在对粉煤灰的物理性状、化学成分剖析的基础上 ,对重金属元素Cr、Pb、Cd、Hg、As,放射性元素U、Th、Sr及苯丙芘 (Bap)在小麦、玉米中的富集情况进行了测定。结果表明 ,小麦、玉米轮作田 ,亩施 4万kg粉煤灰后 ,小麦、玉米籽粒、茎叶等器官中这些元素的含量 ,都远远低于国家粮食卫生标准的规定值 ,与不施粉煤灰的对照相比没有差异。 Based on the analysis of the physical properties and chemical composition of fly ash, the enrichment of heavy metals Cr, Pb, Cd, Hg, As, radioactive elements U, Th, Sr and Bip in wheat and corn The measurement was carried out. The results showed that the content of these elements in wheat, corn grain, stems and leaves and other organs were far lower than the national food hygiene standards, There was no difference in fly ash control.