宁夏青铜峡农耕土壤硒含量分布特征及其影响因素分析
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摘要
通过对青铜峡市农耕表层土壤和水稻全硒含量的测定,分析了青铜峡市农耕土壤硒含量分布特征及水稻子实硒含量影响因素。结果表明,表层土壤硒元素含量在0.057～0.95 mg·kg~(-1)之间,平均值为0.226 mg·kg-1,83.55%的农耕土壤达到足硒水平(0.175～0.40 mg·kg~(-1)),其中连湖农场土壤硒元素含量均值最高,树新林场最低。不同土壤类型土壤硒元素含量表现为灌淤土>潮土>粗骨土>盐土>灰钙土>新积土。相关分析结果表明,影响研究区土壤硒元素含量的因素主要是土壤p H、有机质、铁氧化物、锰和CEC。此外,水稻子实硒含量不只受土壤全硒含量的影响,而且与土壤p H、有机质等因素密切相关。
The study determinated cultivated surface soil and rice total selenium and analyzed the main influencing factors of selenium distribution characteristics in soil and rice of cultivated soil in Qingtongxia. The results showed that the range of total selenium content in surface soil of farm was 0.057～0.950 mg·kg~(-1), the average value of calculation was 0.226 mg·kg~(-1), 83.55% of the cultivated soil reached the level of sufficient selenium(0.175～0.40 mg·kg~(-1)), and the soil in Lianhu farmland was the highest average, and Shuxin tree farm was the lowest. The contents of selenium in different soil types were as follows:irrigation silting soil>moisture soil>skeleton soil>saline soil>sierozem>fluvent soil. The correlation analysis showed that soil p H, organic matter, ferric oxide, manganese and CEC were the main factors affecting the soil selenium content in the research area. In addition, the selenium content in rice grain not only correlated with soil total selenium content, but also closely related to soil p H, organic matter and other factors.
The study determinated cultivated surface soil and rice total selenium and analyzed the main influencing factors of selenium distribution characteristics in soil and rice of cultivated soil in Qingtongxia. The results showed that the range of total selenium content in surface soil of farm was 0.057～0.950 mg·kg~(-1), the average value of calculation was 0.226 mg·kg~(-1), 83.55% of the cultivated soil reached the level of sufficient selenium(0.175～0.40 mg·kg~(-1)), and the soil in Lianhu farmland was the highest average, and Shuxin tree farm was the lowest. The contents of selenium in different soil types were as follows:irrigation silting soil>moisture soil>skeleton soil>saline soil>sierozem>fluvent soil. The correlation analysis showed that soil p H, organic matter, ferric oxide, manganese and CEC were the main factors affecting the soil selenium content in the research area. In addition, the selenium content in rice grain not only correlated with soil total selenium content, but also closely related to soil p H, organic matter and other factors.
引文
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[9]高宇,刘志坚.宁夏长山头富硒区土壤地球化学特征研究[J].地球与环境,2017,45(6):628-633.GAO Yu,LIU Zhi-jian.Geochemical characteristics of soil selenium in selenium-rich area in Changshantou,Ningxia,China[J].Earth and Environment,2017,45(6):628-633.
[10]王琪,刘禹含,杨景娜,等.新疆伊犁土壤硒资源分布及与土壤性质的关系分析[J].农业资源与环境学报,2014,31(6):555-559.WANG Qi,LIU Yu-han,YANG Jing-na,et al.Analysis on the distribution of selenium resources and its relationships with soil properties of Ili District,Xinjiang Uygur Autonomous Region,China[J].Journal of Agricultural Resources and Environment,2014,31(6):555-559.
[11]陈代中,任尚学,李继云.陕西地区土壤中的硒[J].土壤学报,1984,21(3):65-68.CHEN Dai-zhong,REN Shang-xue,LI Ji-yun.Selenium in soils of Shaanxi Province[J].Acta Pedologica Sinica,1984,21(3):65-68.
