首页> 外文期刊>Canadian Journal of Pure and Applied Sciences >ASSESSING HEAVY METAL ACCUMULATION IN SOILS OF TEA GROWING AREAS AND THEIR TRANSFER TO TEA LEAVES IN BANGLADESH
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ASSESSING HEAVY METAL ACCUMULATION IN SOILS OF TEA GROWING AREAS AND THEIR TRANSFER TO TEA LEAVES IN BANGLADESH

机译:孟加拉国茶叶生长区土壤中重金属的积累及其向茶叶中的转移

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An investigation was conducted at Bilashchhara and Shatgaon Tea Estates of Sreemangal under Moulvibazar districtin Bangladesh to assessing the heavy metal accumulation in soils and their transfer to tea leaves. Thirteen compositesoil and leaf samples were gathered from different elevations of the gardens where soil samples were from 0 to 25 cmdepth and leaf samples were from three levels (upper, middle and lower leaves). Tea leaves were collected from thecorresponding sites of the soils. The study showed that the heavy metal contents in soils of both the gardens werealmost similar. Fertilized soils contained more heavy metals than the control soils. Chromium (Cr) and Cadmium (Cd)were not detectable in soils. The concentrations of Cu, Zn, Fe, Cr, and Ni in tea leaves were below the phytotoxic levels.Lead (Pb) and Cd were not found in leaves irrespective of the gardens.
机译:在孟加拉国Moulvibazar地区Sreemangal的Bilashchhara和Shatgaon茶园进行了一项调查,以评估土壤中重金属的积累及其向茶叶中的转移。从花园的不同高度收集了13个复合土壤和叶片样本,其中土壤样本的深度为0到25厘米,叶片样本来自三个级别(上层,中层和下层)。从土壤的相应部位收集茶叶。研究表明,两个花园土壤中的重金属含量几乎相同。施肥的土壤比对照的土壤含有更多的重金属。在土壤中无法检测到铬(Cr)和镉(Cd)。茶叶中的铜,锌,铁,铬和镍的含量均低于植物毒性水平,无论花园如何,均未发现铅(Pb)和镉(Cd)。

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