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Side Deep Fertilizing of Machine-Transplanted Rice to Guarantee Rice Yield in Conservation Tillage

Author

Listed:
  • Qi-Xia Wu

    (College of Agriculture, Yangtze University, Jingzhou 434025, China
    These authors contributed equally to this work.)

  • Bin Du

    (College of Agriculture, Yangtze University, Jingzhou 434025, China
    These authors contributed equally to this work.)

  • Shuo-Chen Jiang

    (College of Agriculture, Yangtze University, Jingzhou 434025, China)

  • Hai-Wei Zhang

    (College of Agriculture, Yangtze University, Jingzhou 434025, China)

  • Jian-Qiang Zhu

    (College of Agriculture, Yangtze University, Jingzhou 434025, China)

Abstract

Conservation tillage is an environmentally friendly and economical farming method, but its impact on rice yield is controversial. Artificially applied side deep fertilizing of machine-transplanted rice is when fertilizer is applied to the deep soil along with the machine transplantation of rice; this may improve the fertilizer utilization rate and rice yield and eliminate the possible negative effects of conservation tillage on rice yield. Using on machine-transplanted rice, this study aims to compare the effects of side deep fertilizing (SDF). We investigated the effects of artificially applying fertilizer (AAF) on rice growth and yield under conventional tillage (CT), reduced tillage (RT), and no tillage (NT). The rice root activity, root dry weight, leaf area index (LAI), net photosynthetic rate (Pn), chlorophyll content, panicle density, spikelets per panicle, and yield were all ranked as NT > RT > CT and SDF > AAF. The 1000-grain weight was also ranked as SDF > AAF. In addition, under NT conditions, the positive effect of SDF on rice growth and yield was higher than under RT and CT conditions. In general, conservation tillage combined with SDF saved costs and increased rice yield.

Suggested Citation

  • Qi-Xia Wu & Bin Du & Shuo-Chen Jiang & Hai-Wei Zhang & Jian-Qiang Zhu, 2022. "Side Deep Fertilizing of Machine-Transplanted Rice to Guarantee Rice Yield in Conservation Tillage," Agriculture, MDPI, vol. 12(4), pages 1-12, April.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:4:p:528-:d:789533
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    References listed on IDEAS

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    1. Thakur, Amod K. & Mandal, Krishna G. & Mohanty, Rajeeb K. & Ambast, Sunil K., 2018. "Rice root growth, photosynthesis, yield and water productivity improvements through modifying cultivation practices and water management," Agricultural Water Management, Elsevier, vol. 206(C), pages 67-77.
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    Cited by:

    1. Lijin Guo & Jie Shi & Wei Lin & Jincheng Liang & Zhenhua Lu & Xuexiao Tang & Yue Liu & Purui Wu & Chengfang Li, 2022. "Soil Bacteria Mediate Soil Organic Carbon Sequestration under Different Tillage and Straw Management in Rice-Wheat Cropping Systems," Agriculture, MDPI, vol. 12(10), pages 1-17, September.

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