Ammonium nitrate (as per GOST 2-2013) is the main all-purpose nitrogenous fertilizer. It ranks first by its efficiency among the nitrogenous fertilizers. It may be used on soils of all types and for all the agricultural crops as the main spring-applied fertilizer or as a supplementary fertilizer. It comes in the pelletized form. It is highly soluble in water. It is quickly digested by plants.