Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Effect of Sowing and Harvest Time on Forage Yield and Feed Value of Spring and Fall Oats at Youngnam Mountain Area

영남산간지역에서 파종 및 수확시기에 따른 봄과 가을 귀리의 조사료 수량과 사료가치

  • Han, Ouk-Kyu (Central Area Crop Breeding Division, National Institute of Crop Science, RDA) ;
  • Ku, Ja-Hwan (Central Area Crop Breeding Division, National Institute of Crop Science, RDA) ;
  • Min, Hyeong-Gyu (Sancheong Agricultural Technology Center) ;
  • Lee, Hyuk-Jun (Division of Applied Life Science (BK21Plus, Institute of Agricultural and Life Science), Gyeongsang National University) ;
  • Joo, Young-Ho (Division of Applied Life Science (BK21Plus, Institute of Agricultural and Life Science), Gyeongsang National University) ;
  • Lee, Seong-Shin (Division of Applied Life Science (BK21Plus, Institute of Agricultural and Life Science), Gyeongsang National University) ;
  • Oh, Jung-Sik (Sancheong Agricultural Technology Center) ;
  • Jung, Ki-Han (Livestock Division, Gyeongnam Provincial Government) ;
  • Kim, Sam-Churl (Division of Applied Life Science (BK21Plus, Institute of Agricultural and Life Science), Gyeongsang National University)
  • 한옥규 (국립식량과학원 중부작물부) ;
  • 구자환 (국립식량과학원 중부작물부) ;
  • 민형규 (산청군 농업기술센터) ;
  • 이혁준 (경상대학교 응용생명과학부(BK21Plus, 농업생명과학연구원)) ;
  • 주영호 (경상대학교 응용생명과학부(BK21Plus, 농업생명과학연구원)) ;
  • 이성신 (경상대학교 응용생명과학부(BK21Plus, 농업생명과학연구원)) ;
  • 오정식 (산청군 농업기술센터) ;
  • 정기한 (경상남도청 축산과) ;
  • 김삼철 (경상대학교 응용생명과학부(BK21Plus, 농업생명과학연구원))
  • Received : 2018.04.12
  • Accepted : 2018.06.21
  • Published : 2018.06.30
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Abstract

This study estimated the effect of sowing and harvesting dates on dry matter (DM) yield and feed value of forage oats at Sancheong, Korea. The forage oats (Darkhorse vs. Highspeed) were used in this experiment. The experimental main plots consisted of the different sowing and harvesting dates at 2 seasons as follows: spring oats of sowing (February 25, March 3 and March 13) and harvesting (May 27, June 6 and June 16); and fall oats of sowing (August 15, August 25 and September 4) and harvesting (October 15, October 25 and November 4). On spring oats, Highspeed sown on March 3 and then harvesting on June 6 had the highest (p<0.05) plant length and DM yield. Crude protein content decreased (p<0.05) in seed of the delayed-harvesting Highspeed. On fall oats, plant length and DM yield with the delayed-harvesting date increased (p<0.05), while crude protein content of the delayed-harvesting Highspeed decreased (p<0.05). This study concluded that the spring oat sown in early March and then harvesting in early June was recommended to increase dry matter and feed value although the fall oat sown in end August and then harvesting in early November was recommended for fall period.

본 연구는 영남산간지역에 적합한 조사료 생산 작부체계를 설정하기 위해 봄과 가을용 귀리의 재배방법을 검토하였다. 재배는 2015년 2월부터 11월까지(1차), 2016년 2월부터 11월까지(2차) 2회에 걸쳐 춘파와 추파로 구분하여 실시하였다. 품종은 국내에서 육성된 다크호스와 하이스피드를 사용하였다. 춘파시험은 2월 21일, 3월 3일 및 3월 13일 3회에 파종하여 5월 27일, 6월 6일 및 6월 16일에 각각 수확하였다. 추파는 8월 15일, 8월 24일 및 9월 5일 3회 실시하여 10월 15일, 10월 25일 및 11월 4일에 각각 수확하였다. 봄 재배의 경우 초장은 파종시기가 빠를수록 길었고, 특히 하이스피드 품종을 3월 3일에 파종하여 6월 6일에 수확 시에 가장 길었다. 건물률은 수확시기가 늦어질수록 증가한 반면, 조단백질 함량은 감소하였다. NDF 함량은 품종별로 볼 때 다크호스가 하이스피드에 비해 높았고, 수확시기는 5월 27일 수확이 6월 6일 수확에 비해 높았다. 추파 귀리의 경우 초장은 파종시기가 8월 25일, 15일 및 9월 4일의 순으로 길었다. 한편 건물수량은 파종시기가 8월 25일, 15일 및 9월 4일의 순으로 높았고, 수확시기는 11월 4일, 10월 25일 및 10월 15일 순으로 높았다. 건물률은 파종시기가 빠를수록 높게 나타난 반면, 수확시기는 늦을수록 높았다. 조단백질 함량은 파종시기가 늦을수록 높았고, 수확시기는 빠를수록 높았다. NDF 함량은 파종시기가 8월 25일이 9월 4일에 비해 높았으며, 수확시기는 11월 4일이 10월 25일에 비해 높게 나타났다. 이상의 결과에서 영남산간지역에서 봄에 사료용 귀리를 파종할 경우 늦어도 3월 3일까지는 파종을 완료하고 6월 6일 이전에는 수확하는 것이 유리할 것으로 사료되었으며, 가을에 귀리를 파종할 경우 9월 4일까지 파종을 완료하고 10월 25일 이전에 수확을 완료하는 것이 조사료 생산성을 향상시키는데 유리할 것으로 판단되었다.

Keywords

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