高氮施肥區(qū)蔬菜硝酸鹽及亞硝酸鹽調(diào)查
[Abstract]:Objective to investigate nitrate and nitrite pollution in vegetables in high nitrogen fertilization area. Methods A total of 27 vegetable samples were collected in the upper reaches of Shaying River from July to October 2011. Nitrate and nitrite contents were detected in 136 vegetable samples and a preliminary health risk assessment was carried out. Results the nitrate content of vegetables was higher in August and September, the lowest in October, the highest in September and the lowest in July and October. The 4.00mg/kg rate of six kinds of vegetables in October was 41.67 and reached the standard in October. The nitrate health risk index of vegetables was 1 except October, and the nitrite health risk index was 1. Conclusion the accumulation of nitrate and nitrite in vegetables in this area is high, and nitrate has some health risks.
【作者單位】: 濮陽(yáng)縣環(huán)境保護(hù)局;河南大學(xué)環(huán)境與規(guī)劃學(xué)院;
【基金】:國(guó)家自然科學(xué)基金(41371195;41301336) 教育部和河南省共建河南大學(xué)項(xiàng)目(SBGJ0907010)
【分類號(hào)】:R155.5
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