一性状硝酸铵钙系由硝酸铵与白云石混合制成的氮素化学肥料。它的含氮量为20—21%,其中氨态氮与硝酸态氮约各占一半;此外并含有35%左右的碳酸钙,以及一些碳酸镁,它的颜色是淡栗色,形状为不规则的粒状。具有吸湿性,容易潮解。二施用1.适宜施用的土壤:硝酸铵钙一般土壤均可施用,尤其在缺乏石灰质呈酸性反应的土壤,施用硝酸 A trait of ammonium nitrate is made of ammonium nitrate and dolomite mixed nitrogen chemical fertilizer. Its nitrogen content of 20-21%, of which ammonia nitrogen and nitrate nitrogen each about half; in addition and contains about 35% of calcium carbonate, and some magnesium carbonate, its color is light maroon, the shape of irregular Of the granular. Hygroscopic, deliquescent. II Application 1. Appropriate application of soil: calcium ammonium nitrate can be applied to the general soil, especially in the absence of lime acidic reaction of soil, the application of nitric acid