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논문 기본 정보

자료유형
학술저널
저자정보
Young-Jin Seo (Gyeongsangbuk-do Agricultural Research and Extention Services) Beung-Sung Kim (Gyeongsangbuk-do Agricultural Research and Extention Services) Jong-Phil Lee (Gyeongsangbuk-do Agricultural Research and Extention Services) Jong-Su Kim (Gyeongsangbuk-do Agricultural Research and Extention Services) Kee-Choon Park (RDA) Chun-Geun Park (RDA) Young-Sup Ahn (RDA) Seon-Woo Cha (RDA)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제48권 제6호
발행연도
2015.12
수록면
705 - 711 (7page)

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초록· 키워드

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Management of soil water and fertilization is known to primarily affect physiological properties and yield in plant. The effect of soil water potential and nitrogen application on characteristics of photosynthesis and chlorophyll fluorescence in Schisandra chinensis Baillon was investigated on a sandy loam soil. Net photosyntheis rate and transpiration rate increased as a photon flux density and was highest at –50kPa of soil water potential. Light compensation point (1.5 μmol m<SUP>-1</SUP> s<SUP>-1</SUP>) and dark respiration (0.13 μmol CO₂ m<SUP>-1</SUP> s<SUP>-1</SUP>) was lowest at -50 kPa but maximum photosynthesis rate (13.10μmol CO₂ m<SUP>-1</SUP>s<SUP>-1</SUP>) and net apparent quantum yield(0.083 μmol CO₂ m<SUP>-1</SUP> s<SUP>-1</SUP>) was highest at -50 kPa. As results of chlorophyll fluorescence by OJIP analysis, maximum quantum yield (Fv/Fm) of photosystem II (PSII) and PI<SUB>abs</SUB> was higher in treatments of –50 kPa and -60 kPa respectively, which reflects the relative reduction state of PSII. But the relative activities per reaction center such as ABS/RC and DIo/RC were low with decreasing soil water potential. Net photosyntheis rate and transpiration rate were highest at treatment of soil testing 1.0 times (92 kg ha<SUP>-1</SUP>). Application of nitrogen resulted in high Fv/Fm, PI<SUB>abs</SUB> and low ABS/RC, DIo/RC. This result implies that -50 kPa of soil water potential and nitrogen fertilizer may improve the efficiency of photosynthesis through controlling a photosystem in Schisandra chinensis Baillon.

목차

Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-521-002207040