A composition for weed control and fertilizer comprising iron hydroxyl ethylenediaminetriacetic acid, humate, microelements, soy hydrolysate, calcium lignin, a natural-based wetting agent, molasses desurgarized solubles, and water, and may further comprise glycerin and/or preservatives, are provided. Methods for weed control and fertilization of plants comprising the steps of providing a composition comprising an effective amount of iron hydroxyl ethylenediaminetriacetic acid, humate, microelements, soy hydrolysate, calcium lignin, a natural-based wetting agent, and molasses desurgarized solubles, and applying an effective amount of the composition to soil or a plant or a weed, are also provided.