Urban Farm Fertilizers Liquid Lawn Fertilizer, 1 gallon, 10-1-2. Hand-crafted, Micro-brewed liquid lawn fertilizer for all lawn and pasture. With mycorrhizae, humic acid, enzymes, and more. 100% nutrition: Macros & Micros, with Iron and balanced N-P-K. Perfect for tow behind tank and hose-end spraying! Instant Green. 1 gallon treats a 5,000 sq ft lawn a minimum 8 times with a hose-end sprayer.