Sigma 4-3-2 Bio - Large Grade Sigma 4-3-2 Bio - Large Grade is a biologically enhanced dry fertilizer designed to provide balanced, low-intensity nutrition while improving soil structure and long-term fertility. With a 4-3-2 NPK ratio, this formulation is ideal for seedlings, transplants, and light-feeding crops that require a gentle, steady nutrient supply. The large-grade granules deliver a slow, controlled release of nutrients, making them well-suited for extended feeding cycles in soil-based systems. Their coarse structure improves soil aeration and drainage, helping reduce compaction and create a healthier root zone environment. Enhanced with biological inputs, Sigma 4-3-2 Bio supports beneficial microbial activity that drives nutrient cycling and improves nutrient availability. This promotes strong root development, balanced early growth, and improved plant resilience over time. Key Features: Mild 4-3-2 NPK formula for gentle, balanced nutrition Large-grade granules for slow-release feeding and soil conditioning Supports beneficial microbial activity and soil biology Enhances nutrient cycling and long-term soil health Improves soil aeration, drainage, and root zone structure Ideal for seedlings, transplants, and light-feeding plants Suitable for soil blending, top dressing, and outdoor/container growing Compatible with organic and regenerative cultivation practices Designed to support early-stage growth and long-term soil performance, Sigma 4-3-2 Bio - Large Grade provides reliable nutrition and biological support without overwhelming plants.
