Control & Slow Release NPK Fertilizer Market by Product Type (Blended Compound Npk, Controlled Release, Enhanced Efficiency), Release Mechanism (Biopolymer Coatings, Coated Prills, Encapsulated Granules), Release Duration, Coating Material, Formulation, Physical Form, Nutrient Ratio, Product Origin, Crop Type, Application, End User - Global Forecast 2026-2032