Organic Lab 2.5 Gallon Yard & Lawn Maker Yard & Lawn Maker™ 8-0-4 foliar fertilizer utilizes slow-release nitrogen for sustained feeding and quick green-up. It also contains an additional 1.0% iron for deeper shades of green. • Micronutrients for Improved Nutrition• Slow-Release Nitrogen for Sustained Feeding• Quick Green-Up and Deeper Shades of Green