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돈분액비를 시용한 중산간지 휴경답에서 다년생 목초의 초종별 영속성 및 건물생산성에 관한 연구

Study on Dry Matter Yields and Persistence of Forage Plants Using Swine Slurry in Fallow Paddy Land Located in the Mid-mountain Area

  • 투고 : 2012.10.08
  • 심사 : 2012.11.14
  • 발행 : 2012.12.31

초록

중산간지 휴경답에서 돈분액비를 이용한 다년생 목초 재배 시험을 수행하였다. 장소는 충남 금산이며 처리는 화학비료를 이용한 톨 페스큐 위주 혼파조합(대조구)과 돈분액비를 시용한 톨 페스큐(Fawn) 단파구, 페레니얼 라이그라스(Reveille) 단파구, 톨 페스큐 위주 혼파조합(톨 페스큐 16, 오차드그라스 6, 페레니얼라이그라스 4, 켄터키블루그라스 2, 화이트클로버 2 (kg/ha), 극만생 이탈리안 라이그라스(Ace), 레드클로버(Kenland) 단파구 및 리드 카나리그라스(Venture) 단파구를 두었다. 건물수량 및 목초율은 톨 페스큐 단파구, 톨 페스큐위주 혼파구, 리드 카나리그라스가 우수하여 이 초종과 혼파 조합이 중산간지 휴경답에서 돈분액비를 이용하여 초지를 조성 이용할 경우 유리한 것으로 판명되었다. 또한 이 처리구의 ha당 건물생산성은 14.5톤 이상으로 중산간지 휴경답이 목초 재배에 매우 유리함을 입증하고 있다. 또한 다년생 목초의 도입으로 매년 경운 파종이 반복되는 번거로움을 생략할 수 있는 유리함도 있다. 또한 사료가치와 기호성이 높은 레드클로버나 페레니얼 라이그라스는 영속성이 낮으나 보파 등 관리방법의 개선을 통해 이용이 가능할 수 있을 것이다. 이와 같이 중산간지 휴경답에 적합한 초종이나 혼파조합을 이용하면 생력적으로 사료가치와 기호성이 높은 양질목초의 고위 생산성을 달성할 수 있음이 입증되었다.

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