Using natural biodegradable biopolymers like organic fertilizers could be a sustainable alternative facing the common usage of inorganic nitrogen fertilizers that result harmful to the environment. This way, researchers from Universidad Politécnica de Madrid (UPM) in collaboration with University of Hamburg, have developed a method to obtain biocompounds made from the chitin of the exoskeletons of crustaceans and insects, its usage in plant cultivations has proved to be more efficient.