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Effect of Media on the Growth of 'Pechika' Strawberry Grown in Hydroponics 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. 257-263 More about this Journal
Abstract
This experiment was conducted to investigate the optimal media for 'Pechika' ever-bearing strawberry grown in hydroponic culture system in summer highland. Three mixed media (1:1, v/v) of peatmoss with perlite, rice hull, and granular rockwool, and four solution strengths of EC 0.5, 0.75, 1.0 and $1.25 dS{\cdot}m^{-1}$ were tested. Root zone temperature in peatmoss+perlite media was 1 to $3^{\circ}C$ lower than in the other media. The culture medium of mixing to peat moss and perlite was most effective in producing good yield and fruit quality. The culture medium of mixing to peat moss and perlite was the highest about 1,632kg/10a to yield yearly average, but was very undulating 732 kg/10a to yield in 2004 year and 3,013kg/10a in 2003 year. The deformed fruits were increased when the solution strength was increased, especially in EC $1.25dS{\cdot}m^{-1}$. The soluble solids and the acidity content of fruits were increased with higher solution strength regardless of media. The uptake of Ca and Mg was inhibited at higher solution strength, and the uptake of N, P and K was promoted. Therefore, the culture medium of mixing to peat moss and perlite was the most suitable culture medium to product strawberry in summer, because it had the highest yield even though fruit quality among treatments was not significant.
Keywords
media; `Pechika` strawberry; summer hydroponics;
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