Bioscience Methods 2025, Vol.16, No.4, 218-227 http://bioscipublisher.com/index.php/bm 218 Research Insight Open Access Study on Precision Fertilization and Regulation Technology for Improving Bayberry Fruit Quality Jindao Huang1, Zhixiong Zhang2, BoZhang3 1 Agricultural Science and Technology Service Team of Taizhou Open University, Taizhou, 318000, Zhejiamg, China 2 Taizhou Huangyan Qingnongren Agricultural Technology Service Team, Taizhou, 318020, Zhejiamg, China 3 Taizhou Huangyan Chaoyu Agriculture Co., Ltd, Taizhou, 318020, Zhejiamg, China Corresponding email: 1635523656@qq.com Bioscience Methods, 2025, Vol.16, No.4 doi: 10.5376/bm.2025.16.0020 Received: 29 Jun., 2025 Accepted: 11 Aug., 2025 Published: 31 Aug., 2025 Copyright © 2025 Huang et.al., This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Preferred citation for this article: Huang J.D., Zhang Z.X., and Zhang B., 2025, Study on precision fertilization and regulation technology for improving bayberry fruit quality, Bioscience Methods, 16(4): 216-225 (doi: 10.5376/bm.2025.16.0020) Abstract Bayberry (Myrica rubra) is a commercially valuable fruit crop widely cultivated in subtropical regions, China is the main producer of Bayberry. But its fruit quality and yield are often inconsistent due to variable environmental and management factors. In this study, we investigated precision fertilization and regulation technologies to enhance bayberry fruit quality through integrated approaches that included soil and foliar nutrient diagnostics, controlled-release fertilization strategies, and the application of remote sensing and geospatial tools. We also explored regulatory techniques such as the use of plant growth regulators, optimized irrigation practices, and canopy management to improve nutrient distribution and fruit development. Smart agricultural technologies, including IoT sensors and machine learning-based nutrient scheduling models, were employed to refine fertilization timing and decision-making. A case study conducted in Southeast China demonstrated that these integrated technologies significantly improved fruit size, sugar-acid balance, and yield stability. Our results indicate that precision fertilization and regulation not only improve fruit quality and economic returns for farmers but also reduce environmental impacts, offering a sustainable framework for bayberry cultivation. Future research should focus on developing region-specific nutrient models and enhancing technology accessibility for smallholders. Keywords Bayberry; Precision fertilization; Fruit quality; Smart agriculture; Sustainable horticulture 1 Introduction Bayberry (Myrica rubra) is a fruit with great economic value. It is particularly important in many areas where people rely on fruit tree cultivation to sustain their lives and develop agriculture. In China, Bayberry is mainly distributed in the Yangtze River Basin and other southern regions, with a cultivation area of 75 000 hm2 and a yield of 346 000 tons in Zhejiang Province. The ripening period of Bayberry fruit is between mid to late June and early July, which coincides with the off-season of fruits throughout the year. Bayberry fruit can effectively fill people's fruit gaps, and it has a bright color, unique flavor, and high nutritional value. It is a very popular fruit among people, which has also driven the development of planting industry in underdeveloped mountainous areas and semi mountainous areas, becoming an important part of the local economy and fruit tree industry. However, there are still many difficulties in steadily improving the yield and quality of bayberry. Traditional fertilization and watering methods are often inefficient, easily causing nutritional imbalances and causing some environmental problems. These problems affect the size, taste and nutrition of the fruit. Bayberry's nutritional needs are complex in themselves, and the soil and plant conditions often change, making cultivation more difficult. It is not easy to achieve sustainable development while ensuring quality (Lu et al., 2022; Wang et al., 2023). Now, precision fertilization and regulation technology is considered a good way to solve these problems. This technology uses some advanced sensors, data analysis tools and equipment that can change the amount of fertilizer to accurately replenish nutrients and water to plants according to the needs of fruit trees at different stages. Doing so can not only improve the quality and yield of the fruit, but also improve the efficiency of fertilizer and water use, reduce waste and environmental pollution (Singh et al., 2024; Xing and Wang, 2024). At the same time, real-time monitoring and decision support systems also help farmers to better manage and find a balance between economic benefits and environmental protection (Kumar et al., 2024).
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