soil combined pollution

基本解釋

There are a number of elements accumulating in various types of industrial soil, showing a trend of combined pollution.
各類型企業(yè)土壤均存在多個元素累積，呈現(xiàn)出復(fù)合污染的趨勢。
The results indicted that the soil Cmic and Nmic were decreased significantly with the treatments of combined pollution of lead and bensulfuron-methyl during the whole incubation period (180d).
鉛與芐嘧磺隆除草劑復(fù)合污染在整個培養(yǎng)期間（180天）都對土壤中微生物量碳和氮的含量產(chǎn)生顯著的抑制效應(yīng)。
The average combined pollution index was 0.970, indicating that most of the soil samples were clean and that pollution of heavy metal for some areas was at the alert level.
雷州半島土壤綜合污染指數(shù)總平均為0.970，土壤總體上尚清潔，重金屬污染處于警戒水平；