摘要
对熊岳地区的大米和玉米中的三种重金属元素进行了检测和评价。结果表明:大米和玉米中三种重金属铜、锌、铬均未超标,说明两种农产品未受到重金属污染。但铬含量接近国家标准值,今后应注意合理施用肥料,防止农产品重金属污染的发生。
We measured three kinds of heavy metallic elements in the bear rice and maize of xiongyue. The results showed: Three kinds of heavy metal copper, zinc, chromium had not exceeded standard in the rice and maize, it proved that the two kinds of agricultural products have not been contaminated by heavy metal, but the content of chromium is close to national standard value, we should pay attention to using the fertilizer rationally in the future, so prevent the agricultural product from heavy metal contamination.
出处
《辽宁农业职业技术学院学报》
2009年第2期8-9,共2页
Journal of Liaoning Agricultural Technical College
关键词
大米
玉米
铜
锌
铬
rice
maize
copper
zinc
chromiun