All Issue

2018 Vol.43, Issue 4 Preview Page
December 2018. pp. 303-310

Purpose: This research was conducted to determine the design factors of a seed-metering device for the development of a seeder. The device allows the seeder to sow precisely one to three seeds of foxtail millet and sorghum. To obtain fundamental information regarding the design of the seed-metering device, examination of the physical properties of foxtail millet and sorghum was conducted. Methods: Based on the results of an adaptability test using an existing seeder with foxtail millet and sorghum, an experimental roller-type seed-metering device was made. The seeding factors considered during the experiment were the width, length, and depth, as well as the shape of the groove in the seed-metering roller. By adapting an analysis of variance, the experimental results of the seeding factors were analyzed. Results: The measured results of the respective lengths and widths of the seeds were 2.11 and 1.64 mm for foxtail millet, and 3.68 and 3.32 mm for sorghum, respectively. The weight of 1,000 seeds was 2.43 g for foxtail millet and 17.5 g for sorghum. The seeds were of an elliptical shape, considering the length and width. A sieve analysis showed that the size distribution of foxtail millet was quite regular whereas that of sorghum was irregular. Conclusions: The seeding results showed that the rates of incorrect planting were low when the groove of the roller-type metering device is an elliptical type. To sow one to three seeds, the groove of roller-type metering devices 2.0 mm x 4.0 mm x 1.5 mm (width x length x depth) for foxtail millet, and 4.0 mm x 8.0 mm x 3.0 mm and 4.5 mm x 8.0 mm x 3.0 mm (width x length x depth) for Sorghum.

  1. Choi, B. H. 1986. The possibility of foddering of millet. REM0031043. Jeonju, Republic of Korea: Rural Development Administration.
  2. Choi, I. S., H. J. Jun, Y. Choi, Y. K. Kim, T. K. Kang and C. S. Hyun. 2015. Development of seeder for foxtail millet & sorghum. In: Proceedings of the KSAM&KSBEC 2015 Spring Conference, pp. 109-110, Jeonju, Republic of Korea: April 2015 (in Korean).
  3. Choi, I. S., S. O. Chung, H. J. Jun, Y. Choi, D. K. Choi, T. G. Kang, C. S. Hyun and C. K. Lee. 2014. Adaptability test of the existing seeder in Foxtail millet & Sorghum. CNU Journal of Agricultural Science 41(4): 259-264 (In Korean, with English abstract).
  4. Jung, K. Y., D. K. Kim, K. S. Lee and S. O. Chung. 2012. Development of Cultivation Techniques for Enhancing Productivity of Cereal Crops. v. 2011. Suwon. Republic of Korea: Rural Development Administration National Institute of Crop Science (In Korea).
  5. Lee, J. M., S. H. Yang, S. B. Shim, Y. J. Kim, W. K. Kim and J. W. Ha. 2014. Dynamics simulation of a garlic metering device of rotating disk-and-gripper type. In: Proceedings of the KSAM 2014 Autumn Conference, 19(2): pp. 100-101, Cheonan, Republic of Korea: October 2014 (in Korean).
  6. Ministry for Food, Agriculture, Forestry and Fisheries. 2012. 7th Agricultrual Mechanization Master Plan. Sejing. Republic of Korea: Ministry for Food, Agriculture, Forestry and Fisheries (in Korean).
  7. Rhee, J. Y., J. S. Hwang, C. J. Chung, H. J. Kim. 2000. Morphological analysis of seed for seeder design. In: Proceedings of the KSAM 2000 Spring Conference, 5(1): pp. 7-11, Suwon, Republic of Korea: February 2000 (in Korean).
  8. Rural Development Administraion. 2012. Research Analysis Criteria about Agricultural Science and Technology. 5. Suwon. Republic of Korea: Rural Development Administraion (in Korean).
  9. Ryu, I. H. and K. U. Kim. 1997. Design of roller-type metering device for precision planting. Journal of the Korean Society for Agricultural Machinery 22(4): 401-410 (In Korean, with English abstract).
  10. Yang, S. H., Y. J. Kim and J. W. Lee. 2014. Metering performance of vacuum-type metering device according to vacuum pressure and revolution speed of metering disk. In: Proceedings of the KSAM 2014 Spring Conference, 19(1): pp. 159-160, Jeonju, Republic of Korea: April 2014 (in Korean).PMC3922397
  • Publisher :The Korean Society for Agricultural Machinery
  • Publisher(Ko) :한국농업기계학회
  • Journal Title :Journal of Biosystems Engineering
  • Journal Title(Ko) :바이오시스템공학
  • Volume : 43
  • No :4
  • Pages :303-310
  • Received Date :2018. 10. 08
  • Accepted Date : 2018. 11. 23