Sulfur-containing fertilizer composition and method for preparing same
AssigneeCargill, Incorporated
InventorsLawrence Alan Peacock, Arthur Ray Shirley, Jr.
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Abstract
A fertilizer composition that includes a plurality of particles in which the particles feature a plurality of sulfur platelets embedded within a fertilizer portion, and a method for preparing this composition in which fertilizer-containing particles are sprayed first with a sulfur spray, and then with a slurry containing fertilizer or a precursor thereof, followed by curing.
Claims48
A fertilizer composition comprising a plurality of particles, wherein said particles comprise:
- (a) a fertilizer portion;
- and
- (b) a plurality of discrete sulfur platelets embedded within said fertilizer portion.
A method for preparing a fertilizer composition comprising:
- (A) spraying a first plurality of particles comprising a fertilizer with (a) elemental sulfur and then (b) a slurry comprising a fertilizer or precursor thereof;
- and
- (B) curing the product of step (A) to form a second plurality of particles comprising (i) a fertilizer portion and (ii) a plurality of discrete sulfur platelets embedded within said fertilizer portion.
A method for delivering sulfur to soil comprising treating the soil with a fertilizer composition comprising a plurality of particles,
- wherein said particles comprise (a) a fertilizer portion and (b) a plurality of discrete sulfur platelets embedded within said fertilizer portion.
Dependencies are inferred from the claim text.