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镉污染稻草还田对土壤镉形态转化的影响

DOI: 10.11654/jaes.2013.09.012, PP. 1786-1792

Keywords: 稻草还田,Cd污染,清洁土壤,污染土壤,土壤Cd形态

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Abstract:

采用模拟培养实验,研究了镉污染稻草还田后清洁土壤(pH=4.72)和镉污染土壤(pH=7.90)中有效态镉含量及镉形态分布的变化特征。结果表明:添加稻草和淹水培养使土壤pH值向6.0~7.5的区间转变,并显著提高了土壤可溶性有机碳(DOC)含量。清洁土壤添加镉污染稻草后,土壤DTPA(Diethylenetriaminepentacetateacid)提取态Cd含量增加23.5%~225.0%,土壤酸提取态和可还原态镉的相对比例显著提高,而残渣态和可氧化态镉的比例则相对降低,其效果随稻草添加量的增加显著增强;镉污染土壤添加镉污染稻草后,DTPA提取态镉仅在培养初期(2d)略有提高,随培养时间的延长,DTPA提取态镉含量显著降低(28.6%~41.1%),且添加稻草促使酸提取态镉向可还原态镉和残渣态镉转化。研究表明,镉污染稻草进入清洁土壤会带来镉污染的扩散风险,而进入供试污染土壤后则能在一定程度上降低污染土壤中镉的有效性。