[12]中国环境监测总站.中国土壤元素背景值[M].北京:中国环境科学出版,1990:370.China National Environmental Monitoring Centre.The background value of soil elements in China[M].Beijing:China Environment Science Press,1990:370.
[13]李新虎,王志强.银川平原硒的地球化学调查及评价[J].宁夏农林科技,2006(5):15-17.LI Xing-hu,WANG Zhi-qiang.Geochemical survey and evaluation of selenium in Yinchuan Plain[J].Ningxia Journal of Agriculture and Forestry Science and Technology,2006(5):15-17.
[14]徐文,唐文浩,邝春兰,等.海南省土壤中硒含量及影响因素分析[J].安徽农业科学,2010,38(6):3026-3027.XU Wen,TANG Wen-hao,QI Chun-lan,et al.Analysis on content of Se in soil of Hainan Province and its influencing factors[J].Journal of Anhui Agricultural Sciences,2010,38(6):3026-3027.
[15]何亚琳.贵州省土壤含硒量及其分布[J].土壤学报,1996,33(4):391-397.HE Ya-lin.Se contents and distribution in soils of Guizhou Province[J].Acta Pedologica Sinica,1996,33(4):391-397.
[16]谭见安.中华人民共和国地方病与环境图集[M].北京:科学出版社,1989:39.TAN Jian-an.The atlas of endemic diseases and their environments in the People′s Republic of China[M].Beijing:Science Press,1989:39.
[17]王金达,于君宝,张学林,等.黄土高原土壤中硒等元素的地球化学特征[J].地理科学,2000,20(5):469-473.WANG Jin-da,YU Jun-bao,ZHANG Xue-lin,et al.Geochemical features of elements of selenium etc.in soil of Loess Plateau[J].Scientia Geographica Sinica,2000,20(5):469-473.
[18]Masscheleyn P H,Delaune R D,Patrick Jr W H.Transformations of selenium as affected by sediment oxidation-reduction potential and p H[J].Environmental Science&Technology,1990,24(1):91-96.
[19]Johnsson L.Selenium uptake by plants as a function of soil type,organic matter content and p H[J].Plant and Soil,1991,133:57-64.
[20]Bruggeman C,Maes A,Vancluysen J.The interaction of dissolved Boom Clay and Gorleben humic substances with selenium oxyanions(selenite and selenate)[J].Appl Geochem,2007,22(7),1371-1379.
[21]李丽娟.土壤中硒元素丰度及富集因素分析[J].海洋环境科学,1994,13(3):38-42.LI Li-juan.Analysis of selenium abundance and enrichment factors in soil[J].Marine Environmental Science,1994,13(3):38-42.
[22]Gustafsson J P,Johnsson L.The association between selenium and human substances in forested ecosystems:Laboratory evidence[J].Appllied Organometallic Chemistry,1994,8(2):141-147.
[23]黄昌勇.土壤学[M].北京:中国农业出版社,2000:165-166.HUANG Chang-yong.Soil science[M].Beijing:China Agriculture Press,2000:165-166.
[24]王吉智.宁夏土壤[M].银川:宁夏人民出版社,1990:186.WANG Ji-zhi.Soil of Ningxia[M].Yinchuan:Ningxia People′s Publishing House,1990:186.
[25]赵美芝.土壤和粘粒矿物对亚硒酸盐的吸附和解吸[J].土壤学报,1991,28(2):139-145.ZHAO Mei-zhi.Adsorption and desorption of selenite by some soils and clay minerals[J].Acta Pedologica Sinica,1991,28(2):139-145.
[26]刘铮.中国土壤微量元素[M].南京:江苏科学技术出版社,1996:396.LIU Zheng.Microelement in soils of China[M].Nanjing:Jiangsu Science and Technology Press,1996:396
[27]沈春燕,周俊.土壤硒的赋存状态与迁移转化[J].安徽地质,2011,21(3):186-191.SHEN Chun-yan,ZHOU Jun.Occurrence,migration and transformation of selenium in soil[J].Geology of Anhui,2011,21(3):186-191.
