Journal of Biosystems Engineering

Korean Society for Agricultural Machinery (한국농업기계학회)
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Adaptability Analysis of Granule Fertilizer Applicator for Rapeseed Broadcasting

입제 비료살포기의 유채 파종 적용성 분석

  • Lee, C.K. (National Academy of Agricultural Science, RDA) ;
  • Choi, Y. (National Academy of Agricultural Science, RDA) ;
  • Jun, H.J. (National Academy of Agricultural Science, RDA) ;
  • Lee, C.S. (National Academy of Agricultural Science, RDA) ;
  • Kim, Y.J. (KSAM, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Lee, S.K. (Dept. of Biological Systems Engineering, Gyeongsang National University) ;
  • Oh, S.H. (Asia technology Co. Ltd.)
  • Published : 2009.04.25
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Abstract

This study was carried out to test feasibility of a granule fertilizer applicator for rapeseed seeding in paddy fields. The metering plate of a conventional applicator was modified for rapeseed seeding. The modified plate had new three seeding openings with total area of $342mm^2$. Average target discharging rates ranged from 6.3 to 21.0 g/s and correlated with opening areas. Application patterns of the rapeseed seeding showed M-shape. The coefficients of variation of the application showed 70.5% at 0.99 m/s of forwarding speed and 14.3 g/s of a discharge rate, and 77.7% at 1.72 m/s of a forwarding speed and 8.23 g/s of a discharge rate. The coefficients of variation in the direction of transverse of the tractor ranged from 7.3 to 47.7%. In rapeseed seeding tests using the applicator, seed damages rates were less than 15% due to the agitator, the seed hopper and the seeding plate break. Therefore, improvements of the applicator blow heads and seeding equipments were required in order to apply rapeseed efficiently.

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References

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Cited by

  1. Development of a Rapeseed Seeder Attached to Tractors vol.34, pp.3, 2009, https://doi.org/10.5307/JBE.2009.34.3.147