Pro Nutriwave Poultry Fertlizer (4-1-3 N-P-K) Dehydrated poultry litter recycled, pasteurized and pathogen-free from our Canadian neighbors. Safe to use on seedlings as well as in your garden. Dry, granulated form is easy to use. Spread and work into soil or side-dress heavy feeding crops. Apply at 5#/100 sq. ft. or 50#/1000 sq. ft. USDA certified / MOFGA approved.