Gordon's 2.5 gallon 20-0-0 NPK ratio Liquid Lawn & Pasture Fertilizer. This liquid fertilizer is designed for use with pull-behind sprayers and can be applied throughout the year for healthier lawns and pastures. It may also be mixed with amine-based herbicides for use as a liquid weed and feed. This fertilizer covers up to 15,000 square feet and contains micronutrients.