Jonathan Green 11989 Green-Up Lawn Fertilizer, 29-0-3, Covers 15000 Sq. Ft.An ideal balance of fertilizer for today's high quality turf requirements. Has the added benefit of Green Meter Technology with 40% slow release nitrogen, which continuously feeds the turf for up to 10 12 weeks. Green Up's release is unaffected by excessive rainfall, thereby reducing grass clippings. Green Up also provides readily available forms of phosphorus and potassium and a uniform particle size for even spreader distribution. The addition of