[2]赵中秋,郑海雷,张春光,等.土壤硒及其与植物硒营养的关系[J].生态学杂志,2003,22(1):22-25.ZHAO Zhong-qiu,ZHENG Hai-lei,ZHANG Chun-guang,et al.Advances in the studies on selenium in soil and selenium biological effect[J].Chinese Journal of Ecology,2003,22(1):22-25.
[3]尹红星,张殊佳,郑学仿,等.硒的抗肿瘤作用研究综述[J].大连大学学报,2008,29(6):18-25.YIN Hong-xing,ZHANG Shu-jia,ZHENG Xue-fang,et al.Review in the antitumor research of selenium[J].Journal of Dalian University,2008,29(6):18-25.
[4]王子健.中国低硒带生态环境中硒的环境行为研究进展[J].环境化学,1993,12(3):237-243.WANG Zi-jian.Some biogeochemical aspects of selenium in Chinese low-selenium belt[J].Environmental Chemistry,1993,12(3):237-243.
[5]赵妍,宗良纲,曹丹,等.江苏省典型茶园土壤硒分布特性及其有效性研究[J].农业环境科学学报,2011,30(12):2467-2474.ZHAO Yan,ZONG Liang-gang,CAO Dan,et al.Distribution and availability of selenium in typical tea garden of Jiangsu Province[J].Journal of Agro-Environment Science,2011,30(12):2467-2474.
[6]杨良策,李明龙,杨廷安,等.湖北省恩施市表层土壤硒含量分布特征及其影响因素研究[J].资源环境与工程,2015,29(6):825-848.YANG Liang-ce,LI Ming-long,YANG Ting-an,et al.Study on distribution characteristics of selenium content of surface soil and its influencing factors in Enshi City,Hubei Province[J].Resources Environment and Engineering,2015,29(6):825-848.
[7]李杰,杨志强,刘枝刚,等.南宁市土壤硒分布特征及其影响因素研究[J].土壤学报,2012,29(6):1012-1020.LI Jie,YANG Zhi-qiang,LIU Zhi-gang,et al.Distribution of selenium in soils of Nanning City and its influencing factors[J].Acta Pedologica Sinica,2012,29(6):1012-1020.
[8]李伟,李飞,毕德,等.兰州碱性土壤与农产品中硒分布及形态研究[J].土壤,2012,44(4):632-638.LI WEI,LI Fei,BI De,et al.Spatial distribution and speciation of selenium in alkaline soils and agricultural products of Lanzhou[J].Soils,2012,44(4):632-638.
[9]高宇,刘志坚.宁夏长山头富硒区土壤地球化学特征研究[J].地球与环境,2017,45(6):628-633.GAO Yu,LIU Zhi-jian.Geochemical characteristics of soil selenium in selenium-rich area in Changshantou,Ningxia,China[J].Earth and Environment,2017,45(6):628-633.
[10]王琪,刘禹含,杨景娜,等.新疆伊犁土壤硒资源分布及与土壤性质的关系分析[J].农业资源与环境学报,2014,31(6):555-559.WANG Qi,LIU Yu-han,YANG Jing-na,et al.Analysis on the distribution of selenium resources and its relationships with soil properties of Ili District,Xinjiang Uygur Autonomous Region,China[J].Journal of Agricultural Resources and Environment,2014,31(6):555-559.
[11]陈代中,任尚学,李继云.陕西地区土壤中的硒[J].土壤学报,1984,21(3):65-68.CHEN Dai-zhong,REN Shang-xue,LI Ji-yun.Selenium in soils of Shaanxi Province[J].Acta Pedologica Sinica,1984,21(3):65-68.
[12]中国环境监测总站.中国土壤元素背景值[M].北京:中国环境科学出版,1990:370.China National Environmental Monitoring Centre.The background value of soil elements in China[M].Beijing:China Environment Science Press,1990:370.
