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  • Successive mineral nitrogen or phosphorus fertilization alone significantly altered bacterial community rather than bacterial biomass in plantation soil

    Author(s)
    Niu, Yun
    Zhang, Manyun
    Bai, Shahla Hosseini
    Xu, Zhihong
    Liu, Yuanqiu
    Chen, Fusheng
    Guo, Xiaomin
    Luo, Handong
    Wang, Shuli
    Xie, Junyi
    Yuan, Xi
    Griffith University Author(s)
    Xu, Zhihong
    Hosseini-Bai, Shahla
    Year published
    2020
    Metadata
    Show full item record
    Abstract
    Bacteria play determining roles in forest soil environment and contribute to essential functions in the cycling of nitrogen (N) and phosphorus (P). Understanding the effects of different fertilizer applications, especially successive fertilization, on soil properties and bacterial community could reveal the impacts of fertilization on forest soil ecology and shed light on the nutrient cycling in forest system. This study aimed to evaluate the impacts of successive mineral N (NH4NO3) and P (NaH2PO4) fertilization at different rates, alone or together, on soil bacterial biomass and communities at 0–5, 5–10, and 10–20 cm. ...
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    Bacteria play determining roles in forest soil environment and contribute to essential functions in the cycling of nitrogen (N) and phosphorus (P). Understanding the effects of different fertilizer applications, especially successive fertilization, on soil properties and bacterial community could reveal the impacts of fertilization on forest soil ecology and shed light on the nutrient cycling in forest system. This study aimed to evaluate the impacts of successive mineral N (NH4NO3) and P (NaH2PO4) fertilization at different rates, alone or together, on soil bacterial biomass and communities at 0–5, 5–10, and 10–20 cm. Compared with the control, N fertilization decreased soil pH, but P alone or with N fertilization had negligibly negative impacts on soil pH. Different mineral fertilizer applications, alone or together, showed no significant effects on soil organic matter contents, relative to the control treatment. Bacterial biomass remained stable to different fertilizations but decreased with sampling depths. Sole N or P fertilization, rather than combined fertilizations, significantly changed soil bacterial community structures. Our results demonstrated that mineral N or P fertilization alone significantly affected bacterial community structures rather than biomass in the plantation soils. Key points: • Impacts of successive mineral fertilization on soil bacteria were determined. • Mineral fertilization showed negligible impacts on bacterial biomass. • N additions stimulated Chloroflexi relative abundances. • Mineral N or P fertilization significantly altered bacterial community structure.
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    Journal Title
    Applied Microbiology and Biotechnology
    Volume
    104
    Issue
    16
    DOI
    https://doi.org/10.1007/s00253-020-10761-2
    Note
    This publication has been entered in Griffith Research Online as an advanced online version.
    Subject
    Industrial biotechnology
    Science & Technology
    Life Sciences & Biomedicine
    Biotechnology & Applied Microbiology
    Chinese fir
    Plantation
    Publication URI
    http://hdl.handle.net/10072/398428
    Collection
    • Journal articles

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