Home - Arkansas Plant Food Association Arkansas Plant Food Association Welcome Welcome to the Arkansas Plant Food Association web site. The APFA is a nonprofit organization operating in the state of Arkansas keeping its members informed promoting agricultural programs and cooperating with all agricultural agencies particularly the Division of Agriculture of the University of Arkansas in promoting better use of plant food and lime by Arkansas farmers. Our primary objectives are to foster and promote the dissemination of useful and practical information regarding all forms of plant food and lime their application to crops of all kinds better cultural practices and other related information which would result in the production of better crops and increased farm income. We also strive to enlist in its membership and activities at least one person from each fertilizer and lime distribution installation doing business in Arkansas.