湖北宣恩县土壤全量微量元素与有机碳和pH的关系分析——以晓关侗族乡为例
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摘要
【目的】为了揭示湖北省宣恩县晓关侗族乡土壤4种主要微量元素铁、锰、锌、铜与土壤有机碳和pH的关系,研究该地区土壤有机碳和pH对土壤这4种微量元素的影响。【方法】以湖北省恩施州宣恩县晓关侗族乡土壤为研究对象,每平方公里网格状对土壤进行采样,共采样2127份土样,实验分析了每份土壤的4种全量微量元素铁、锰、锌、铜,以及有机碳量和pH,数据分析四种土壤微量元素分别和土壤有机碳、pH的关系。【结果】土壤全量微量元素Fe、Mn、Cu的含量和有机碳显著(P<0.01)相关,且线性回归均呈负相关。土壤全量微量元素Fe、Mn、Zn、Cu的含量均和pH显著(P<0.01)相关,且线性回归均呈正相关。【结论】恩施宣恩县晓关侗族乡土壤有机碳的积累导致土壤全量铁、锰、铜含量有所降低,但对锌元素无显著影响;土壤酸碱度在分析结果范围内越大,导致土壤全量微量元素铁、锰、锌、铜增加。
【Objective】In order to reveal the relationship between total amount of four main soil trace elements,soil organic carbon and pH,in Xiao-guan Dong minority township Xuanen county Enshi city,the effect of soil organic carbon and pH on four trace elements in soil was studied.【Method】Using the soil in this area as the research object and taking soil samples in per square kilometer grid,2127 samples were selected to analyze four kinds of soil trace elements in total quantity,includes iron,manganese,zinc,copper,and organic carbon also pH,the relationship between soil organic carbon and pH in four soil trace elements was analyzed.【Result】The correlation between soil trace elements Fe,Mn,Cu and organic carbon significantly( P < 0. 01) decreased with the increase of organic carbon. The correlation between trace elements Fe,Mn,Zn,Cu and the pH value of the soil were significant( P < 0. 01),and increased with the increase of soil pH.【Conclusion】The accumulation of organic carbon in the soil organic carbon in the county of enshi xuanen county has led to a decrease in the amount of iron,manganese and copper in the soil,but has no significant effect on zinc elements. The increase of soil acidity in the results of the analysis results in an increase in the amount of trace elements iron,manganese,zinc and copper in the soil.
【Objective】In order to reveal the relationship between total amount of four main soil trace elements,soil organic carbon and pH,in Xiao-guan Dong minority township Xuanen county Enshi city,the effect of soil organic carbon and pH on four trace elements in soil was studied.【Method】Using the soil in this area as the research object and taking soil samples in per square kilometer grid,2127 samples were selected to analyze four kinds of soil trace elements in total quantity,includes iron,manganese,zinc,copper,and organic carbon also pH,the relationship between soil organic carbon and pH in four soil trace elements was analyzed.【Result】The correlation between soil trace elements Fe,Mn,Cu and organic carbon significantly( P < 0. 01) decreased with the increase of organic carbon. The correlation between trace elements Fe,Mn,Zn,Cu and the pH value of the soil were significant( P < 0. 01),and increased with the increase of soil pH.【Conclusion】The accumulation of organic carbon in the soil organic carbon in the county of enshi xuanen county has led to a decrease in the amount of iron,manganese and copper in the soil,but has no significant effect on zinc elements. The increase of soil acidity in the results of the analysis results in an increase in the amount of trace elements iron,manganese,zinc and copper in the soil.
引文
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[21]袁知洋,邓邦良,郭晓敏,等.武功山山地草甸土壤全量氮磷钾分布格局及对不同退化程度的响应[J].西北林学院学报,2015,30(3):14-20.
[22]袁知洋,邓邦良,李志,等.武功山草甸土壤碱解氮含量分布影响因素研究[J].江苏农业科学,2015,43(5):318-320.
[23]袁知洋,邓邦良,陈煦,等.武功山草甸区植被小群落下土壤活性有机碳和总有机碳的分布及关系[J].西南农业学报,2015,28(5):2166-2171.
[24]袁知洋,邓邦良,张学玲,等.武功山草甸植被小群落土壤活性有机碳与土壤养分的典型相关分析[J].中南林业科技大学学报,2016,36(2):84-90.
