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KMID : 1098420110190040246
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Korean Journal of Medicinal Crop Science
2011 Volume.19 No. 4 p.246 ~ p.250
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Characteristics of Rhizome Rot incidence of Platycodon grandiflorus by Ridge width and Depth and Cultivation Period in the Seeding Place
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Kim Ho-Joung
Cho Young-Son
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Abstract
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This study was carried out to investigate the characteristics of Rhizome rot incidence of Platycodon grandiflorus by cultivation period and ridge width and furrow depth. The three types of ridge width 0.8, 1.0, and 1.2 m and several levels of furrow depth and 6 levels cultivation period. This experiment was done in farmer’s farm and the treatments were also classified in the same spot. In this investigation, ridge width, soil water content, soil hardness, and cultivation period were positively related with Rhizome rot incidence, however, furrow depth was negatively related with that. So this experiment could draw a conclusion : excess water damage and soil hardness could directly or indirectly effect on the Rhizome rot incidence, so cultivation method should be developed such as making underground ditch or cultivation in well draining soil for escaping excess waster damage.
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KEYWORD
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Platycodon grandiflorus, Cropping Period, Furrow Depth, Rhizome Rot Incidence, Ridge Width, Soil Hardness
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