Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effects of Nitrogen and Potassium Sources on Growth and Yield of Strawberry 'Seolhyang' and 'Maehyang' in Fertigation Culture

딸기 '설향' 및 '매향'의 관비재배 시 질소 및 칼리의 공급원이 생육 및 수량에 미치는 영향

  • Kim, Seung-Yu (National Institute of Horticultural & Herbal Science) ;
  • Jang, Yoon-Ah (National Institute of Horticultural & Herbal Science) ;
  • Moon, Ji-Hye (National Institute of Horticultural & Herbal Science) ;
  • Lee, Jun-Gu (National Institute of Horticultural & Herbal Science) ;
  • Lee, Sang-Gyu (National Institute of Horticultural & Herbal Science) ;
  • Cha, Seon-Hwa (National Institute of Horticultural & Herbal Science)
  • 김승유 (농촌진흥청 국립원예특작과학원 채소과) ;
  • 장윤아 (농촌진흥청 국립원예특작과학원 채소과) ;
  • 문지혜 (농촌진흥청 국립원예특작과학원 채소과) ;
  • 이준구 (농촌진흥청 국립원예특작과학원 채소과) ;
  • 이상규 (농촌진흥청 국립원예특작과학원 채소과) ;
  • 차선화 (농촌진흥청 국립원예특작과학원 채소과)
  • Published : 2009.12.31
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Abstract

The experiment was conducted to investigate the effect of nitrogen and potassium sources on growth and yield of strawberry 'Seolhyang' and 'Maehyang' in fertigation culture. The plant fresh and dry weight were higher in urea + potassium sulfate and ammonium sulfate + potassium sulfate as nitrogen and potassium sources than others in both varieties. But there were no significant difference among nitrogen and potassium sources in other growth characteristics, such as plant height, no. of leaf, crown diameter etc. Also, the marketable yield of fruit were higher in urea + potassium sulfate and ammonium sulfate + potassium sulfate in 'Seolhyang' than other treatments. 'Maehyang' was better in both treatments but there was no significant difference. The fruit qualities, such as total soluble solid, hardness, acidity, vitamin C content were not significant difference among the treatments. The acidity of soil was tended to decrease but EC was tended to increase highly in ammonium sulfate treatments as a nitrogen source. As above results, the urea and potassium sulfate were recommended as nitrogen and potassium sources for the fertigation culture of strawberry 'Seolhyang' and 'Maehyang'.

본 실험은 국내육성 딸기 품종인 '매향' 및 '설향'의 관비재배 시 질소와 칼리의 비종이 생육, 수량 및 과실의 품질에 미치는 영향을 알아보기 위해 수행되었다. 식물체 생육 중 생체중 및 건물중은 두 품종 공히 요소 + 황산가리 혹은 유안(황산암모늄) + 황산가리 처리에서 높았으며 기타 초장, 엽수, 엽장, 엽폭, 관부직경 등은 처리 간에 유의성 있는 차이를 보이지 않았다. 딸기의 수량 역시 생육과 같은 경향으로 특히 '설향'에서 요소 + 황산가리와 유안 + 황산가리 처리에서 수량이 높았다. '매향'에서도 같은 경향이었으나 처리 간에 유의성 있는 차이는 보이지 않았다. 과실의 품질을 나타내는 당도, 경도 비타민C 등은 처리 간에 차이를 보이지 않았다. 시험 종료 후 토양분석을 한 결과 토양의 EC는 요소 처리구에서 낮아지는 경향을 보였으나 반대로 유안 처리에서는 크게 높아졌는데 이는 금후 시험에서 식물체에 염류농도 장해를 일으킬만한 수준이었다. 따라서 딸기 관비재배 시 생육, 수량, 토양 EC 농도, 비료의 용해도 등을 고려하였을 시 질소질 비료로는 요소가 칼리질 비료로는 황산가리가 적합한 것으로 추천되었다.

Keywords

References

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