液氨是氮肥工厂生产固体氮肥的中间产物,它具有肥效长、价格低、增产幅度大和经济效益高的优点,一些发达国家早已在农业上广泛采用,近年来国内及我区各地也在试验使用,受到普遍欢迎.兵团拟于今年大面积推广,各地、州、县亦正在创造条件大量采用.这里介绍液氨用作底肥和追肥的两个材料,供参考. Liquid ammonia is an intermediate product of nitrogenous fertilizer production of solid nitrogen fertilizer. It has the advantages of long fertilizer efficiency, low price, large yield increase and high economic efficiency. Some developed countries have long been widely used in agriculture. In recent years, it has also been used experimentally both in China and in our region , Is generally welcomed. Corps intends to promote large-scale this year, all over the state, county is also creating a large number of conditions to use here to introduce liquid ammonia as a fertilizer and top dressing of the two materials for reference.