids loading in the range 30 to 80 weight %.
Dependencies are inferred from the claim text.