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헤어리베치와 부분경운에 의한 잡초발생과 수수의 생육 및 수량

Weed Occurrences, Growth and Yield of Sorghum (Sorghum bicolor) by Hairy Vetch and Partial-Width Tillage

  • 황재복 (국립식량과학원 기능성작물부) ;
  • 정기열 (국립식량과학원 기능성작물부) ;
  • 윤을수 (국립식량과학원 기능성작물부) ;
  • 최영대 (국립식량과학원 기능성작물부) ;
  • 현종내 (국립식량과학원 기능성작물부) ;
  • 윤종탁 (국립식량과학원 기능성작물부) ;
  • 오인석 (국립식량과학원 기능성작물부) ;
  • 이병모 (국립농업과학원)
  • Hwang, Jae-Bok (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Jung, Ki-Youl (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Yun, Eul-Soo (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Choi, Young-Dae (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Hyun, Jong-Nae (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Yun, Jong-Tag (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Oh, In-Souk (Cereal Crop Research Division, Department of Functional Crop, National Institute of Crop Science, RDA) ;
  • Lee, Byung-Mo (Organic Agriculture Division, Department of Agricultural Environment, National Institute Academy of Agricultural Science, RDA)
  • 투고 : 2014.11.05
  • 심사 : 2014.12.10
  • 발행 : 2014.12.31

초록

본 연구는 유기농업을 위한 중경제초기 개발로 제초날 형상 등 제초기 본체와 헤어리베치 파종시기 및 경운방법별 잡초발생 양상과 수량을 분석하였다. 헤어리베치의 건물량은 추파가 $6,730g\;ha^{-1}$로 춘파 $1,690g\;ha^{-1}$보다 3배 이상 높았다. 파종시기에 따른 헤어리베치의 식물체 분석을 보면, 전 질소는 추파가 5.4 kg으로 춘파 2.0 kg에 비해 2배 이상 높았다. 관행 비닐멀칭구에 비해 헤어리베치 처리구가 초장, 경태, 그리고 엽수가 다소 작았고, 출수기도 추파구는 8일, 춘파구는 12일 지연되었다. 잡초방제가는 무피복 대비 각각 피복비닐구, 부분경운구가 각각 88%, 71% 순이었다. 수량은 단작 비닐멀칭구가 $2,310kg\;ha^{-1}$, 추파 부분 경운구가 $2,130kg\;ha^{-1}$이었다.

키워드

헤어리베치;유기농업;수수;잡초방제

참고문헌

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