Partial replacement of inorganic phosphorus (P) by organic manure reshapes phosphate mobilizing bacterial community and promotes P bioavailability in a paddy soil
文献类型：期刊论文
| 作者 | Bi, Qing-Fang; Li, Ke-Jie; Zheng, Bang-Xiao; Liu, Xi-Peng; Li, Hong-Zhe; Jin, Bing-Jie; Ding, Kai; Yang, Xiao-Ru; Lin, Xian-Yong; Zhu, Yong-Guan |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2020-02-10 |
| 卷号 | 703页码:1-7 |
| 关键词 | Organic-inorganic fertilization Reduced phosphorus input Phosphate mobilizing bacteria Paddy soil Network interactions |
| ISSN号 | 0048-9697 |
| 英文摘要 | The optimization of more sustainable fertilization practice to relieve phosphorus (P) resource scarcity and increase P fertilizer utilization, a better understanding of the regulatory roles of microbes in P mobilization is urgently required to reduce P input. The genes phoD and pqqC are responsible for regulating organic and inorganic P mobilization, respectively. Using high-throughput sequencing, the corresponding bacterial communities harbored by these genes were determined. We conducted a 4-year rice-rice-crop rotation to investigate the responses of phoD- and pqqC-harboring bacterial communities to the partial replacement of inorganic P fertilizer by organic manure with reduced P input. The results showed that a combination of organic and inorganic fertilization maintained high rice yield, and also produced a more complex and stable phosphate mobilizing bacterial community, which contributed to phosphatase activities more than their gene abundances in the model analysis. Compared with the conventional mineral fertilization, organic-inorganic fertilization with the reduced P input slightly increased pqqC gene abundance while significantly enhanced the abundance of phoD-harboring bacteria, especially the genera Bradyrhizobium and Methylobacterium known as potential organic P mineralizers which can maintain high rice production. Moreover, the increased pH was the most impactful factor for the phoD- and pqqC-harboring bacterial communities, by promoting microbial P turnover and greatly increasing bioavailable P pools (H2O-Pi and NaHCO3-Pi, NaOH-Pi) in this P-deficient paddy soil. Hence, our study demonstrated that the partial replacement of mineral P with organic manure could reshape the inorganic phosphate solubilizing and alkaline-phosphomonoesterase encoding bacterial communities towards more resilient and effective to the high P utilization and productivity over intense cultivation, providing insights into the potential of soil microbes in the efficient management of agricultural P fertilization. (C) 2019 Elsevier B.V. All rights reserved. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/44402]  |
| 专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Bi, Qing-Fang,Li, Ke-Jie,Zheng, Bang-Xiao,et al. Partial replacement of inorganic phosphorus (P) by organic manure reshapes phosphate mobilizing bacterial community and promotes P bioavailability in a paddy soil[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,703:1-7. |
| APA | Bi, Qing-Fang.,Li, Ke-Jie.,Zheng, Bang-Xiao.,Liu, Xi-Peng.,Li, Hong-Zhe.,...&Zhu, Yong-Guan.(2020).Partial replacement of inorganic phosphorus (P) by organic manure reshapes phosphate mobilizing bacterial community and promotes P bioavailability in a paddy soil.SCIENCE OF THE TOTAL ENVIRONMENT,703,1-7. |
| MLA | Bi, Qing-Fang,et al."Partial replacement of inorganic phosphorus (P) by organic manure reshapes phosphate mobilizing bacterial community and promotes P bioavailability in a paddy soil".SCIENCE OF THE TOTAL ENVIRONMENT 703(2020):1-7. |
入库方式： OAI收割
来源：生态环境研究中心
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