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. |
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Copyright © The Author(s), 2021. Published by Science Publishing Group |
Red Soil Regions of the Southern China, Reduced Nitrogen Application, Organic Fertilizer Application, Nitrogen Use Efficiency
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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
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
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
@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} }
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 -