液氨直接施用,是现代农业施肥技术中的一项重大革新.近年来,自治区先后开展了规模不等的大田液氨施用试验,效果显著.为了加速液氨施用技术的开发应用,1984年我们就液氨与等氮量化肥一次深施对冬小麦施用肥效及其经济效益比较分析整理如下.一、试验设计 The direct application of liquid ammonia is a major innovation in modern agricultural fertilization technology.In recent years, the autonomous region has carried out large-scale field liquid ammonia application test ranging in scale, the effect is remarkable .In order to accelerate the development and application of liquid ammonia application technology, in 1984 we A liquid nitrogen and nitrogen fertilizer on a deep application of fertilizer on the efficiency of winter wheat and its comparative analysis of economic benefits as follows.