基于农业区位论的北京市土壤-小麦系统中重金属Pb积累特征及其健康风险 |
| 陈志凡, 赵烨, 谷蕾, 呼红霞, 田青 |
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Pb Accumulation and Its Health Risk in Soil-wheat System of Beijing City Based on Agricultural Location Theory |
| Zhi-fan CHEN, Ye ZHAO, Lei GU, Hong-xia HU, Qing TIAN |
| 图3 研究区不同样点土壤样品中Pb的化学形态 |
| Fig.3 Chemical fractions of Pb in soil from various sampling sites |
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