[13]李新虎,王志强.银川平原硒的地球化学调查及评价[J].宁夏农林科技,2006(5):15-17.LI Xing-hu,WANG Zhi-qiang.Geochemical survey and evaluation of selenium in Yinchuan Plain[J].Ningxia Journal of Agriculture and Forestry Science and Technology,2006(5):15-17.
[14]徐文,唐文浩,邝春兰,等.海南省土壤中硒含量及影响因素分析[J].安徽农业科学,2010,38(6):3026-3027.XU Wen,TANG Wen-hao,QI Chun-lan,et al.Analysis on content of Se in soil of Hainan Province and its influencing factors[J].Journal of Anhui Agricultural Sciences,2010,38(6):3026-3027.
[15]何亚琳.贵州省土壤含硒量及其分布[J].土壤学报,1996,33(4):391-397.HE Ya-lin.Se contents and distribution in soils of Guizhou Province[J].Acta Pedologica Sinica,1996,33(4):391-397.
[16]谭见安.中华人民共和国地方病与环境图集[M].北京:科学出版社,1989:39.TAN Jian-an.The atlas of endemic diseases and their environments in the People′s Republic of China[M].Beijing:Science Press,1989:39.
[17]王金达,于君宝,张学林,等.黄土高原土壤中硒等元素的地球化学特征[J].地理科学,2000,20(5):469-473.WANG Jin-da,YU Jun-bao,ZHANG Xue-lin,et al.Geochemical features of elements of selenium etc.in soil of Loess Plateau[J].Scientia Geographica Sinica,2000,20(5):469-473.
[18]Masscheleyn P H,Delaune R D,Patrick Jr W H.Transformations of selenium as affected by sediment oxidation-reduction potential and p H[J].Environmental Science&Technology,1990,24(1):91-96.
[19]Johnsson L.Selenium uptake by plants as a function of soil type,organic matter content and p H[J].Plant and Soil,1991,133:57-64.
[20]Bruggeman C,Maes A,Vancluysen J.The interaction of dissolved Boom Clay and Gorleben humic substances with selenium oxyanions(selenite and selenate)[J].Appl Geochem,2007,22(7),1371-1379.
[21]李丽娟.土壤中硒元素丰度及富集因素分析[J].海洋环境科学,1994,13(3):38-42.LI Li-juan.Analysis of selenium abundance and enrichment factors in soil[J].Marine Environmental Science,1994,13(3):38-42.
[22]Gustafsson J P,Johnsson L.The association between selenium and human substances in forested ecosystems:Laboratory evidence[J].Appllied Organometallic Chemistry,1994,8(2):141-147.
[23]黄昌勇.土壤学[M].北京:中国农业出版社,2000:165-166.HUANG Chang-yong.Soil science[M].Beijing:China Agriculture Press,2000:165-166.
[24]王吉智.宁夏土壤[M].银川:宁夏人民出版社,1990:186.WANG Ji-zhi.Soil of Ningxia[M].Yinchuan:Ningxia People′s Publishing House,1990:186.
[25]赵美芝.土壤和粘粒矿物对亚硒酸盐的吸附和解吸[J].土壤学报,1991,28(2):139-145.ZHAO Mei-zhi.Adsorption and desorption of selenite by some soils and clay minerals[J].Acta Pedologica Sinica,1991,28(2):139-145.
[26]刘铮.中国土壤微量元素[M].南京:江苏科学技术出版社,1996:396.LIU Zheng.Microelement in soils of China[M].Nanjing:Jiangsu Science and Technology Press,1996:396
[27]沈春燕,周俊.土壤硒的赋存状态与迁移转化[J].安徽地质,2011,21(3):186-191.SHEN Chun-yan,ZHOU Jun.Occurrence,migration and transformation of selenium in soil[J].Geology of Anhui,2011,21(3):186-191.
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