Neptune's Harvest Organic Kelp Meal is ascophyllum nodosum, which is widely recognized as one of the finest marine plants available. Kelp Meal is a natural and cost-effective enhancement to any soil fertilization and conditioning program. It is suitable for all crops and applications. Kelp Meal contains minerals, carbohydrates and amino acids. It will add organic matter to your soil and help it retain moisture. It will enhance healthy root growth.