Down To Earth’s Bio-Turf 8-3-5 is an entirely natural granular lawn fertilizer designed to encourage deep root development to help reduce watering requirements. DTE Bio-Turf’s nitrogen-rich formula boosts early season growth while its extra Potassium reduces seasonal stress due to temperature change and drought. DTE Bio-Turf is also ideal for heavy-feeding garden vegetables like corn, tomatoes, and leafy greens.