液体氮肥近年来在苏联已开始应用。这种肥料的优越性在于:它生产比較簡单和便宜,而用全部机械化可施于土壤內禾宓实挠τ梅⒄购苎杆佟0钡乃芤?或所謂氨水,在苏联和波兰人民共和国得到了优先的普及。 Liquid nitrogen fertilizer has been used in the Soviet Union in recent years. The advantage of this fertilizer is that it is relatively simple and inexpensive to produce and can be applied in the soil with all its mechanization. In the United States, the so-called " And the People’s Republic of Poland have gained preferential access.