Korean Journal of Organic Agriculture (한국유기농업학회지)

Korean Association of Organic Agriculture (한국유기농업학회)
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Effect of Weed Managements after False Seedbed on Weed Occurrence and Growth of Organic Chinese Cabbage Growth

가묘상을 이용한 잡초관리가 잡초발생과 유기농 배추의 생장에 미치는 영향

  • 조정래 (국립농업과학원 유기농업과) ;
  • 이병모 (국립농업과학원 유기농업과) ;
  • 안난희 (국립농업과학원 유기농업과) ;
  • 옥정훈 (국립농업과학원 유기농업과) ;
  • 신재훈 (국립농업과학원 유기농업과) ;
  • 최현석 (대구가톨릭대학교 화훼원예학과)
  • Received : 2014.10.22
  • Accepted : 2014.11.07
  • Published : 2014.12.31
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Abstract

The study was conducted to evaluate effects of weed managements after false seedbed on the weed control and growth of spring and fall cabbages (Brassica oleracea L.) in an organic upland in 2013. Weed managements included rake, flame, PE mulch, and none treatment. The weed occurrence was not effectively controlled by rake treatment but controlled by flame treatment in spring and fall cultivation. PE mulch plots had 30% of tip-burn in spring cultivation. Weed managements after false seedbed were similar fresh weight, leaf number, and cabbage yield to the conventional PE mulch. Head of cabbage was the lowest on the none treatment. Fall cultivation reduced the weed density and increased yield of cabbage compared to those of spring in all treatment plots. In conclusion, rake or flame treatment after false seedbed markedly decreased weed occurrence, which was expected to use for management of environmentally-friendly vegetation as a substitute of PE mulch.

본 시험은 유기재배 배추(Brassica oleracea L.)에서 가묘상 준비 후 잡초관리 방법이 잡초발생과 배추 생장에 미치는 영향을 조사하기 위하여 2013년 봄과 가을작기에 수행되었다. 잡초관리 방법에는 천경, 화염, PE멀칭, 무처리를 포함하였다. 천경처리는 봄작기에서 잡초억제 효과가 작았으나 화염처리는 봄과 가을작기 모두 효율적으로 잡초를 억제하였다. 봄작기에는 PE멀칭구에서 30%의 tip-burn이 관찰되었다. 가묘상 준비에 의한 잡초관리로 봄과 가을작기 모두 관행 PE멀칭과 비슷한 엽수와 신선중 및 수량이 가능하였다. 결구정도는 무처리구에서 가장 낮았다. 가을작기는 봄작기 보다 잡초생장이 감소되었고 이에 따라 배추 수량은 증가되었다. 이상의 결과로 가묘상을 통한 천경이나 화염처리는 잡초발생을 크게 감소시켜서 PE 멀칭 대용으로서 친환경적인 초생관리의 효과가 기대되었다.

Keywords

References

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