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Comparison of Forage Production of Annual Legume in the Central Region of Korea

중부지방에서 일년생 콩과목초의 사초 생산성 비교

  • Kim, J.D. (Yonam College of Agriculture) ;
  • Kwon, C.H. (Yonam College of Agriculture) ;
  • Kim, S.G. (School of Agric. Biotechnol., Seoul National University) ;
  • Park, H.S. (School of Agric. Biotechnol., Seoul National University) ;
  • Ko, H.J. (School of Agric. Biotechnol., Seoul National University) ;
  • Kim, D.A. (School of Agric. Biotechnol., Seoul National University)
  • 김종덕 (연암축산원예대학) ;
  • 권찬호 (연암축산원예대학) ;
  • 김수곤 (서울대학교 농생명공학부) ;
  • 박형수 (서울대학교 농생명공학부) ;
  • 고한종 (서울대학교 농생명공학부) ;
  • 김동암 (서울대학교 농생명공학부)
  • Published : 2002.10.31

Abstract

Annual legume is being used as an important source of protein for farm animals and an ingredient for nitrogen fertilizers. There are, however, difficulties in selecting appropriate cultivar and forage management technique. The objective of this study is to select the best performing cultivars and evaluate a forage value on annual legume at two locations (Suwon and Sunghwan) for 1 year (1999${\sim}$2000). All cultivars shown a seedling vigor and lodging resistance of 8 rating or higher. Crimson and rose clover showed that they are appropriate for overwintering, but ;Laser; (35.9%) and 'Nitro'(9.1%) of persian clover variety did not overwinter well from 1999 to 2000. Flower stage was observed 4th of May for 'Tibbee', 6th of May for 'Contea' crimson clover, and 29th of April for 'Bolta balansa' rose clover. DM yield of a crimson clover 'Contea' (4,218kg/ha) was the highest among the legume forage. A crimson clover 'Tibbee' and rose clover 'Bolta balansa' also had a high production yield (3,874 and 3,828kg/ha). Calculations of relative feed value (RFV) based on the acid and neutral detergent fiber (ADF and NDF) of annual legume were over 125, which means that quality was high. According to the results of this study, crimson and rose clovers are recommended due to their high winter survival rate and high DM yield. Persian clover is not recommended because of a low overwintering rate at the Central region in Korea.

Keywords

Annual legume;Cultivar;Overwintering;Forage yield

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