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我国今年推广的化学氮肥,除原有的硫酸铵和硝酸铵外,增加了石灰氮、尿素、硫硝酸铵、硝酸铵钙、氯化铵等五种,已在河南、山东、江苏、浙江、河北、湖南、广东、陕西等省市重点推广。本刊第五期基本知识栏“几种化学肥料的性能及施用法”一文中,曾简单的介绍了这几种肥料。现农业部土地利用总局对这几种新的化学肥料,有更详尽的说明,我们将分两期刊完。
In addition to the original ammonium sulfate and ammonium nitrate, five kinds of chemical nitrogen fertilizer promoted in this year in our country have been added, such as lime nitrogen, urea, ammonium sulphate, calcium ammonium nitrate, and ammonium chloride. These nitrogenous fertilizers have been widely used in Henan, Shandong, Jiangsu, Zhejiang, Hebei, Hunan, Guangdong, Shaanxi and other provinces and cities focus on promotion. The fifth issue of basic knowledge column “several kinds of chemical fertilizer performance and application ” article, had a brief introduction of these kinds of fertilizer. Now the Ministry of Agriculture Land Use Administration of these types of new chemical fertilizers, a more detailed description, we will be finished in two issues.