敲击硝铵有危险硝铵是很容易受潮结块，不少农民在使用中常用铁锤、石块、砖头等物敲击，这种做法很不安全。因为硝接在受到猛烈敲击时会迅速分散．放出大量气体而发生爆炸。因此，硝铵结块后，最好用木棍碾碎，而不能敲击，以免发生爆炸事故。（赵景胜）敲击硝铵有危险@... Ammonia percussion risk Danger ammonium nitrate is easily damp agglomeration, many farmers in the use of commonly used hammer, stones, bricks and other objects percussion, this approach is not safe. Because Nitro then rapidly disperses when violently struck. Release a lot of gas explosion. Therefore, ammonium nitrate agglomeration, it is best to use a wooden stick crushed, but not percussion, so as to avoid an explosion accident. (Zhao Jingsheng) percussive ammonia risk @