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<p>Manual planting of ginger rhizomes is a labour-intensive, drudgery-oriented operation. To address this issue, a ginger rhizome planter fitted with a dedicated cup-type seed metering device is needed. A metering cup was designed based on the physical parameters of different ginger rhizome varieties, and its performance was evaluated in laboratory tests. For this study, three different varieties of ginger rhizome, such as Moran (40–50&#xa0;mm), Nadia (50–60&#xa0;mm), and Nagaland local (&lt; 40&#xa0;mm), were collected from Assam, Meghalaya, and Nagaland. The performance of the finger shaped cup (C2) type seed metering device was evaluated against that of the circular metering cup (C1) type seed metering device. The overall experiment was performed by considering three independent parameters, i.e., cup type, rhizome size, and operating speed (1, 1.5 and 2&#xa0;km/h), and evaluated the performance parameters such as average rhizome spacing, multiple index, missing index, quality of feed index, and physical damage. The ANOVA revealed that all the independent parameters had highly significant effects (<i>p</i> &lt; 0.001) on all performance indices. With increased speed and ginger rhizome size, all performance parameters increased, whereas the quality of feed index (QFI) decreased in both cups. Across all operating conditions, cup, C2 performance is better than C1, with lower missing index, damage and higher QFI. The maximum QFI of 95% was recorded at 1&#xa0;km/h for Moran ginger rhizome and minimum physical damage of 5% for Nagaland local ginger rhizome by using cup C2. Overall, the metering device performed best with cup C2 operated at 1–1.5&#xa0;km/h, offering the most desirable uniform spacing, reduced miss rate, multiple indices, minimal damage, and maximum QFI. These findings demonstrated that the improved cup-type seed metering device has strong potential to enhance planting accuracy, reduce labour demands, and increase operational efficiency in ginger cultivation.</p>

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Design and Development of a Seed Metering Cup utilizing Physical and Gravimetric Parameters of Ginger Rhizomes

  • 期刊论文

  • 发表日期：

    2026年6月23日

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  • Nilkamal Kalita,
  • Sashindra Kumar Kakoty

摘要

Manual planting of ginger rhizomes is a labour-intensive, drudgery-oriented operation. To address this issue, a ginger rhizome planter fitted with a dedicated cup-type seed metering device is needed. A metering cup was designed based on the physical parameters of different ginger rhizome varieties, and its performance was evaluated in laboratory tests. For this study, three different varieties of ginger rhizome, such as Moran (40–50 mm), Nadia (50–60 mm), and Nagaland local (< 40 mm), were collected from Assam, Meghalaya, and Nagaland. The performance of the finger shaped cup (C2) type seed metering device was evaluated against that of the circular metering cup (C1) type seed metering device. The overall experiment was performed by considering three independent parameters, i.e., cup type, rhizome size, and operating speed (1, 1.5 and 2 km/h), and evaluated the performance parameters such as average rhizome spacing, multiple index, missing index, quality of feed index, and physical damage. The ANOVA revealed that all the independent parameters had highly significant effects (p < 0.001) on all performance indices. With increased speed and ginger rhizome size, all performance parameters increased, whereas the quality of feed index (QFI) decreased in both cups. Across all operating conditions, cup, C2 performance is better than C1, with lower missing index, damage and higher QFI. The maximum QFI of 95% was recorded at 1 km/h for Moran ginger rhizome and minimum physical damage of 5% for Nagaland local ginger rhizome by using cup C2. Overall, the metering device performed best with cup C2 operated at 1–1.5 km/h, offering the most desirable uniform spacing, reduced miss rate, multiple indices, minimal damage, and maximum QFI. These findings demonstrated that the improved cup-type seed metering device has strong potential to enhance planting accuracy, reduce labour demands, and increase operational efficiency in ginger cultivation.