2012年6月25日1时30分,《磷肥与复肥》总编、敬爱的孙以中教授因病与世长辞,享年77岁。她永远离开了我们编者和广大的作者、读者,告别了她付出辛劳汗水的《磷肥与复肥》编辑事业。在这万分悲痛的时刻,让我们一起追思这位为了《磷肥与复肥》杂志呕心沥血、奉献一生的优秀编辑工作者!《磷肥与复肥》杂志自1985年创刊以来,孙以中老师除了承担繁重的教学、科研任务以外,投 At 1:30 on June 25, 2012, Professor Ai Yizhong, chief editor of “Phosphate Fertilizer and Compound Fertilizer,” died at the age of 77 at the age of 77. She has always left our editor and a large number of authors and readers, bidding her farewell to the hard work of “phosphate fertilizer and compound fertilizer” editing career. In this moment of grief, let us recollect this for phosphate and compound fertilizer magazine devote one’s time, dedication of outstanding editor! “Phosphate fertilizer and compound fertilizer” magazine since its inception in 1985, Sun Yizhong teacher in addition to bear the heavy Teaching, scientific research tasks, investment