【摘要】 为调查农田防护林两侧农田土壤环境中重金属污染状况,同时为了了解农田防护林对农田土壤中重金属铅的防护效能,于2002年10月和2003年3、6月分别对长春市城郊的农田保护区的土壤环境质量进行监测,共布设了16个监测点,测定了铅质量分数。结果表明:长春市农田土壤未发现污染。3个月份重金属的检出率均为100%,3月份的重金属实测值比其它月份高,10月份的重金属实测值较其它月份低。总体来说,长春市农田土壤环境良好,较适合粮食、蔬菜等种植,农田防护林对来自城区大气污染物有一定的防护作用。更多还原

【Abstract】 The soil environmental quality of soil in farmland conservation area in Changchun Suburb was monitored from 2002 to 2003 in order to investigate the lead content in the soil on both sides of the farmland shelterbelt,and to find out the defending effect of the farmland shelterbelt on lead in farmland soil. A total of 16 monitoring sites were set up to measure lead content in the farmland soil. Result showed that farmland soil in Changchun Suburb was not polluted by lead,but lead was all detected out in all the monitoring sites in March,and lead content in March was highest and that in October was lowest. As a whole,the soil environment in Changchun Suburb is suitable for growing crops and vegetables. Farmland shelterbelt plays a certain role in reducing atmospheric contamination from the city zone.更多还原