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Effect of Reducing Nitrogen and Applying Organic Fertilizer on Nitrogen Use Efficiency and Rice Yield in Red Soil Regions of the Southern China

Received: 26 November 2020     Accepted: 22 December 2020     Published: 12 January 2021
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Abstract

To explore the amount of reducing N fertilizer, a 2-year field experiment was conducted to investigate the effects of reducing N fertilizer and applying organic fertilizer on nitrogen use efficiency (NUE) and rice yield in red soil regions of the Southern China. On the basis of applying 4500 kg/ha organic fertilizer and local custom fertilization with 204 kg/ha urea application, five treatments including no nitrogen fertilization (CK), local customary nitrogen application (N100), and nitrogen reduction of 10% (N90), 20% (N80), and 30% (N70) were conducted. The results showed that nitrogen agronomic efficiency (NAE), nitrogen recovery efficiency (NRE), nitrogen physiological efficiency (NPE) and nitrogen partial factor productivity (NPFP) of N90 treatment were significantly higher than those of other treatments, and the yield was as high as 9.33 t/ha, which showed a significant differences compared with CK and N100. The output value, benefit, and benefit-cost ratio of N90 were significantly higher than those of N100, which increased by 6.38%, 6.42%, 8.35%, and 8.20%, respectively. In addition, while applying the same amount of organic fertilizer, the rate of nitrogen reduction has little effect on the soil organic matter content, meaning that N90 can achieve high NUE and high yield in rice. It is good to provide the theory basis for fertilizer decision-making in practice.

Published in Journal of Energy, Environmental & Chemical Engineering (Volume 6, Issue 1)
DOI 10.11648/j.jeece.20210601.12
Page(s) 10-15
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Red Soil Regions of the Southern China, Reduced Nitrogen Application, Organic Fertilizer Application, Nitrogen Use Efficiency

References
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Cite This Article
  • APA Style

    Qihong Tu, Zhenjiang Zhang, Min Liu. (2021). Effect of Reducing Nitrogen and Applying Organic Fertilizer on Nitrogen Use Efficiency and Rice Yield in Red Soil Regions of the Southern China. Journal of Energy, Environmental & Chemical Engineering, 6(1), 10-15. https://doi.org/10.11648/j.jeece.20210601.12

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    ACS Style

    Qihong Tu; Zhenjiang Zhang; Min Liu. Effect of Reducing Nitrogen and Applying Organic Fertilizer on Nitrogen Use Efficiency and Rice Yield in Red Soil Regions of the Southern China. J. Energy Environ. Chem. Eng. 2021, 6(1), 10-15. doi: 10.11648/j.jeece.20210601.12

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    AMA Style

    Qihong Tu, Zhenjiang Zhang, Min Liu. Effect of Reducing Nitrogen and Applying Organic Fertilizer on Nitrogen Use Efficiency and Rice Yield in Red Soil Regions of the Southern China. J Energy Environ Chem Eng. 2021;6(1):10-15. doi: 10.11648/j.jeece.20210601.12

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  • @article{10.11648/j.jeece.20210601.12,
      author = {Qihong Tu and Zhenjiang Zhang and Min Liu},
      title = {Effect of Reducing Nitrogen and Applying Organic Fertilizer on Nitrogen Use Efficiency and Rice Yield in Red Soil Regions of the Southern China},
      journal = {Journal of Energy, Environmental & Chemical Engineering},
      volume = {6},
      number = {1},
      pages = {10-15},
      doi = {10.11648/j.jeece.20210601.12},
      url = {https://doi.org/10.11648/j.jeece.20210601.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeece.20210601.12},
      abstract = {To explore the amount of reducing N fertilizer, a 2-year field experiment was conducted to investigate the effects of reducing N fertilizer and applying organic fertilizer on nitrogen use efficiency (NUE) and rice yield in red soil regions of the Southern China. On the basis of applying 4500 kg/ha organic fertilizer and local custom fertilization with 204 kg/ha urea application, five treatments including no nitrogen fertilization (CK), local customary nitrogen application (N100), and nitrogen reduction of 10% (N90), 20% (N80), and 30% (N70) were conducted. The results showed that nitrogen agronomic efficiency (NAE), nitrogen recovery efficiency (NRE), nitrogen physiological efficiency (NPE) and nitrogen partial factor productivity (NPFP) of N90 treatment were significantly higher than those of other treatments, and the yield was as high as 9.33 t/ha, which showed a significant differences compared with CK and N100. The output value, benefit, and benefit-cost ratio of N90 were significantly higher than those of N100, which increased by 6.38%, 6.42%, 8.35%, and 8.20%, respectively. In addition, while applying the same amount of organic fertilizer, the rate of nitrogen reduction has little effect on the soil organic matter content, meaning that N90 can achieve high NUE and high yield in rice. It is good to provide the theory basis for fertilizer decision-making in practice.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - Effect of Reducing Nitrogen and Applying Organic Fertilizer on Nitrogen Use Efficiency and Rice Yield in Red Soil Regions of the Southern China
    AU  - Qihong Tu
    AU  - Zhenjiang Zhang
    AU  - Min Liu
    Y1  - 2021/01/12
    PY  - 2021
    N1  - https://doi.org/10.11648/j.jeece.20210601.12
    DO  - 10.11648/j.jeece.20210601.12
    T2  - Journal of Energy, Environmental & Chemical Engineering
    JF  - Journal of Energy, Environmental & Chemical Engineering
    JO  - Journal of Energy, Environmental & Chemical Engineering
    SP  - 10
    EP  - 15
    PB  - Science Publishing Group
    SN  - 2637-434X
    UR  - https://doi.org/10.11648/j.jeece.20210601.12
    AB  - To explore the amount of reducing N fertilizer, a 2-year field experiment was conducted to investigate the effects of reducing N fertilizer and applying organic fertilizer on nitrogen use efficiency (NUE) and rice yield in red soil regions of the Southern China. On the basis of applying 4500 kg/ha organic fertilizer and local custom fertilization with 204 kg/ha urea application, five treatments including no nitrogen fertilization (CK), local customary nitrogen application (N100), and nitrogen reduction of 10% (N90), 20% (N80), and 30% (N70) were conducted. The results showed that nitrogen agronomic efficiency (NAE), nitrogen recovery efficiency (NRE), nitrogen physiological efficiency (NPE) and nitrogen partial factor productivity (NPFP) of N90 treatment were significantly higher than those of other treatments, and the yield was as high as 9.33 t/ha, which showed a significant differences compared with CK and N100. The output value, benefit, and benefit-cost ratio of N90 were significantly higher than those of N100, which increased by 6.38%, 6.42%, 8.35%, and 8.20%, respectively. In addition, while applying the same amount of organic fertilizer, the rate of nitrogen reduction has little effect on the soil organic matter content, meaning that N90 can achieve high NUE and high yield in rice. It is good to provide the theory basis for fertilizer decision-making in practice.
    VL  - 6
    IS  - 1
    ER  - 

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Author Information
  • Key Laboratory of Digital Land and Resources, East China University of Technology, Nanchang, China

  • Key Laboratory of Digital Land and Resources, East China University of Technology, Nanchang, China

  • Agricultural Technology Extension Station of Fengcheng City, Yichun, China

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