Bridgewell Agriculture PAR4® AFEBMLGRAXXX50B 2-14-0 Granulated Bone Meal 50 lbs - PAR4® granulated bone meal is heat treated, which assures a safe product with virtually no pathogens and contaminants. The phosphorous in PAR4’s bone meal is naturally occurring and is highly available to soil microbes and plants. The portion of the phosphorous that is not immediately available to the plant releases slowly and has minimal impact on waterways and aquatic organisms. PAR4® products are manufactured by facilities that understand the value of environmental stewardship.