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武功山日本柳杉林与草甸土壤碳氮特征和pH比较

方海富 江亮波 张毅 NasirShad 陈煦 张强 马丽丽 贾婷 应钦 张令

方海富, 江亮波, 张毅, NasirShad, 陈煦, 张强, 马丽丽, 贾婷, 应钦, 张令. 武功山日本柳杉林与草甸土壤碳氮特征和pH比较[J]. 福建农业学报, 2019, 34(6): 705-710. doi: 10.19303/j.issn.1008-0384.2019.06.012
引用本文: 方海富, 江亮波, 张毅, NasirShad, 陈煦, 张强, 马丽丽, 贾婷, 应钦, 张令. 武功山日本柳杉林与草甸土壤碳氮特征和pH比较[J]. 福建农业学报, 2019, 34(6): 705-710. doi: 10.19303/j.issn.1008-0384.2019.06.012
FANG Hai-fu, JIANG Liang-bo, ZHANG Yi, Nasir Shad, CHEN Xun, ZHANG Qiang, MA Li-li, JIA Ting, YING Qin, ZHANG Ling. Carbon, Nitrogen and pH in Meadow Soil at Cryptomeria japonica Forests in Mt. Wugong[J]. Fujian Journal of Agricultural Sciences, 2019, 34(6): 705-710. doi: 10.19303/j.issn.1008-0384.2019.06.012
Citation: FANG Hai-fu, JIANG Liang-bo, ZHANG Yi, Nasir Shad, CHEN Xun, ZHANG Qiang, MA Li-li, JIA Ting, YING Qin, ZHANG Ling. Carbon, Nitrogen and pH in Meadow Soil at Cryptomeria japonica Forests in Mt. Wugong[J]. Fujian Journal of Agricultural Sciences, 2019, 34(6): 705-710. doi: 10.19303/j.issn.1008-0384.2019.06.012

武功山日本柳杉林与草甸土壤碳氮特征和pH比较

doi: 10.19303/j.issn.1008-0384.2019.06.012
基金项目: 

国家自然科学基金项目 31360177

国家自然科学基金项目 31560150

国家科技支撑计划项目 2012BAC11B006

详细信息
    作者简介:

    方海富(1994-), 男, 硕士研究生, 主要从事土壤碳氮循环与全球变化研究(E-mail:fanghaifu11@163.com)

    通讯作者:

    张令(1984-), 男, 博士, 副教授, 主要从事与土壤碳氮循环和全球变化相关的教学和科研工作(E-mail:lingzhang09@126.com)

  • 中图分类号: S152

Carbon, Nitrogen and pH in Meadow Soil at Cryptomeria japonica Forests in Mt. Wugong

  • 摘要:   目的  通过研究日本柳杉Cryptomeria japonica(L.f.)D.Don造林34年后与其山地草甸土壤碳氮特征和pH的比较,为武功山山地草甸脆弱生态系统恢复建设提供理论依据。  方法  以江西武功山山地草甸为研究对象,选择具有代表性样地,采用五点取样法,采集小区内0~20 cm土层的土样,收集草甸地上凋落物,对草甸与日本柳杉林土壤凋落物碳氮指标与pH进行测定。  结果  造林会显著增加土壤全氮、铵态氮、硝态氮、有效态氮、可溶性有机氮、可溶性有机碳、微生物量碳含量、凋落物有机态碳、凋落物全氮(P<0.05),但是却显著降低土壤pH(P<0.05);土壤pH与土壤有机质碳、全氮、铵态氮、硝态氮、有效态氮、可溶性有机氮、可溶性有机碳、微生物量碳含量、凋落物有机态碳、凋落物全氮呈显著负相关(P<0.05)。  结论  日本柳杉造林对土壤微生物活性、土壤质量以及N矿化能力具有积极效应;造林可降低土壤pH值,土壤pH与有机物质分解存在紧密联系。
  • 表  1  区组地理分布信息

    Table  1.   Locations of sampling plots

    区组
    Blocks
    经度
    Longitude
    纬度
    Latitude
    海拔
    Altitude/m
    114°08′35.90 E 27° 26′ 09.36N 1782
    114°08′53.35 E 27° 26′ 24.45 N 1864
    114°09′00.70 E 27° 26′ 33.70N 1811
    下载: 导出CSV

    表  2  日本柳杉林与草甸土壤特征方差分析比较

    Table  2.   Comparative analysis of variances between C.japonica forest and meadow

