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笔者根据多年的实践经验 ,阐述以尿素为氮源 ,生产高氮〔w(N)≥ 2 0 %〕复肥的现实意义及生产技术要点 ,具体介绍 2个高氮复肥 (2 30 7)、(2 0 10 15 )的配方实例及操作要点
Based on many years of practical experience, the author elaborates the practical significance and technical points of production of high-nitrogen (w (N) ≥ 20%) compound fertilizers using urea as a nitrogen source, and introduces two high-nitrogen compound fertilizers , (2 0 10 15) recipe examples and operating points