Target Specialty Products Slow Release Granular Fertilizer with Biosolids, 50 lbs. is specially formulated for use in the Midwest to support healthy lawn care. Developed through a partnership between Target Specialty Products and Scotts Pro, this exclusive granular fertilizer a slow-release formula that relies on microbial activity in the soil to gradually provide nutrients. This approach helps protect against ammonia volatilization, leaching, and denitrification, ensuring your lawn receives consistent nourishment over time. For optimal results, it is to apply this fertilizer using a spreader at a rate of 6.25 lbs. per 1,000 square feet. Model Number: