MC Extra® from a species that only grows along the North Atlantic coast Ascophyllum nodosum seaweed Natural fertilizer extracted from the pollution-free Atlantic waters. It is rich in nutrients necessary for crop growth and development, such as nitrogen, phosphorus, potassium, various amino acids, organic matter, alginic acid, etc., and can be quickly absorbed by crops. It is recognized as a pollution-free, quick-acting, green plant nutrition promoter in the world.