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Selection of Promising Forage Crops and Variety for Forage Production in Paddy Field 2. Honam region(Iksan)

권역별 답리작 사료작물 최대 생산을 위한 적작목(품종) 선발 2. 호남지방(익산)을 중심으로

  • Seo, Sung (National Livestock Research Institute, RDA) ;
  • Kim, W.H. (National Livestock Research Institute, RDA) ;
  • Lee, J.H. (National Institute of Crop Science, Honam Agricultural Research Institute, RDA) ;
  • Park, T.I. (National Institute of Crop Science, Honam Agricultural Research Institute, RDA) ;
  • Chun, C.K. (College of Animal Husbandry, Kon-Kuk Univ.)
  • 서성 (농촌진흥청 축산연구소) ;
  • 김원호 (농촌진흥청 축산연구소) ;
  • 이준희 (농촌진흥청 작물과학원 호남농업연구소) ;
  • 박태일 (농촌진흥청 작물과학원 호남농업연구소) ;
  • 최기춘 (건국대학교 축산대학)
  • Published : 2004.09.01

Abstract

This study was carried out to select the promising forage crops for forage production in paddy field of HARI, RDA, Iksan from 1999 to 2001. The species of forage crop used in this experiment were barley(5 varieties), wheat(2), rye(3) and Italian ryegrass(IRG, 3). Stage of heading, milk and yellow ripe of barley were 26 $April{\sim}l$ May, middle May and late May, respectively. In milk to yellow ripe stage, dry matter(DM) yield of barley was $6.64{\sim}10.47$ MT per ha, and averaged ADF and NDF contents were $31.6\%\;and\;62.2\%$ respectively. Albori was the most promising variety among the barley). The growth of wheat was a little late compared to that of barley, but it seemed to be crop having higher forage yield md nutritive value. In milk to yellow stage, DM yield of wheat was $7.51{\sim}11.96$ MT per ha, and nutritive value of wheat was high(ADF $30.6\%$ and NDF $60.1\%$). Heading stage of rye was $25{\sim}27$ April, and it seemed to be suitable to harvest at heading to flowering stage because of heavy lodging after flowering. In flowering stage, DM yield of rye was 17.26 MT per ha, and nutritive value of rye was the lowest among 4 species(ADF $38.6\%$ and NDF $65.5\%$). Heading stage of early maturing IRG was 30 April and it seemed to be suitable for harvest at flowering stage of middle May in cropping system. In flowering stage, DM yield of early type IRG was 10.77 MT per ha, and averaged ADF and NDF contents were $31.6\%\;and\;59.2\%$, respectively. The results demonstrated that the promising forage crops for forage production in paddy field were rye, barley, early maturing IRG and wheat in Honam region. In Southern region, rye harvesting at early May was recommended when considered middle May of rice transplanting period, and barley(Albori) and early maturing IRG harvesting at middle May were recommended when considered late May of rice planting period. And also, wheat with high nutritive value and possibility for harvesting at late May were recommended in case of transplanting period at early June.

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