Bioscience Methods 2026, Vol.17, No.1, 23-31 http://bioscipublisher.com/index.php/bm 30 Of course, this research also has its limitations. Due to the constraints of the conditions, the experiment only selected a few varieties and fixed locations. Under different rice varieties or ecological environments, the most suitable harvest time may not be completely consistent. The relevant conclusions need to be verified on a larger scale. Additionally, this study mainly focused on processing performance and flavor changes, and paid little attention to nutritional components and changes in quality during long-term storage. In the future, it is necessary to conduct related experiments in more varieties, different regions, and consecutive years, and combine with more precise detection methods to supplement and improve the existing conclusions. From the perspective of subsequent research, there are still many areas that can be further improved regarding the issue of harvest time. There are significant differences among different varieties and different ecological regions, and it is difficult to solve this problem with a single standard. Therefore, it is necessary to conduct more experiments to gradually form more targeted regional guidance ideas. At the same time, if remote sensing or intelligent analysis methods can be combined, the maturity and water content changes of rice can be promptly monitored, and the judgment of harvest time will be more reliable. In production, the adjustment of harvest time cannot be advanced alone; it also needs to be coordinated with drying, storage and other processes to avoid excessive fluctuations in quality during subsequent processing. In breeding, it is also worth paying attention. Research on the adaptability of varieties should be strengthened, and new materials with more stable whole-grain rice yield and wider adaptability should be cultivated. The simultaneous efforts of research and promotion are necessary to make the optimization of harvest time truly implemented in production. Acknowledgments I am deeply grateful to Professor R.X. Cai for his multiple reviews of this paper and for his constructive revision suggestions. Thank you to the peer reviewers for their suggestions on revisions and improvements to this study. Conflict of Interest Disclosure The author affirms that this research was conducted without any commercial or financial relationships that could be construed as a potential conflict of interest. References Brinkhoff J., Dunn B.W., Dunn T., Schultz A., and Hart J., 2025, Forecasting field rice grain moisture content using Sentinel-2 and weather data, Precision Agriculture, 26(1): 1-22. https://doi.org/10.1007/s11119-025-10228-2 Du M., Guo Z., Gu K.J., Chen W., Zhang Y.F., and Liu H.J., 2023, Effects of harvest period on grain quality of japonica rice with good taste in different growth types, Jiangsu Agricultural Sciences Journal, 49(6): 1303-1311. https://doi.org/10.3969/j.issn.1000-4440.2023.06.005 Khan M.A., Alam S.M., and Hossen M.M., 2021, Effects of harvest time on quality attributes and aroma accumulation in rice grains, Journal of Crop Science, 45(3): 260-270. https://doi.org/10.1007/s00344-020-10288-w Li Y., Chen Y., Ding Q., He R., and Ding W., 2022, Analysis of relationship between head rice yield and breaking force of Japonica rice grains at different maturity stages, Int. Agrophysics, 36: 1-11. https://doi.org/10.31545/intagr/145545 Lu Y., Zheng H., Huang M., and Chen J., 2025, Effects of harvest time on rice yield and quality: a meta-analysis, European Journal of Agronomy, 169: 127674. https://doi.org/10.1016/j.eja.2025.127674 Mdpi A., Expounding the effect of harvest management on rice (Oryza sativa L.) yield and latent loss based on the accurate measurement of grain data, Agronomy, 2024, 14(7): 1346. https://doi.org/10.3390/agronomy14071346 Sultana S., Ahmed M., and Rahman M., 2023, Impact of harvesting time on grain yield, physicochemical characteristics, and aroma of aromatic rice varieties, Agronomy, 14(8): 1714. https://doi.org/10.3390/agronomy14081714 Tao F., Qin C., and Li X., 2024, Exploring the impact of key physicochemical properties of rice on taste and quality, Frontiers in Plant Science, 15: 1481207. https://doi.org/10.3389/fpls.2024.1481207 Teng M., Duan X., Feng R., Zhang D., Guo W., Sun H., and Liu X., 2024, Effects of Harvest Time on Grinding Quality, Appearance Quality and Physical and Chemical Quality of Japonica Rice, Foods, 13(18): 2868. https://doi.org/10.3390/foods13182868 Wang Y., Xu J., Liu S., and Li Q., 2022, Determination of moisture in rice grains based on visible and local descriptors, Agronomy, 12(12): 3021. https://doi.org/10.3390/agronomy12123021
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