Bridgewell Agriculture PAR4® AFEPMEMEA12240B 12-0-0 Feather Meal 40 lbs - Made from hydrolyzed, ground feathers, PAR4 Feather Meal is an excellent source of protein and slow-release nitrogen. Feather meal is a slow-release organic fertilizer for vegetables, flowers and trees, releasing over a period of several months. Perfect for plants that require a consistent dose of nitrogen for the growing season.