4 Lbs Nitrate of Soda 16-0-0 Promotes Vigorous Growth & Greener Foliage Quickly" Not For sale To: California *** Not for sale to: california *** nitrate of soda 16-0-0 4 Lbs a fast acting non-acidic forming source of nitrogen; when Growth and color are needed quickly. Application rates: Vegetables: 1 lb. Per 100 sq. Ft. Lawns: 5 lbs. Per 333 sq. Ft. Active ingredient - nitrate of soda - total nitrogen - 16%