N 10% -P 3%- K 1% This fast-acting, naturally aged marinebird guano will provide sustained growth and production for all nitrogen loving plants. It is pelletized 2-4mm for dust free, easy application.May be used through all stages of growth. Use 5 to 10 lbs per 100 square feet. For containers, use 1-4 tablespoons per gallon of soil. Caution: Do not over apply and spread evenly over area. May burn if not properly applied.