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 Planting and Harvest Dates on Quality and Productivity of Rye-Hairy Vetch Mixture

파종 및 수확시기가 호밀-헤어리베치 혼파의 사초수량과 품질에 미치는 영향

  • Kim, J.G. (National Livestock Research Institute, RDA) ;
  • Seo, S. (National Livestock Research Institute, RDA) ;
  • Chung, E.S. (National Livestock Research Institute, RDA) ;
  • Lim, Y.C. (National Livestock Research Institute, RDA) ;
  • Lee, J.K. (National Livestock Research Institute, RDA) ;
  • Seo, J.H. (National Agricultural Experimental Station, RDA) ;
  • Park, G.J. (National Livestock Research Institute, RDA)
  • Published : 2002.12.01
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Abstract

Rye-hairy vetch mixture would be recommended fur produce higher yield and conserving soil environment. This experiment was conducted to investigate the effect of planting and harvest dates on quality and productivity of rye-hairy vetch mixture. Plant height of rye and hairy vetch was increased with delayed harvest dates, but it found that there was on significant difference among seeding dates. The dry matter(DM) content was increased with delayed harvest dates, and it showed 30% DM in mid-May. Crude protein(CP) content was decreased sharply from 17~18% in heading stage to 9~10% in flowering stage. The content of ADF(Acid detergent fiber) and NDF(Neutral detergent fiber) were increased with delayed harvest date, but IVDMD(In vitro dry matter digestibility) and TDN(Total digestible nutrient) were decreased. The change of dry matter yield was affected significantly by harvest date but was not by seeding time. The results of this experiments indicated that harvest in late-April would be recommended to produce the highest yield and quality if it is considered to cultivate com fur silage. Harvest in mid-May would be recommendable with the cultivation of early maturity silage corn or sorghum $\times$ sudangrass hybrids.

호밀-헤어리베치 혼파는 높은 생산성과 토양보전 측면에서 추천되어진다. 본 시험은 이런 혼파조합을 이용함에 있어 적정 파종 및 수확시기를 구명하기 위하여 수행되었다. 수확이 지연됨에 따라 호밀과 헤어리베치의 초장은 커졌으며 파종시기간에는 차이가 없었다. 건물 함량은 파종시기간에는 큰 차이를 보이지 않았지만 수확시기간에는 수확이 지연될수록 유의적으로 높아져 5월 중순경에 약 30% 전후를 나타내었다. 조단백질 함량은 출수기에 17~18%에서 급격히 떨어져 5월에는 9~10%대로 낮아졌다. ADF 및 NDF 함량은 수확이 늦어짐에 따라 증가하였으며 IVDMD 및 TDM 함량은 낮아졌다. 건물수량은 수확시기에 큰 영향 을 받았으나 파종시기는 영향을 주지 못했다. 이상의 결과를 종합하여 볼 때 호밀-헤어리베치 혼파 구의 수확은 후 작물로 옥수수를 고려 시는 4월 하순경에 수확을 하며 후 작물로 조생 옥수수나 수수 $\times$ 수단그라스계 잡종을 고려 시는 5월 중순경에 수확하는 것이 추천되었다.

Keywords

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