한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제35권3호
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  • Pages.169-174
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  • 2002
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  • 0367-6315(pISSN)
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  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
권호 표지

벼재배시 헤어리벳치 녹비의 이용 효과

Effect of Hairy Vetch as Green Manue on Rice Cultivation

  • 투고 : 2002.06.11
  • 심사 : 2002.06.26
  • 발행 : 2002.06.30
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초록

본 시험은 겨울철 논에 헤어리벳치를 재배후 토양에 환원시키는 방법과 헤어리벳치 환원후 벼를 재배하였을 때 생육 및 쌀 수량에 미치는 영향을 구명하고자 1999년부터 2001년까지 3년간 작물시험장 논에서 수행되었으며, 그 결과는 다음과 같다. 헤어리벳치의 환원시기별 쌀 수량은 이앙 1주전 환원에 비하여 이앙 2~3 주전 환원시 7% 증가되었으며, 화학 질소비료를 무시용하고 벼를 재배할 수 있는 헤어리벳치의 적정 환원량은 $15{\sim}20ton\;ha^{-1}$이었고, 환원량이 $25ton\;ha^{-1}$일 경우 도복이 심하여 안전재배가 우려되었다. 헤어리벳치를 $20ton\;ha^{-1}$환원시 관행(질소 $110kg\;ha^{-1}$)에 비하여 $m^2$당 수수가 20% 증가되어 수량이 6% 정도 증가되었으며, 백미의 완전립 비율은 관행과 유사하였다.

The aim of this study was to test a utilization possibility of hairy vetch as a green manure in rice cultivation. The effect of hairy vetch on yield and nitrogen uptake or rice was investigated for three years. The yield of rice increased by 7% when hairy vetch was supplied at 2~3 weeks before rice transplanting compared to that of 1 week. The proper amount of hairy vetch incorporated into soil without nitrogen fertilization was $15{\sim}20ton\;ha^{-1}$. There was a severe lodging of rice with yield reduction when hairy vetch was supplied over $25ton\;ha^{-1}$. When $20ton\;ha^{-1}$ of hairy vetch was supplied the rice yield increased by 6% due to the increase of panicle number per square meter 20%.

키워드

참고문헌

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