哈尔滨市土壤卫生学研究

本研究对哈尔滨市不同繁华程度的街道、新旧住宅庭院和公园及游览区进行土壤微量元素分析和卫生状况调查。结果表明,哈尔滨市各类街道土壤中大部分微量元素高于新旧住宅区,二者又高于郊区,各街道、住宅区及公园等卫生状况极差,均属于严重污染。

The Pollution Survey of Harbin City Soil

In order to know the soil pollution of Harbin city the 9 streets, 6 yards, 1 parks and some scenic spots in three representative distracts were surveyed. The indices detected inclu- ded Cd, Pb, Cu, Zn, Cr, Mn, Hg, As, F, total bacteria count, roundworm egg count, soil sanitary number. The results show, -most elements of street soil is higher than that of control. The Pb of the busiest streets is highre than that of busy street and the latter is higher than that of light traffic street. The differences of variety streets may result from theautomobile Pollution. The elements of yard and Park soil are also higher than that of control but they are lower than those of streets. The sanitary state of streets, yards and Parks in Harbin is worse, especially busy streets and old yards.