This all-natural soil additive provides more than 70 minerals, plant growth regulators, vitamins, hormones, and enzymes that will stimulate microbial activity and provide a strong supply of naturally chelated nutrients. A special kelp harvesting method gives this product the lowest sodium content of any kelp meal. Application rate: 20 lbs/2,000 sq. ft. The Kelp Meal is Norwegian Kelp (Ascophyllum nodosum). The analysis breaks down as follows: Crude Protein | min 4% | Fibre | max 8% | Calcium | 1.5% - 2.5% | Phosphorus | min 0.1% | Potassium | min 2% | Sodium (NaCl) | 3.5% - 4.5% | Iodine | 0.05% - 0.08% | Also see Kelp Meal for Pets. |