Bridgewell Agriculture PAR4® AFEPMLMEA13040B 13-0-0 Blood Meal 40 lbs - A natural source of nitrogen, blood meal is ideal for promoting lush and green vegetative growth. The high nitrogen is rapidly available, making it ideal for heavy feeders, such as leafy greens, corn, brassica crops, tomatoes, peppers. Blood meal should be incorporated into the soil prior to planting or worked into the soil around existing plants.