Neptune's harvest, 4 lb, 1-0-2, organic kelp meal, dried & ground rock weed, ascophyllum nodosum, full of trace minerals, carbohydrates & amino acids, which help create a strong root systems & makes a very healthy plant, it should be tilled in the soil before planting or can be top dressed, incorporated into potting soils, seed beds & composting material, it will add organic matter to your soil & help it retain moisture & healthy & green, great results on all plants, may mix with the neptune's harvest crab shell, bag.