Ammonia water is mainly used in production of nitrogen mineral fertilizers, also for liquid and complex fertilizers production. Ammonia water, as nitrogen fertilizer can be applied while soil cultivation. In agronomist opinion, it is one of the cheapest liquid fertilizers with 20,5 % content of ammonia. The best result can be reached by its application into soil in autumn, as it doesn’t washes by atmospherics. Ammonia water can be applied for all kinds of agricultural crops, primarily for acid soils. Ammonia water is used in calcined soda obtaining technology, also in production of nitrogenous dyes. In food industry it is registered as food additive.