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Effects of Polyethylene Film Mulching and Planting Densities on Growth and Yield of Proso Millet (Panicum miliaceum L.)

기장의 PE 멀칭과 재식밀도가 생육 및 수량에 미치는 영향

  • Jung, Ki-Youl (Department of Southern Area Crop Science, NICS, RDA) ;
  • Jo, Su-Min (Department of Southern Area Crop Science, NICS, RDA) ;
  • Kang, Hang-Won (Department of Southern Area Crop Science, NICS, RDA) ;
  • Cho, Young-Son (Research Center for Seed Utilization, Gyeongnam National University of Science and Technology) ;
  • Yoon, Dong-Kyung (Division of Agronomy & Medicinal Plant Resources, Gyeongnam National University of Science & Technology) ;
  • Jeon, Seung-Ho (Research Center for Seed Utilization, Gyeongnam National University of Science and Technology)
  • 정기열 (국립식량과학원 남부작물부) ;
  • 조수민 (국립식량과학원 남부작물부) ;
  • 강항원 (국립식량과학원 남부작물부) ;
  • 조영손 (경남과학기술대학교 종자실용화 연구소) ;
  • 윤동경 (경남과학기술대학교 농학.한약자원학부) ;
  • 전승호 (경남과학기술대학교 종자실용화 연구소)
  • Received : 2015.02.16
  • Accepted : 2015.05.07
  • Published : 2015.06.30

Abstract

This study was conducted to evaluate effects of planting densities ($60{\times}10cm$, $60{\times}15cm$, $60{\times}20cm$) and PE mulching (polyethylene film mulching, non-mulching) on growth and yield of proso millet in drained paddy field for 2 years. In PE plots, culm length, culm diameter and fresh weight were higher than non-mulching plot. Additionally, spike length and seed weight per hill were also higher in PE plot but thousand seed weight was weightier in non-mulching plot. The yield of proso millet were increased with 10.0% and 15.5% at PE plot in 1st and 2nd, respectively. Culm diameter was thickest at $60{\times}20cm$ plot with 8.43 mm in 2nd however, culm length was longest at $60{\times}10cm$ plot with 130, 142 cm in 1st and 2nd, respectively. Plant height was higher by the increase of planting density. As plant density decreased, that spike length and seed weight per hill were increased. Yield of planting density were highest at $60{\times}15cm$ plot $265kg{\cdot}h10a^{-1}$, $253kg{\cdot}10a^{-1}$ yearly, respectively that it were in order of $60{\times}15cm$ plot > $60{\times}10cm$ plot > $60{\times}20cm$ plot.

Keywords

proso millet;planting density;mulching;yield

Acknowledgement

Supported by : 농촌진흥청

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