前言液氨在农业上的应用广泛,它包括:作为氮肥直接施用、反刍家畜饲草的氨化处理、机械化采收棉花的助收剂(脱叶剂)、粮食贮藏及瓜果保鲜等方面。由于液氨是一种液化气体,它具有强烈的刺激性气味和腐蚀性,如使用时操作不当,人吸入过量的氨能引起粘膜腐蚀并严重损伤肺部;若与液氨或高浓度气氨接触还将 Introduction Liquid ammonia is widely used in agriculture. It includes the following aspects: direct application of nitrogen fertilizer, ammonification of livestock forage for ruminants, assistant harvesting agent for mechanized harvesting of cotton, grain storage and preservation of fruits and vegetables. As liquid ammonia is a liquefied gas, it has a strong irritating odor and corrosive, such as improper use, inhalation of excessive ammonia can cause mucosal corrosion and serious damage to the lungs; if liquid ammonia or high concentrations of ammonia Contact will be