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为明确鲁东出口区花生Cd污染状况,2004年开展了青岛产区花生田及其产品Cd污染调查研究。结果显示,青岛花生产区土壤Cd含量范围为0.0451￣0.202mg/kg,按照无公害食品大田作物环境标准,没有受到污染;花生籽仁Cd含量范围为0.0374￣0.2667mg/kg,按照无公害食品花生卫生标准,超标样点数占样点总数的96.4%,超标范围为7.8%￣433.4%,受到严重的Cd污染。结果同时显示,花生籽仁Cd污染程度与土壤类型之间存在着一定的关系。因此,摸清青岛花生产区Cd污染源及其与籽仁Cd含量之间的关系,是解决青岛花生Cd污染的首要条件。
In order to clarify the status of peanut Cd pollution in the export area of Ludong, a survey on Cd pollution in peanut fields and their products in Qingdao was carried out in 2004. The results showed that the content of Cd in soils from flower production in Qingdao ranged from 0.0451 to 0.202 mg / kg, which was not polluted according to the environmental standards of field crops for pollution-free food. The content of Cd in peanut seeds ranged from 0.0374 to 0.2667 mg / kg, Health standards for peanuts, exceeding the standard sample points 96.4% of the total number of spots, exceeding the scope of 7.8% ~ 43.4%, seriously Cd contamination. The results also showed that there is a certain relationship between the degree of Cd pollution in peanut seed kernels and soil types. Therefore, to find out the relationship between the source of Cd pollution and the content of Cd in the kernel of flower in Qingdao flower-planting area is the first condition to solve the Cd pollution in Qingdao peanut.