    指标
    Parameters
    区组间Blocks 处理间Treatments
    自由度df FF value PP value 自由度df FF value PP value
    土壤有机质碳SC/(g·kg-1) 2 0.656 0.6038 1 17.932 0.0515
    土壤全氮SN/(g·kg-1) 2 1.306 0.4337 1 66.427 0.0147*
    土壤碳氮比SC:SN 2 0.279 0.7816 1 0.724 0.4846
    土壤硝态氮NO3--N/(mg·kg-1) 2 1.62 0.3816 1 22.492 0.0417*
    土壤铵态氮NH4+-N/(mg·kg-1) 2 1251.928 0.0008** 1 3613.321 0.0003**
    土壤有效态氮AN/(mg·kg-1) 2 4.219 0.1916 1 40.506 0.0238*
    土壤可溶性碳DOC/(mg·kg-1) 2 0.839 0.5439 1 26.198 0.0361*
    土壤可溶性氮DON/(mg·kg-1) 2 0.842 0.5428 1 70.805 0.0138*
    土壤可溶性碳氮比DOC:DON 2 1.745 0.3643 1 17.479 0.0527
    土壤微生物量碳MBC/(mg·kg-1) 2 0.68 0.5954 1 101.886 0.0097**
    土壤微生物量氮MBN/(mg·kg-1) 2 1.316 0.4317 1 1.117 0.4014
    土壤微生物量碳氮比MBC:MBN 2 1.216 0.4512 1 2.456 0.2576
    土壤酸碱度pH 2 1.254 0.4437 1 46.176 0.021*
    凋落物有机质碳LC/(g·kg-1) 2 3.302 0.2324 1 39.389 0.0245*
    凋落物全氮LN/(g·kg-1) 2 0.123 0.8906 1 28.498 0.0333*
    凋落物碳氮比LC:LN 2 0.034 0.9672 1 16.222 0.0565
    注:*0.01<P<0.05,**P<0.01。
    Note:*0.01<P<0.05, **P<0.01.
    下载: 导出CSV

    表  3  日本柳杉造林和草甸土壤碳氮和pH值比较

    Table  3.   Comparison on C, N and pH of meadow soil at C. japonica forests

    样区
    Sites
    SC SN NO3--N NH4+-N DOC DON MBC MBN LC LN pH
    日本柳杉林C. japonica 63.5713±0.390a 4.9506±0.026a 22.0067±3.630a 8.4199±1.408a 411.4719±13.251a 13.9209±0.027a 731.6673±23.817a 171.8419±32.081a 488.8068±6.286a 16.2453±0.735a 4.1144±0.192b
    草甸Meadow 49.8038±2.933a 4.0362±0.118b 6.8592±0.437b 3.6222±1.418b 339.7383±0.5975b 8.3115±0.639b 468.1257±2.292b 140.2164±2.8074a 453.3768±5.389b 10.1175±0.447b 4.8336±0.032a
    注:同列数据后不同小写字母表示不同样地土壤之间差异显著(P<0.05)。
    Note:Different lowercase letters in the same column are significantiy different between the samples soil (P<0.05).
    下载: 导出CSV

    表  4  日本柳杉林和草甸各指标的相关系数

    Table  4.   Correlation coefficients on various indices between C. japonica forest and meadow

    指标
    Parameters
    SN NO3--N NH4+-N AN DOC DON MBC MBN pH LC LN
    SC 0.966** 0.822* 0.866* 0.860* 0.846* 0.826* 0.908* 0.408 -0.908* 0.752 0.945**
    SN 0.900* 0.862* 0.917** 0.911* 0.926** 0.944** 0.406 -0.932** 0.826* 0.947**
    NO3--N 0.850* 0.989** 0.937** 0.871* 0.858* 0.288 -0.987** 0.918** 0.803
    NH4+-N 0.918** 0.869* 0.686 0.784 -0.023 -0.834* 0.613 0.694
    AN 0.847** 0.846** 0.864* 0.210 -0.975** 0.862* 0.798
    DOC 0.916* 0.953** 0.123 -0.968** -0.846* 0.820*
    DON 0.957** 0.420 -0.927** 0.886* 0.909
    MBC 0.310 -0.927** 0.844* 0.931**
    MBN -0.319 0.539 0.607
    pH -0.938** -0.867*
    LC 0.851*
    注:显著水平:*0.01<P<0.05; **P<0.01。
    Note:significance level:*0.01<P<0.05; ** P<0.01.
    下载: 导出CSV
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  • 收稿日期:  2019-01-25
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  • 刊出日期:  2019-06-28

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