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Effect of green manure barley and hairy vetch on soil characteristics and rice yield in paddy

녹비보리와 헤어리베치 토양투입에 따른 벼 수량 및 토양특성

  • Cho, Hyeoun-Suk (Crop Environment Research Division, National Institute of crop Science, RDA) ;
  • Park, Woo-Young (Crop Environment Research Division, National Institute of crop Science, RDA) ;
  • Jeon, Weon-Tai (Crop Environment Research Division, National Institute of crop Science, RDA) ;
  • Seong, Ki-Yeung (Crop Environment Research Division, National Institute of crop Science, RDA) ;
  • Kim, Chung-Guk (Crop Environment Research Division, National Institute of crop Science, RDA) ;
  • Park, Tae-Seon (Crop Environment Research Division, National Institute of crop Science, RDA) ;
  • Kim, Jae-Deok (Crop Environment Research Division, National Institute of crop Science, RDA)
  • 조현숙 (농촌진흥청 국립식량과학원) ;
  • 박우영 (농촌진흥청 국립식량과학원) ;
  • 전원태 (농촌진흥청 국립식량과학원) ;
  • 성기영 (농촌진흥청 국립식량과학원) ;
  • 김충국 (농촌진흥청 국립식량과학원) ;
  • 박태선 (농촌진흥청 국립식량과학원) ;
  • 김재덕 (농촌진흥청 국립식량과학원)
  • Received : 2011.10.21
  • Accepted : 2011.12.18
  • Published : 2011.12.31

Abstract

This study was conducted at Korea's typical soil, loamy soil, to figure out the effect of how barley green manure (B), hairy vetch (HV) and the mixed-planting hairy vetch with barley green manure (HV/B) affecting on the yield of rice, usage of nutrient and soil characteristics. Supplying amount of nitrogen from HV, HV/B and B were 172.8 kg $ha^{-1}$, 64.3 kg $ha^{-1}$ and 38.6 kg $ha^{-1}$, respectively. Hairy vetch had the highest plant height and SPAD of rice and next was hairy vetch/barley, chemical fertilizer (CF), none fertilizer (NF), and green manure barley. The amount of rice yield was 5.51 ton $ha^{-1}$ with HV, and 4.24 ton $ha^{-1}$ with HV/B. The chemical characteristics of soil showed lower pH and exchangeable cations (Ca and Mg) at B, HV and HV/B plot rather than that of chemical fertilizer (CF) plot. However, the physical characteristics of soil and the porosity rate showed better tendency at the green manure crops than CF. Nitrogen nutrient balance was showed the most balanced at CF, otherwise field of application of green manure crops were required the appropriate nutrition management if future crops would be cultivated because nitrogen nutrient could be devastated or accumulated.

Keywords

References

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