Fantastic on lawns N 9%. 100% natural pre-emergent weed suppressor & slow release granular nitrogen fertilizer derived from corn gluten. It works by inhibiting the development of small feeder roots. Not effective against established weeds. Apply in early spring & mid season at 20 - 30 lbs per 1000 sq ft/1200 - 2400 lbs per acre. The effectiveness compounds with each seasonal application resulting in better weed control. May be applied around bedding plants, flowers, trees, shrubs & vegetables. Will inhibit seed germination. DO NOT APPLY when seeding or reseeding. We've had good to excellent reports from home gardeners & commercial landscapers.
Also see Corn Gluten under Fertilizers.