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Effect of Substrate on the Production of Korean Ginseng(Panax ginseng C.A. Meyer) in Nutrient Culture  

Dong Sik Yang (Division of Biosciences and Technology, College of Life and Environmental Science, Korea University)
Gung Pyo Lee (Institute of Natural Science, Seoul Women's University)
Park, Kuen Woo (Division of Biosciences and Technology, College of Life and Environmental Science, Korea University)
Publication Information
Journal of Bio-Environment Control / v.11, no.4, 2002 , pp. 199-204 More about this Journal
Abstract
To overcome a decrease of Korean ginseng production caused by successive cropping, we have tried to develop a nutrient culture system for Korean ginseng production. For determining the optimal substrate, mixture of sand and TKS-2 (S＋T), peatmoss (P), reused rockwool (RR), and granular rockwool (GR) were investigated. The overall physico-chemical properties of RR fell into the reported optimal range for the ginseng cultivation. However, bulk density of S＋T was a little higher than that of soil in Korean ginseng fields. The top fresh weight of the ginseng was high in RR and S＋T substrates. The root fresh and dry weights in the RR were remarkably greater than that in the conventional soil (CS) of Korean ginseng fields. In terms of ginseng quality, the vitamin C content of ginseng root in nutrient culture was higher than that in CS. However, the contents of crude saponin and total ginsenosides in ginseng between in the nutrient culture and in the soil culture did not show any significant differences.
Keywords
ginsenoside; crude saponin; ginsenoside; rockwool; vitamin C; nutrient culture;
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