Evolution of heavy metal contents in the soil of protected vegetable fields and its environmental quality evaluation in Yongnian county of Hebei province in China
| Autor: | Xi, Zengfu, Xu, Yunhong, Ma, Baoguo, Wang, Shuji |
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| Zdroj: | World Journal of Engineering, 2016, Vol. 13, Issue 3, pp. 258-265. |
| Databáze: | Emerald Insight |
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