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Hydroponic Culture Possibility and Optimal Solution Strength of 'Pechika' Ever-bearing Strawberry on Highland in Summer  

Rhee Han-Cheol (Protected Horticultural Experiment Station, NHRI, RDA)
Kang Nam-Jun (Protected Horticultural Experiment Station, NHRI, RDA)
Rho Il-Rae (Protected Horticultural Experiment Station, NHRI, RDA)
Jung Ho-Jung (Protected Horticultural Experiment Station, NHRI, RDA)
Kwon Joon-Kook (Protected Horticultural Experiment Station, NHRI, RDA)
Kang Kyung-Hee (Protected Horticultural Experiment Station, NHRI, RDA)
Lee Jae-Han (Protected Horticultural Experiment Station, NHRI, RDA)
Lee Sung-Chan (Protected Horticultural Experiment Station, NHRI, RDA)
Publication Information
Journal of Bio-Environment Control / v.15, no.3, 2006 , pp. 250-256 More about this Journal
Abstract
This experiment was conducted to investigate the hydroponic culture possibility and the optimal solution strength of 'Pechika' ever-bearing strawberry in summer highland. Maximum room temperature and minimum root zone temperature of plastic house were $30.8^{\circ}C\;and\;19^{\circ}C$ in highland respectively and $4^{\circ}C\;and\;3^{\circ}C$ lower than in level and. The growth of 'Pechika' was better in highland. There was effective in producing the good yield and fruit quality in highland and the deformed fruits also were decreased. The soluble solid and titratable acidity content increased in highland. Early growth was the most effective in standard solution $(EC\;0.75dS\;m^{-1})$ and had a tendency to be inhibition with increasing nutrient concentration. Standard solution was also the highest to yield about 2,064kg/10a among treatments, and 2/3S, 4/3S, 5/3S by turns. The browning roots and root activity increased when the solution strength was increased, especially in EC $1.25dS{\cdot}m^{-1}$. The soluble solids and acidity content of fruits were increased with higher solution strength. Therefor, the summer hydroponic culture of 'Pechika' ever-bearing strawberry was suitable in highland and effective in standard solution $(EC\;0.75dS{\cdot}m^{-1})$ in solution control.
Keywords
Pechika strawberry; highland; summer hydroponics; solution strength;
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