[25]陆继龙,周永昶,周云轩.吉林省黑土某些微量元素环境地球化学特征[J].土壤通报,2002(5):365-368.
[2]吴殿龙.辽宁地区古红土微量和稀土元素地球化学特征研究[D].沈阳农业大学,2009.
[3]Zhang X P,Deng W,Yang X M.The background concentrations of13 soil trace elements and their relationships to parent materials and vegetation in Xizang(Tibet),China[J].Journal of Asian Earth Sciences,2002,21(2):167-174.
[4]Kabata-Pendias H A,Mukherjee A B.Trace Elements from Soil to Human[J].Springer Berlin,2007:1-550.
[5]安玉亭.喀斯特山地不同人工林微量元素特征及影响因素研究[D].南京林业大学,2013.
[6]漆良华,张旭东,孙启祥,等.土壤-植被系统及其对土壤健康的影响[J].世界林业研究,2007(3).
[7]董国政,刘德辉,姜月华,等.湖州市土壤微量元素含量与有效性评价[J].土壤通报,2004(4):474-478.
[8]邓邦良,袁知洋,李真真,等.武功山草甸土壤有效态微量元素与有机质和p H的关系[J].西南农业学报,2016,29(3):647-650.
[9]郭明全,胡建新,张宗锦.攀枝花烟区土壤p H分布特点及其与土壤有效养分的关系[J].西南农业学报,2012,25(4):1338-1342.
[10]杨俐苹,金继运,梁鸣早,等.ASI法测定土壤有效P、K、Zn、Cu、Mn与我国常规化学方法的相关性研究[J].土壤通报,2000(6):277-279.
[11]赵洁,王莉,王永刚,等.ASI法速测土壤指标与植物N吸收的相关性研究[J].土壤通报,2012(4):903-909.
[12]李德军,莫江明,方运霆,等.鼎湖山自然保护区不同演替阶段森林土壤中有效微量元素状况研究[J].广西植物,2004(6).
[13]陆继龙,周永昶,周云轩.吉林省黑土某些微量元素环境地球化学特征[J].土壤通报,2002(5).
[14]漆良华,张旭东,彭镇华,等.不同植被恢复模式下中亚热带黄壤坡地土壤微量元素效应[J].应用生态学报,2008(4).
[15]章程,谢运球,吕勇,等.广西弄拉峰丛山区土壤有机碳与微量营养元素全量[J].中国岩溶,2006(1).
[16]朱静,黄标,孙维侠,等.农田土壤全量微量元素的时空变化及其影响因素研究[J].南京大学学报:自然科学版,2007,43(1):1-12.
[17]周萍,宋国菡,潘根兴,等.三种南方典型水稻土长期试验下有机碳积累机制研究Ⅱ.团聚体内有机碳的化学结合机制[J].土壤学报,2009(2):263-273.
[18]郭家文,张跃彬,刘少春.滇西南6县蔗区的土壤有效Fe、Mn、Cu、Zn的分布特征研究[J].土壤通报,2009(1):179-183.
[19]柏方敏,田大伦,方晰,等.洞庭湖西岸区防护林土壤与植物微量元素含量特征[J].中南林业科技大学学报,2010(9).
[20]董国涛,张爱娟,罗格平,等.三工河流域绿洲土壤微量元素有效含量特征分析[J].土壤,2009(5).
[21]袁知洋,邓邦良,郭晓敏,等.武功山山地草甸土壤全量氮磷钾分布格局及对不同退化程度的响应[J].西北林学院学报,2015,30(3):14-20.
[22]袁知洋,邓邦良,李志,等.武功山草甸土壤碱解氮含量分布影响因素研究[J].江苏农业科学,2015,43(5):318-320.
[23]袁知洋,邓邦良,陈煦,等.武功山草甸区植被小群落下土壤活性有机碳和总有机碳的分布及关系[J].西南农业学报,2015,28(5):2166-2171.
[24]袁知洋,邓邦良,张学玲,等.武功山草甸植被小群落土壤活性有机碳与土壤养分的典型相关分析[J].中南林业科技大学学报,2016,36(2):84-90.
[25]陆继龙,周永昶,周云轩.吉林省黑土某些微量元素环境地球化学特征[J].土壤通报,2002(5):365-368.