References

[1]  张红振, 骆永明, 章海波, 等. 土壤环境质量指导值与标准研究Ⅴ. 镉在土壤-作物系统中的富集规律与农产品质量安全[J]. 土壤学报, 2010, 47(4):628-638.ZHANG Hong-zhen, LUO Yong-ming, ZHANG Hai-bo, et al. Study on soil environmental quality guidelines and standards:V. Modeling of cadmium update in soil-crop systems for human food safety in China[J]. Acta Pedologica Sinica, 2010, 47(4):628-638.
[2]  赵步洪, 张洪熙, 奚岭林, 等. 杂交水稻不同器官镉浓度与累积量[J]. 中国水稻科学, 2006, 20(3):306-312.ZHAO Bu-hong, ZHANG Hong-xi, XI Ling-lin, et al. Concentrations and accumulation of Cadmiumin different organs of hybrid rice[J]. Chinese Journal of Rice Science, 2006, 20(3):306-312.
[3]  佘冬立, 王凯荣, 谢小立, 等. 稻草还田的土壤肥力与产量效应研究[J]. 中国生态农业学报, 2008, 16(1):100-104.SHE Dong-li, WANG Kai-rong, XIE Xiao-li, et al. Impact of incorporation of rice straw into the soil on soil fertility and yield[J]. Chinese Journal of Eco-Agriculture, 2008, 16(1):100-104.
[4]  贾 乐, 朱俊艳, 苏德纯. 秸秆还田对镉污染农田土壤中镉生物有效性的影响[J]. 农业环境科学学报, 2010, 29(10):1992-1998.JIA Le, ZHU Jun-yan, SU De-chun. Effects of crop straw return on soil cadmium availability in different cadmium contaminated soil[J]. Journal of Agro-Environment Science, 2010, 29(10):1992-1998.
[5]  Perronnet K, Schwartz C, Gérard E, et al. Availability of cadmium and zinc accumulated in the leaves of Thlaspi caerulescens incorporated into soil[J]. Plant and Soil, 2000, 227:257-263.
[6]  张亚丽, 沈其荣, 姜  洋. 有机肥料对镉污染土壤的改良效应[J]. 土壤学报, 2001, 38(2):212-218.ZHANG Ya-li, SHEN Qi-rong, JIANG Yang. Effects of organic manure on the amelioration of Cd-polluted soil[J]. Acta Pedologica Sinica, 2001, 38(2):212-218.
[7]  王 果, 陈建斌, 高 山, 等. 稻草和紫云英对土壤外源铜的形态及生态效应的影响[J]. 生态学报, 1999, 19(4):551-556.WANG Guo, CHEN Jian-bin, GAO Shan, et al. Influence of application of rice straw and Chinese mile vetch on the species and ecological effect of added copper in two soils[J]. Acta Ecologica Sinica, 1999, 19(4):551-556.
[8]  胡星明, 袁新松, 王丽平, 等. 磷肥和稻草对土壤重金属形态微生物活性和植物有效性的影响[J]. 环境科学研究, 2012, 25(1):77-82.HU Xing-ming, YUAN Xin-song, WANG Li-ping, et al. Effects of phosphate fertilizer and rices traw on soil heavy metal fraction, microbial activity and phytoavailability[J]. Research of Environmental Sciences, 2012, 25(1):77-82.
[9]  潘 逸, 周立祥. 施用有机物料对土壤中Cu、Cd形态及小麦吸收的影响:田间微区试验[J]. 南京农业大学学报, 2007, 30(2):142-146.PAN Yi, ZHOU Li-xiang. Influence of applying or ganic manures on the chemical form of Cu and Cd in the contaminated soil and on wheat uptake:Field micro-plot trials[J]. Journal of Nanjing Agricultural University, 2007, 30(2):142-146.
[10]  单玉华, 李昌贵, 陈 晨, 等. 施用秸秆对淹水土壤镉铜溶出的影响[J]. 生态学杂志, 2008, 27(8), 1362-1366.SHAN Yu-hua, LI Chang-gui, CHEN Chen, et al. Effects of straw incorporation on the solubility of cadmium and copper in flooded soil[J]. Chinese Journal of Ecology, 2008, 27(8): 1362-1366.
[11]  Mossop K F, Davidson C M. Comparision of original and modified BCR sequential extraction procedures for the fractionation of copper, iron, lead, manganese and zinc in soils and sediments[J]. Analytica Chimica Acta, 2003, 478:111-118.
[12]  黄昌勇. 土壤学[M]. 北京:中国农业出版社, 2000.HUANG Chang-yong. Soil science[M]. Beijing:China Agriculture Press, 2000.
[13]  葛云辉, 邹冬生, 苏以荣, 等. 外源碳酸钙和稻草对喀斯特地区土壤活性有机碳的影响[J]. 湖南农业大学学报:自然科学版, 2012, 38(3):314-318.GE Yun-hui, ZOU Dong-sheng, SU Yi-rong, et al. Influence of exogenous calcium carbonate and rice straw on active organic carbon of Karst soils[J]. Journal of Hunan Agricultural University:Natural Science, 2012, 38(3):314-318
[14]  李永涛, 刘科学, 张 池, 等. 广东大宝山地区重金属污染水田土壤的Cu、Pb、Zn、Cd全量与DTPA浸提态含量的相互关系研究[J]. 农业环境科学学报, 2004, 23(6):1110-1114.LI Yong-tao, LIU Ke-xue, ZHANG Chi, et al. Relationships between total and DTPA extractable contents of Cu, Pb, Zn, Cd in trace metal-contaminated paddy soils of Dabaoshan, Guangdong[J]. Journal of Agro-Environment Science, 2004, 23(6):1110-1114.
[15]  汤嘉南, 彭 娜, 涂常青, 等. BCR法研究铜矿区周边农田重金属形态分布[J]. 嘉应学院学报:自然科学, 2011, 29(8):51-54.TANG Jia-nan, PENG Na, TU Chang-qing, et al. Assessment of heavy metals pollution in Yu-Water Copper by modified BCR extraction procedure[J]. Journal of Jiaying University: Natural Science, 2011, 29(8):51-54.
[16]  张亚丽, 沈其荣, 谢学俭, 等. 猪粪和稻草对镉污染黄泥土生物活性的影响[J]. 应用生态学报, 2003, 14(11):1997-2000.ZHANG Ya-li, SHEN Qi-rong, XIE Xue-jian, et al. Effect of pig manure and rice straw on biological activity of Cd-contaminated soil[J]. Chinese Journal of Applied Ecology, 2003, 14(11):1997-2000.
[17]  王意锟, 张焕朝, 郝秀珍, 等. 有机物料在重金属污染农田土壤修复中的应用研究[J]. 土壤通报, 2010, 41(5):1275-1280.WANG Yi-kun, ZHANG Huan-chao, HAO Xiu-zhen, et al. A review on application of organic materials to the remediation of heavy metal contaminated soils[J]. Chinese Journal of Soil Science, 2010, 41(5):1275-1280.
[18]  张大庚, 依艳丽, 李亮亮, 等. 水分和有机物料对土壤锌-镉形态及化学性质的影响[J]. 农业环境科学学报, 2006, 25(4):939-944.ZHANG Da-geng, YI Yan-li, LI Liang-liang, et al. Effects of water and organic materials on cadmium and zinc forms and chemical properties in compound pollution soils[J]. Journal of Agro-Environment Science, 2006, 25(4):939-944.
[19]  韩春梅, 王林山, 巩宗强, 等. 土壤中重金属形态分析及其环境学意义[J]. 生态学杂志, 2005, 24(12):1499-1502.HAN Chun-mei, WANG Lin-shan, GONG Zong-qiang, et al. Chemical forms of soil heavy metals and their environmental significance[J]. Chinese Journal of Ecology, 2005, 24(12):1499-1502.

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