Implementing Internet of Things for Real-Time Monitoring and Regulation of Off-Season Grafting and Post-Harvest Storage in Citrus Cultivation: A Case Study from the Hilly Regions of Nepal

R. Lamsal, U. K. Acharya, P. Karthikeyan, Pablo Otero, Alfonso Ariza
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Abstract

Citrus fruit cultivation, especially mandarin oranges, is crucial to the economy of Nepal’s hilly regions due to their ideal geoclimatic conditions. Despite its economic importance, the sector faces several challenges, such as inadequate grafting techniques, low-quality saplings, and ineffective post-harvest storage. This paper explores these issues and proposes innovative solutions through the use of Internet of Things (IoT) technology. To address these challenges, we identified key areas for improvement. First, we focused on extending grafting practices during the off-season to ensure a higher success rate and better-quality saplings. Second, we examined different post-harvest storage methods to determine their effectiveness in terms of shelf life, decay loss, and quality of fruit. In addition to exploring post-harvest strategies, this paper provides preharvest recommendations for farmers, emphasizing methods to enhance fruit quality and longevity through effective pre-storage practices. Our IoT-based approach introduces off-season grafting in polyhouses and advanced monitoring for post-harvest storage. The results are promising: We achieved grafting success rates of 91% for acid lime and 92% for local mandarin orange varieties. Additionally, our research compared different post-harvest storage methods for mandarin oranges, including room, cellar, and cold chamber. We assessed these methods based on shelf life, physiological weight loss, and the total soluble solids (TSS) to titratable acidity (TA) ratio. The cold chamber proved to be the most effective method, offering superior conditions for storing mandarin oranges. The IoT-based monitoring system played a crucial role in maintaining optimal temperature, humidity, and gas content within the cold chamber, resulting in reduced post-harvest losses and extended shelf life. These findings highlight the transformative potential of IoT technology in mandarin orange cultivation and post-harvest storage.
在柑橘种植淡季嫁接和采后贮藏的实时监控和监管中实施物联网:尼泊尔丘陵地区案例研究
由于尼泊尔丘陵地区理想的地理气候条件,柑橘类水果,尤其是柑橘的种植对该地区的经济至关重要。尽管柑橘种植业具有重要的经济意义,但它也面临着一些挑战,如嫁接技术不足、树苗质量低劣、采后储藏效果不佳等。本文探讨了这些问题,并通过使用物联网(IoT)技术提出了创新解决方案。为了应对这些挑战,我们确定了需要改进的关键领域。首先,我们重点关注在淡季推广嫁接做法,以确保更高的成功率和更优质的树苗。其次,我们研究了不同的采后贮藏方法,以确定其在货架期、腐烂损失和果实质量方面的有效性。除了探讨采后策略,本文还为果农提供了采前建议,强调通过有效的采前贮藏方法提高果实质量和寿命。我们基于物联网的方法引入了多温室淡季嫁接和采后贮藏的先进监控。结果令人欣喜:酸橙和本地柑橘品种的嫁接成功率分别达到 91% 和 92%。此外,我们的研究还比较了柑橘不同的采后贮藏方法,包括室内、地窖和冷藏室。我们根据保质期、生理重量损失以及总可溶性固形物(TSS)与可滴定酸度(TA)的比率对这些方法进行了评估。事实证明,冷藏室是最有效的方法,它为柑橘的储存提供了优越的条件。基于物联网的监控系统在保持冷藏室内最佳温度、湿度和气体含量方面发挥了关键作用,从而减少了采后损失,延长了保质期。这些发现凸显了物联网技术在柑橘栽培和采后贮藏方面的变革潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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