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首頁 /  茶文化 /  茶與文學(xué) /  廣西主要茶區(qū)土壤重金屬的監(jiān)測與污染評價

廣西主要茶區(qū)土壤重金屬的監(jiān)測與污染評價

通過測定廣西主要茶區(qū)樂業(yè)、羅城、蒼梧、橫縣等地茶園土壤重金屬鉛(Pb)、鎘(Cd)和銅(Cu)的含量,并結(jié)合茶園土壤重金屬評價標(biāo)準(zhǔn)和茶園土壤污染分級標(biāo)準(zhǔn),采用單因子污染指數(shù)法和Nemerow污染指數(shù)法進(jìn)行污染評價。結(jié)果表明:廣西主要茶區(qū)土壤中這3種重金屬含量均較低,Cd和Cu平均含量都處在一級水平,Pb平均含量除1個地區(qū)處在二級水平外,其余3個地區(qū)均處于一級水平,Cd和Cu單因子污染指數(shù)和綜合污染指數(shù)均小于1.000,Pb的單因子污染指數(shù)和綜合污染指數(shù)都在0.264~1.120之間。廣西主要茶區(qū)茶園土壤環(huán)境質(zhì)量總體良好,符合有機(jī)茶園土壤環(huán)境質(zhì)量標(biāo)準(zhǔn),可因地制宜發(fā)展有機(jī)茶產(chǎn)業(yè)。

完成機(jī)構(gòu):廣西山區(qū)綜合技術(shù)開發(fā)中心,廣西南寧530022

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