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Changes in the Growth and Yield of an Extremely Early-Maturing Rice Variety According to Transplanting Density

Author

Listed:
  • Yeotae Yun

    (Crop Research Department, Chungcheongnam-do Agricultural Research and Extension Services, Yesan-gun 340861, Republic of Korea)

Abstract

This study investigated the impact of transplanting density on the growth and yield characteristics of an extremely early-maturing rice variety that has a short vegetative growth period, as the limited growth period results in reduced tiller development and leads to a lower yield. The experiment was conducted in 2019 and 2020 at Chungcheongnam-do Agricultural Research and Extension Services in Republic of Korea, where various transplanting density treatments were tested using the Bbareumi rice variety with a vegetative growth period of less than 50 days. The results showed that the tiller number seedling −1 and spikelet number m −2 were influenced by the transplanting density and had a significant impact on the milled rice yield. Decreasing the tiller number seedling −1 by increasing the transplanting density led to an increase in the spikelet number m −2 , which significantly improve the milled rice yield. Furthermore, the study identified the optimal transplanting density for maximizing yield as a transplanting distance of 30 × 12 cm, with 12 seedlings hill −1 , which resulted in the highest milled rice yield of 5.64 ton/ha. These findings provide valuable insights for rice farmers and researchers regarding efforts to improve the cultivation practices of extremely early-maturing rice varieties.

Suggested Citation

  • Yeotae Yun, 2023. "Changes in the Growth and Yield of an Extremely Early-Maturing Rice Variety According to Transplanting Density," Agriculture, MDPI, vol. 13(3), pages 1-12, March.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:3:p:717-:d:1102618
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    References listed on IDEAS

    as
    1. Yan Yu & J. Stephen Clark & Qingsong Tian & Fengxian Yan, 2022. "Rice yield response to climate and price policy in high-latitude regions of China," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 14(5), pages 1143-1157, October.
    2. Boon Teck Tan & Pei Shan Fam & R. B. Radin Firdaus & Mou Leong Tan & Mahinda Senevi Gunaratne, 2021. "Impact of Climate Change on Rice Yield in Malaysia: A Panel Data Analysis," Agriculture, MDPI, vol. 11(6), pages 1-17, June.
    3. Guoqiang Zhang & Bo Ming & Dongping Shen & Ruizhi Xie & Peng Hou & Jun Xue & Keru Wang & Shaokun Li, 2021. "Optimizing Grain Yield and Water Use Efficiency Based on the Relationship between Leaf Area Index and Evapotranspiration," Agriculture, MDPI, vol. 11(4), pages 1-14, April.
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