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KMID : 1098420120200040217
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Korean Journal of Medicinal Crop Science
2012 Volume.20 No. 4 p.217 ~ p.221
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Effects of Various Bed Soil Substrates on the Growth and Yield of 2-Year-Old Ginseng Grown in the Closed Plastic House
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Choi Jae-Eul
Lee Nu-Ri
Jo Seo-Ri
Kim Jung-Sun
Choi Yeong-Kyu
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Abstract
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This research was conducted to investigate the influence of various organic substrates on growth and yield of ginseng seedling grown organically in the closed plastic house. The pH and EC of substrates used for organically ginseng cultivation ranged 5.93~6.78 and 0.03~0.15 dS/m respectively. The concentrations NH4-N and NO3-N respectively was 14.01~68.63 ㎎/L, 5.60~58.83 ㎎/L. The average quantum of the closed plastic house was range from 10 to 16% of natural light. In July and August, the maximum temperature of the closed plastic house did not exceed 30 and the average temperature was maintained within 25 lower than the field because air conditioning ran. The PPV-1 and PPV-2 bed soil substrates produced higher stem length, stem diameter, shoot fresh weight and leaf area than those of conventional culture. In PPV-2 bed soil substrates, root fresh weight and root diameter was the highest. The root fresh weight of PPV-2 bed soil substrates in closed plastic house was maximum 25% heavier than the conventional cultivation. The results of this experiment will be utilized for making new substrate application for organic ginseng culture in the plastic house.
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KEYWORD
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Panax ginseng, Substrates, Yield, Organic Culture, Vinyl House
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