Patent ID: 9199883
Filing Date: 2015-12-01
Classification: C05B,C05G

Abstract:
1. A fertilizer composition comprising: a base fertilizer granule, the base fertilizer granule comprising at least one primary nutrient; a barrier coating covering at least a portion of an outer surface of the base fertilizer granule, the barrier coating being selected from the group consisting of urea, langbeinite, ammonium sulfate, potassium sulfate, magnesium sulfate, calcium sulfate, elemental sulfur, silicates, respective hydrates, and combinations thereof; one or more micronutrients dispersed within the barrier coating such that the one or more micronutrients are chemically and physically isolated from the base fertilizer granule; and a polymer coating covering at least a portion of the barrier coating, and one or more additional micronutrients incorporated into or onto the polymer coating.