Abstract: Fertilizer particles containing a core and a shell is described. The core can contain urea, a pH buffering agent, and an urease inhibitor, and the shell can contain urea and can cover at least a portion of an outer surface of the core. The core can include 20 wt. % to 80 wt. % urea, based on the total weight of the core, and the shell can include 50 wt. % to 100 wt. % urea, based on the total weight of the core.

Abstract: Fertilizer particles with urease inhibitors and nitrification inhibitors are described herein. The fertilizer particles can include a core particle comprising a urease inhibitor and an outer layer comprising a nitrification inhibitor.

Abstract: A fertilizer blend containing 10 wt. % to 90 wt. % of a first particulate fertilizer composition and 10 wt. % to 90 wt. % of a second particulate fertilizer composition is disclosed. In the fertilizer blend, the second particulate fertilizer composition can be blended with the first particulate fertilizer composition. The first particulate fertilizer composition can include a core containing a binder, a pH buffering agent, and an urease inhibitor, and a shell containing urea, where the shell covers at least a portion of an outer surface of the core.

Abstract: Particulate fertilizer compositions that include nitrification inhibitors and urease inhibitors are described herein. The inhibitors are separated from each other by being in separate particles. Fertilizer particles in the composition include particles having a core-shell structure, with an inhibitor included in the core particle.

Abstract: Disclosed is a fertilizer granule containing a homogeneous mixture containing i) phosphogypsum in an amount providing 6.5 wt. % to 22 wt. % of calcium (Ca) and 5 wt. % to 17.6 wt. % of sulfur (S) present in the form of sulfate, ii) 3.8 wt. % to 8 wt. % of magnesium (Mg), iii) 0.5 wt. % to 4 wt. % of zinc (Zn), iv) additional sulfate in an amount providing 5 to 12.5 wt. % of sulfur (S), and v) optionally 0.5 wt. % to 5 wt. % of a humic substance, based on the total weight of the fertilizer granule. Methods of making and using the fertilizer granule are also disclosed.

Abstract: Fertilizer particles with urease inhibitors and nitrification inhibitors are described herein. The fertilizer particles can include a core particle comprising a urease inhibitor and an outer layer comprising a nitrification inhibitor.

Abstract: Particulate fertilizer compositions that include nitrification inhibitors and urease inhibitors are described herein. The inhibitors are separated from each other by being in separate particles. Fertilizer particles in the composition include particles having a core-shell structure, with an inhibitor included in the core particle.

Abstract: Fertilizer particles described herein include a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler material embedded within a solid urea matrix. Methods of producing the fertilizer particles involve contacting a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler with molten urea under conditions sufficient to form a fertilizer particle having the powder composition embedded within a solid urea matrix.

Abstract: Fertilizer particles with urease inhibitors and nitrification inhibitors are described herein. The fertilizer particles can include a core particle comprising a urease inhibitor and an outer layer comprising a nitrification inhibitor.

Abstract: Seaweed and/or seaweed extract coated fertilizer core, methods for their use, and production thereof, are disclosed. The fertilizer core, coated by the seaweed and/or seaweed coating, can contain 50 wt. % or more, based on the total weight of the core, of a urea-based fertilizer, or an inorganic fertilizer containing one or more of nitrogen, phosphorus, or potassium, or a combination thereof. The coating can include a seaweed and/or seaweed extract, and optionally contain or exclude gypsum, water insoluble polymer(s) other than native water insoluble polymers present in the seaweed or extract thereof, water, solubilizing agent(s), anticaking agent(s), and/or binding agent(s).

Abstract: In accordance with the present invention, disclosed herein is a fertilizer core and fertilizer granule and methods related thereto. The fertilizer core particle has an outer surface and comprising one or more fertilizer additives, one or more binders, and one or more pH buffering agents, and wherein the fertilizer core particle comprises from about 10 wt % to about 99 wt % of the one or more binders.

Abstract: In accordance with the present invention, disclosed herein is a fertilizer core and fertilizer granule and methods related thereto. The fertilizer core particle has an outer surface and comprising one or more fertilizer additives, one or more binders, and one or more pH buffering agents, and wherein the fertilizer core particle comprises from about 10 wt % to about 99 wt % of the one or more binders.

Abstract: Fertilizers with urease inhibitors and/or nitrification inhibitors are described. The fertilizer can include an extruded granule containing urea, a polymeric binder, and a nitrification inhibitor and/or an urease inhibitor.

Abstract: In accordance with the present invention, disclosed herein is a fertilizer capsule comprising one or more cores, wherein each of the one or more cores independently comprises one or more fertilizer additives and a binder, and wherein each of the one or more cores comprises from 10 wt % to 99 wt % of the binder Also in accordance with the present invention, disclosed here is a method of producing a fertilizer core via an extrusion process.

Abstract: In accordance with the present invention, disclosed herein is a fertilizer core particle and fertilizer granule. The fertilizer core particle has one or more fertilizer additives, one or more binders comprising a wax, and one or more pH buffering agents, and wherein the core particle comprises from about 10 wt % to about 99 wt % of the one or more binders comprising a wax.

Abstract: Fertilizers with urease inhibitors and/or nitrification inhibitors are described. The fertilizer can include an extruded granule containing urea, a polymeric binder, and a nitrification inhibitor and/or an urease inhibitor.

Abstract: Fertilizer particles with urease inhibitors and nitrification inhibitors are described herein. The fertilizer particles can include a core particle comprising a urease inhibitor and an outer layer comprising a nitrification inhibitor.

Abstract: Fertilizer capsules, methods of making the fertilizer capsules, and uses of the fertilizer capsules are described. A fertilizer capsule can include one or more cores. Each core can include one or more fertilizer additives and 10 to 99 wt. % of an extrudable binder.

Abstract: Particulate fertilizer compositions that include nitrification inhibitors and urease inhibitors are described herein. The inhibitors are separated from each other by being in separate particles. Fertilizer particles in the composition include particles having a core-shell structure, with an inhibitor included in the core particle.

Abstract: Fertilizer particles described herein include a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler material embedded within a solid urea matrix. Methods of producing the fertilizer particles involve contacting a powder composition that can contain one or more urease inhibitors and/or nitrification inhibitors and a filler with molten urea under conditions sufficient to form a fertilizer particle having the powder composition embedded within a solid urea matrix.