地膜使用年限对遵义市烟田土壤和烟叶邻苯二甲酸酯累积的影响

doi:10.13287/j.1001-9332.201810.039

应用生态学报 ›› 2018, Vol. 29 ›› Issue (10): 3311-3318.doi: 10.13287/j.1001-9332.201810.039

地膜使用年限对遵义市烟田土壤和烟叶邻苯二甲酸酯累积的影响

张欣¹, 李志涛², 陈秋实¹, 徐莉¹, 孙光军^3*, 张仕祥⁴, 焦加国¹

¹南京农业大学资源与环境科学学院/江苏省有机固体废弃物资源化协同创新中心, 南京 210095;
²中国烟草贵州进出口有限责任公司, 贵阳 550004;
³中国烟草总公司贵州省公司, 贵阳 550004;
⁴中国烟草总公司郑州烟草研究院, 郑州 450001

收稿日期:2018-01-15 出版日期:2018-10-20 发布日期:2018-10-20
通讯作者: E-mail: 641299439@qq.com
作者简介:张欣,女,1994年生,硕士研究生.主要从事土壤污染物调查及评价研究. E-mail: 2016103068@njau.edu.cn
基金资助:
本文由中国烟草总公司贵州省公司科技项目“烟叶生产可持续发展(STP)的研究与推广应用”和中国烟草总公司科技项目(112016AA0380)资助

Effects of mulching duration on PAEs accumulation in soil and tobacco leaves in Zunyi, China

ZHANG Xin¹, LI Zhi-tao², CHEN Qiu-shi¹, XU Li¹, SUN Guang-jun^3*, ZHANG Shi-xiang⁴, JIAO Jia-guo¹

¹College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210095,China;
²Guizhou Branch of Import and Export of China National Tobacco Corporation, Guiyang 550004, China;
³Guizhou Branch of China National Tobacco Corporation, Guiyang 550004, China;
⁴Zhengzhou Tobacco Research Institute, China National Tobacco Corporation, Zhengzhou 450001, China

Received:2018-01-15 Online:2018-10-20 Published:2018-10-20
Supported by:
This work was supported by the Science and Technology Project of Guizhou Provincial Corporation of China Tobacco Company ‘Sustainable Tobacco Production (STP) Research and Extension Application’ and the China National Tobacco Corporation Scientific Project (112016AA0380)

摘要/Abstract

摘要： 研究地膜使用年限对土壤和烟叶邻苯二甲酸酯(PAEs)积累的影响,以明确地膜持续使用条件下PAEs的土壤污染分布特征及在烟叶中的富集状况.在遵义市连阡村和沙湾村采集了不同覆膜年限的烟田土壤及相应的烟叶,采用气相色谱仪质谱联用技术(GC-MS),对土壤-烟叶中6种优先控制PAEs含量进行了测定.结果表明: 所有土壤和烟叶样品中6种邻苯二甲酸酯化合物累计(∑PAEs)分别为(2.66±0.60)和(3.58±0.64) mg·kg^-1,其中,邻苯二甲酸二(2-乙基己)酯(DEHP)含量最高,邻苯二甲酸正二丁酯(DBP)次之,二者之和分别占土壤和烟叶∑PAEs的92.7%和88.9%.DEHP、DBP、邻苯二甲酸二乙酯(DEP)和邻苯二甲酸丁基苄基酯(BBP)检出率均为100.0%,邻苯二甲酸二甲酯(DMP)的检出率略低,邻苯二甲酸正二辛酯(DnOP)检出率最低.随着地膜使用年限的增加,土壤和烟叶中PAEs含量显著增加,且在地膜使用的前1~ 8年增加更为明显,后期趋于平缓.土壤和烟叶中的PAEs含量与覆膜年限呈显著正相关关系,覆膜年限的增加会显著促进土壤和烟叶中PAEs的积累.烟叶与土壤之间∑PAEs的累积量相关性不显著.

Abstract: We examined the effects of the duration of plastic film mulching on the accumulation of phthalate (PAEs) in soils and tobacco to determine the soil pollution distribution characteristics of PAEs under continuous mulch use and the enrichment status in tobacco leaves. Samples of both soils and tobacco leaves were collected from Lianqian Village and Shawan Village of Zunyi. Gas chromatography-mass spectrometry (GC-MS) was used to determine the contents of six preferentially controlled PAEs in samples. The results showed that the six ΣPAEs in all soil and tobacco samples were (2.66 ±0.60) and (3.58±0.64) mg·kg^-1, of which the content of DEHP was the highest, followed by DBP, with the sum of those two accounting for 92.7% and 88.9% of ∑PAEs in the soil and tobacco, respectively. The detection rates of DEHP, DBP, DEP, and BBP were 100.0%. The detection rate of DMP was slightly lower, and that of DnOP was the lowest. The content of PAEs in soils and tobacco leaves significantly increased with the increases of mulching years. In the 1-8 years of film mulching, the increases of PAEs were more obvious and tended to be gentle in the later stage. The content of PAEs in soil and tobacco leaves had significant positive correlation with the years of film mulching, indicating that the increase of film mulching years could significantly promote the accumulation of PAEs. There was no significant correlation between the ∑PAEs accumulation between tobacco leaves and soil.

张欣, 李志涛, 陈秋实, 徐莉, 孙光军, 张仕祥, 焦加国. 地膜使用年限对遵义市烟田土壤和烟叶邻苯二甲酸酯累积的影响[J]. 应用生态学报, 2018, 29(10): 3311-3318.

ZHANG Xin, LI Zhi-tao, CHEN Qiu-shi, XU Li, SUN Guang-jun, ZHANG Shi-xiang, JIAO Jia-guo. Effects of mulching duration on PAEs accumulation in soil and tobacco leaves in Zunyi, China[J]. Chinese Journal of Applied Ecology, 2018, 29(10): 3311-3318.

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地膜使用年限对遵义市烟田土壤和烟叶邻苯二甲酸酯累积的影响

Effects of mulching duration on PAEs accumulation in soil and tobacco leaves in Zunyi, China

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