Application 4 of The Andersons Lawn Program Helps feed and prepare your lawn for winter Includes quick- intermediate- and slow-release nitrogen for a fast green-up and extended feeding Contains iron for extra deep-greening Safe for all turf types The Andersons Fall Lawn Food 24-0-14 is Application 4 of The Andersons Lawn Program. Fall Lawn Food contains nitrogen, potash and iron. Nitrogen promotes the top growth of the grass and produces the deep green color. The Andersons Fall Lawn Food includes three types of nitrogen, quick-, intermediate- and slow-release for a quick response and then steady feeding for weeks to come. Potash thickens the wall structure of the grass, making it more hardy and vigorous. The iron will prevent yellowing by aiding in the grass' development of chlorophyll. Using Fall Lawn Food will help your lawn recover from any summer damage and help prepare it for the winter months.