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Soil Nitrogen Dynamics and Transformation Under No-Tillage Perennial Rice Farming Systems

Author

Listed:
  • Xupeng Zeng

    (State Key Laboratory for Vegetation Structure, Function and Construction (VegLab), Key Laboratory of Biology and Germplasm Innovation of Perennial Rice, Ministry of Agriculture and Rural Affairs, Yunnan Technology Innovation Center of Perennial Rice, International Joint Laboratory on Perennial Grain, Ministry of Education, New Cornerstone Science Laboratory, School of Agriculture, Yunnan University, Kunming 650091, China)

  • Getachew Melaku

    (Plant Biotechnology Directorate, Bio and Emerging Technology Institute (BETin), Addis Ababa 5954, Ethiopia)

  • Guangfu Huang

    (State Key Laboratory for Vegetation Structure, Function and Construction (VegLab), Key Laboratory of Biology and Germplasm Innovation of Perennial Rice, Ministry of Agriculture and Rural Affairs, Yunnan Technology Innovation Center of Perennial Rice, International Joint Laboratory on Perennial Grain, Ministry of Education, New Cornerstone Science Laboratory, School of Agriculture, Yunnan University, Kunming 650091, China)

  • Jing Zhang

    (State Key Laboratory for Vegetation Structure, Function and Construction (VegLab), Key Laboratory of Biology and Germplasm Innovation of Perennial Rice, Ministry of Agriculture and Rural Affairs, Yunnan Technology Innovation Center of Perennial Rice, International Joint Laboratory on Perennial Grain, Ministry of Education, New Cornerstone Science Laboratory, School of Agriculture, Yunnan University, Kunming 650091, China)

  • Shilai Zhang

    (State Key Laboratory for Vegetation Structure, Function and Construction (VegLab), Key Laboratory of Biology and Germplasm Innovation of Perennial Rice, Ministry of Agriculture and Rural Affairs, Yunnan Technology Innovation Center of Perennial Rice, International Joint Laboratory on Perennial Grain, Ministry of Education, New Cornerstone Science Laboratory, School of Agriculture, Yunnan University, Kunming 650091, China)

  • Yujiao Zhang

    (State Key Laboratory for Vegetation Structure, Function and Construction (VegLab), Key Laboratory of Biology and Germplasm Innovation of Perennial Rice, Ministry of Agriculture and Rural Affairs, Yunnan Technology Innovation Center of Perennial Rice, International Joint Laboratory on Perennial Grain, Ministry of Education, New Cornerstone Science Laboratory, School of Agriculture, Yunnan University, Kunming 650091, China)

  • Fengyi Hu

    (State Key Laboratory for Vegetation Structure, Function and Construction (VegLab), Key Laboratory of Biology and Germplasm Innovation of Perennial Rice, Ministry of Agriculture and Rural Affairs, Yunnan Technology Innovation Center of Perennial Rice, International Joint Laboratory on Perennial Grain, Ministry of Education, New Cornerstone Science Laboratory, School of Agriculture, Yunnan University, Kunming 650091, China
    Southwest United Graduate School, Kunming 650091, China)

Abstract

Annual rice growing lands are mainly threatened by soil loss. High-yielding perennial rice cultivars with great socioeconomic values are developed to stabilize fragile rice farms. Nitrogen balance in perennial rice fields can be facilitated by its no-tillage-based management system. However, systematic studies on nitrogen transformation and its distribution pattern are lacking. This study has therefore been conducted to look for the merits of no-tillage-based perennial rice farming on maintaining balanced nitrogen under perennial rice field conditions. From 2021 to 2023, a field experiment was conducted for six successive seasons, and the effect of no-tillage-based perennial rice plantation on apparent nitrogen balance was assessed. Plant nitrogen dry matter production efficiency and nitrogen recovery efficiency under the perennial rice production system were higher than the annual rice farming system by 10.32% ( p < 0.05) and 14.17% ( p < 0.05) per annum, respectively. Perennial rice systems exhibit higher nitrogen use efficiency and soil nitrogen potential for crops, sustain soil nitrogen balance and enhance soil fertility for long-term rice productivity. Perennial rice farming system is conducive to green and sustainable production in farmland.

Suggested Citation

  • Xupeng Zeng & Getachew Melaku & Guangfu Huang & Jing Zhang & Shilai Zhang & Yujiao Zhang & Fengyi Hu, 2025. "Soil Nitrogen Dynamics and Transformation Under No-Tillage Perennial Rice Farming Systems," Agriculture, MDPI, vol. 15(19), pages 1-30, September.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:19:p:2033-:d:1760212
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