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采用环境调查的方法研究了涪陵南沱镇茎瘤芥种植基地灌溉水环境质量状况。结果表明,该区域灌溉水质量整体较好,基本上属于清洁和尚清洁水平,只有少数样点CODcr超标。主成分分析表明影响该区域灌溉水水质的主要因素为一般性的有机污染、重金属污染、富营养化和氟化物污染。
The environmental quality of irrigation water in the tumorous tumorous stem mustard plantation in Nantuo, Fuling was studied by means of environmental survey. The results showed that the overall quality of irrigation water in this area was good, which basically belonged to the clean monk cleanliness level. Only a few CODcr exceeded the standard. Principal component analysis showed that the main factors affecting the quality of irrigation water in this area were general organic pollution, heavy metal pollution, eutrophication and fluoride pollution.