鄂西南烟区空气和灌溉水质量初探——以恩施自治州利川市为例

来源 :湖北农业科学 | 被引量 : 0次 | 上传用户:kg1ksmhz1
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通过对利川市烟区空气和灌溉水进行采样、监测和分析,并采用综合污染指数法进行评价,结果表明,利川市烟区空气综合质量状况达到Ⅰ级标准,且随着距利川市城区距离的缩短,空气的综合污染指数呈逐渐升高的趋势,且9月份的环境空气综合污染指数较5月份和7月份均呈不同程度的升高趋势;灌溉水综合质量状况达到Ⅰ级标准,灌溉水中重金属种类主要为砷和铬,但其含量均低于《农田灌溉水质标准》(GB5084-2005)所规定限值.
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