Jonathan Green All Purpose Lawn Fertilizer For All Grasses 15000 sq ft Landscape Rocks Item Weight 752 Included Battery(s) Item Weight 752 Included Battery(s) Automatic door locking feature after 30 seconds for peace of mind due to the absence of fast release synthetic ingredients ) Application Season all season Container Size 51 pound Coverage Area 15000 square foot Grass Type all grasses OMRI Certified no Organic yes Packaging Type bagged Product Form granules Suitable for Vegetables no Water Soluble no Fertilizer Analysis (N P K) 10 0 1 Phosphorus Free yes Application Conditions dry Iron Included yes Pre Post Emergent pre emergent Primary Usage all purpose Size of Lawn large (10000 sq ft+)