Advancements in rice harvest machinery towards enhanced efficiency in modern agriculture

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Abstract
Rice is a vital food crop globally, ensuring food and nutritional security for the population. Same way, rice is an important food crop in the India and also has many traditional values. The mechanization of rice cultivation has significantly advanced, covering various aspects of farming operations, including transplanting, weeding, spraying, harvesting and post-harvest processes. The majority of rice harvesting operations worldwide are mechanized, marking a major leap in agricultural technology. Numerous studies and research initiatives have contributed to this transformation, delivering innovative technologies and methods that have made rice harvest mechanization a successful strategy. However, despite these advancements, several constraints and challenges persist in rice harvest mechanization. This paper delves into the influence of the crop harvesting stage on grain losses, examining how factors like crop moisture content and timing affect efficiency. Additionally, it reviews different mechanical harvesting mechanisms, exploring their working principles, advantages and disadvantages. By consolidating insights from extensive research, the paper provides a comprehensive overview of rice mechanization, emphasizing its significance in improving productivity while reducing labour dependency and drudgery. Concluding with an analysis of existing constraints, the paper highlights the scope for further improvements in technology to make harvest mechanization more accessible and efficient for rice farmers.

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