数字农科院2.0

The role of soil pore structure on nitrate release from soil organic matter and applied fertilizer under three fertilization regimes

文献类型： 外文期刊

作者： Ruan, Renjie;Zhang, Zhongbin;Lan, Ting;Wang, Yaosheng;Li, Wei;Chen, Huan;Peng, Xinhua

作者机构：

关键词： Soil pore structure;Nitrate release;Fertilization;Physical disturbance;X-ray computed tomography

期刊名称： SOIL & TILLAGE RESEARCH

ISSN： 0167-1987

年卷期： 2024 年 248 卷

页码：

收录情况： SCIE（2024版） ; ; EI（2024版）

摘要： Soil pore structure is highly variable with soil management practices, and plays an important role in nutrient availability. However, the relationships between soil pore characteristics (pore connectivity and pore size distribution) and nitrate release from soil organic matter or applied fertilizer are still unclear. This study aimed to identify how soil pore structure affects nitrate release under three fertilization regimes: Control (no fertilization), NPK (mineral NPK fertilization), and OF (organic fertilization). Soil samples were subjected to three physical disturbances (Intact, Repacked, and Compacted) for each fertilization treatment to alter soil pore structure characteristics which were quantified using computed tomography (CT). Nitrate release derived from soil organic matter (Ndfs) and applied fertilizer (Ndff) was distinguished with 15N labelled urea and leached during an incubation. The results showed a decrease in cumulative Ndff in the NPK and OF treatments, compared to the Control, while an increase in cumulative Ndfs in the OF treatment, compared to the Control. Cumulative Ndff was higher in the Repacked treatment, but lower in the Compacted treatment, than in the Intact treatment. Correlation analysis showed that cumulative Ndfs was positively influenced by soil organic carbon content (SOC) and ammonia-oxidizing bacteria abundance, while cumulative Ndff was negatively influenced by SOC. Furthermore, cumulative Ndfs was not associated with soil pore characteristics; however, cumulative Ndff was positively associated with macroporosity, macropore connectivity, and the porosities of pores with diameters in the ranges of 100-500 mu m and 500-1000 mu m. Path analysis indicated that 100-500 mu m pores indirectly influenced the potential and rate of Ndff by modulating water holding capacity and air permeability. Our findings provide a novel perspective, indicating that soil pore structure characteristics significantly influence nitrate release from applied fertilizer rather than that from soil organic matter, with porosity of 100-500 mu m being particularly effective in influencing nitrate release from applied fertilizer.

分类号：

  • 相关文献

[1]Long-term effects of inorganic fertilizers and organic manures on the structure of a paddy soil. Huan Fang,Kailou Liu,Daming Li,Xinhua Peng,Weijian Zhang,Hu Zhou. 2021

[2]Contrasting soil structure and yield responses to 8-year conservation tillage in Fluvo-aquic and Shajiang black soils. Tianyu Ding,Zichun Guo,Yueming Chen,Zizhou Yu,Shenzhong Tian,Jianli Liu,Xinhua Peng. 2025

[3]磷肥对苜蓿根系发育的影响. 韩雪松. 2002

[4]Biochar application improves maize yield on the Loess Plateau of China by changing soil pore structure and enhancing root growth. Renjie Ruan,Peng Zhang,Hans Lambers,Wanyu Xie,Zhongbin Zhang,Shiyu Xie,Yuekai Wang,Yaosheng Wang. 2024

[5]New insights into the solute transport processes of red soil combining CT scanning and stable isotope tracing. Xinni Ju,Lei Gao,Dongli She,Yuhua Jia,Asim Biswas,Xinhua Peng. 2025

[6]Soil pore structure shaped compositions and structures of soil microbial community during 13C-labelled maize straw decomposition. Tianyu Ding,Rui Qian,Zichun Guo,Xianjin Huang,Xinhua Peng. 2024

[7]Effects of legume-cover crop rotations on soil pore characteristics and particulate organic matter distributions in Vertisol based on X-ray computed tomography. Tianyu Ding,Zichun Guo,Keke Hua,Zizhou Yu,Jiaqi Li,Yueming Chen,Zhibin Guo,Daozhong Wang,Jianli Liu,Xinhua Peng. 2025

[8]Long-term nitrogen fertilization promotes fresh particulate organic matter accumulation within macroaggregates under straw return by increasing pore connectivity. Tianyu Ding,Zichun Guo,Wei Li,Huan Fang,Lei Gao,Xinhua Peng. 2025

[9]Direct Methods To Calculate The M.ass Exchange Between Solutes I nside And Outside Aggregates In Macroscopic Model For Solute Transport In Aggregated Soil. Liu, Yuan,Li, Zhongyang,Zhang, Xiaoxian,Wang, Di. 2018

[10]Discerning The Difference Between Lumens And Scalariform Perforation Plates In Impeding Water Flow In Single Xylem Vessels And Vessel Networks In Cotton. 高阳,王广帅,孙景生. 2020

[11]Artificial macropores improve maize performance at the seedling stage under poor aeration. Peng Xiong,Fahui Jiang,Yuekai Wang,Zhongbin Zhang. 2024

[12]Micro-CT Analysis of Pore Structure in Upland Red Soil Under Different Long-Term Fertilization Regimes. Huan Fang,Na Zhang,Zhenghong Yu,Dongchu Li,Xinhua Peng,Hu Zhou. 2024

[13]Responses of root hairs to soil compaction: A review. Minwei Fu,Peng Xiong,Zhongbin Zhang,Xinhua Peng. 2025

[14]Characterizing the Effects of Compaction on Agricultural Tilled Soil Macropore Characteristics Using X-Ray Computed Tomography. Guan, Zhuohuai,Jiang, Tao,Li, Haitong,Zhang, Min,Jin, Mei,Jiang, Dong. 2025

[15]Simulating maize (Zea mays L.) growth and yield, soil nitrogen concentration, and soil water content for a long-term cropping experiment in Ontario, Canada. Liu, S.,Liu, S.,Yang, J. Y.,Drury, C. F.,Reynolds, W. D.,Liu, H. L.. 2014

[16]Evident variations of fungal and actinobacterial cellulolytic communities associated with different humified particle-size fractions in a long-term fertilizer experiment. Zhang, Qian,Liang, Guoqing,Guo, Tengfei,He, Ping,Wang, Xiubin,Zhou, Wei.

[17]Heavymetal accumulation and source analysis in greenhouse soils of Wuwei District, Gansu Province, China. Bai, L. Y.,Zeng, X. B.,Su, S. M.,Duan, R.,Wang, Y. N.,Gao, X..

[18]Variable responses of ammonia oxidizers across soil particle-size fractions affect nitrification in a long-term fertilizer experiment. Zhang, Qian,Liang, Guoqing,Zhou, Wei,Myrold, David D..

[19]Reduced dependence of rhizosphere microbiome on plant-derived carbon in 32-year long-term inorganic and organic fertilized soils. Ai, Chao,Liang, Guoqing,Sun, Jingwen,Wang, Xiubin,He, Ping,Zhou, Wei,He, Xinhua,He, Ping,He, Xinhua,He, Xinhua.

[20]Effects of nitrogen application on flavor compounds of cherry tomato fruits. Wang, Yu-Tao,Huang, Shao-Wen,Liu, Rong-Le,Jin, Ji-Yun. 2007

作者其他论文 更多>>