Soluble Kelp Seaweed Powder - 4 Ounces for Plant Root Development and Growth Stimulant 0-0-17 Organic Fertilizer Guaranteed 0-0-17 Analysis Certified Organic Contains 70 minerals, vitamins, and enzymes Improves the plant's leaf canopy to help the plant access and use more nutrients to increase root development. Seaweed feeds and enriches plants and soil with a wide range of nutrients, growth stimulants and conditioners.