토양 이화학적 성질에 따른 도라지 재배적지를 경남 진주 6, 김해 7, 고성 3, 함안 6, 거창 4개소 강원도 홍천 6개소 등 32개소를 대상으로 분석한 결과는 다음과 같다. 기온은 발병율과 $Y=3.07X^2-87.16X+649.26(R^2=0.947^{**})$, 수량과 $Y=-478.68X^2+13403X-90836(R^2=0.763^*)$의 유의성 있는 상관이 있었다. 재배년수는 진주 8.0년으로 다년생이었고 홍천 1.30ha로 가장 넓었으며 김해가 0.08ha로 좁았다. 평균 퇴비시용량은 홍천이 $108Mg\;ha^{-1}$로 과다시용하는 경향이었고 김해지역이 $4.96Mg\;ha^{-1}$로 적게 시용하였다. 경사는 고성이 35.0%로 급경지였고 거창은 28%로 구릉지이며 진주, 김해, 홍천은 경사가 11.7 11.0, 7.5%로 기복지를 나타냈다. 배수상태는 거창, 김해, 진주, 고성지역이 양호한 반면 홍천, 함안은 불량한 편이었고 농가재배지의 포장방향은 거창, 진주, 고성이 동남향이었으며 김해, 함안, 홍천지역은 북서방향이었다. 재배년수가 긴 진주지역이 근경 4.20cm, 주당 근중 57g으로 수량이 $36.17Mg\;ha^{-1}$로 높게 나타났다. 발병율은 함안, 홍천지역이 각각 56.8, 52.5%로 높게 나타났고 고성 진주지역이 30.0. 32.2%로 낮게 나타났다. 발병율은 배수등급과 Y=19.1X-5.26($R^2=0.592{***}$)지형과는 Y=9.68X+10.77($R^2=0.205^{**}$)의 고도의 유의성 있는 정의상관을 나타냈고, 수량은 배수등급과 Y=-10X+42($R^2=0.348^{**}$), 지형과는 Y=-5.34X+34.5 ($R^2=0.134^*$)의 부의상관을 나타냈다.
토양 이화학적 성질에 따른 도라지 재배적지를 경남 진주 6, 김해 7, 고성 3, 함안 6, 거창 4개소 강원도 홍천 6개소 등 32개소를 대상으로 분석한 결과는 다음과 같다. 기온은 발병율과 $Y=3.07X^2-87.16X+649.26(R^2=0.947^{**})$, 수량과 $Y=-478.68X^2+13403X-90836(R^2=0.763^*)$의 유의성 있는 상관이 있었다. 재배년수는 진주 8.0년으로 다년생이었고 홍천 1.30ha로 가장 넓었으며 김해가 0.08ha로 좁았다. 평균 퇴비시용량은 홍천이 $108Mg\;ha^{-1}$로 과다시용하는 경향이었고 김해지역이 $4.96Mg\;ha^{-1}$로 적게 시용하였다. 경사는 고성이 35.0%로 급경지였고 거창은 28%로 구릉지이며 진주, 김해, 홍천은 경사가 11.7 11.0, 7.5%로 기복지를 나타냈다. 배수상태는 거창, 김해, 진주, 고성지역이 양호한 반면 홍천, 함안은 불량한 편이었고 농가재배지의 포장방향은 거창, 진주, 고성이 동남향이었으며 김해, 함안, 홍천지역은 북서방향이었다. 재배년수가 긴 진주지역이 근경 4.20cm, 주당 근중 57g으로 수량이 $36.17Mg\;ha^{-1}$로 높게 나타났다. 발병율은 함안, 홍천지역이 각각 56.8, 52.5%로 높게 나타났고 고성 진주지역이 30.0. 32.2%로 낮게 나타났다. 발병율은 배수등급과 Y=19.1X-5.26($R^2=0.592{***}$)지형과는 Y=9.68X+10.77($R^2=0.205^{**}$)의 고도의 유의성 있는 정의상관을 나타냈고, 수량은 배수등급과 Y=-10X+42($R^2=0.348^{**}$), 지형과는 Y=-5.34X+34.5 ($R^2=0.134^*$)의 부의상관을 나타냈다.
Platycodon root contains abundant pharmaceutical substances and is widely used as a food and a medicinal herb. This study was conducted to determine the cultural environment and soil morphological characteristics of platycodon. Sampling sites were Keochang 4, Kimhae 7, Haman 6, Chinju 6 and Koseong ...
Platycodon root contains abundant pharmaceutical substances and is widely used as a food and a medicinal herb. This study was conducted to determine the cultural environment and soil morphological characteristics of platycodon. Sampling sites were Keochang 4, Kimhae 7, Haman 6, Chinju 6 and Koseong 3 fields in Kyongnam province and Hongcheong 6 fields in Kangwon province. The average continious cropping year was highest Chinju 8.0-years old, whereas lowest Hongcheon 2.3-years old. The average cropping area and compost application were highest Hongcheon 1.3ha and $108Mg\;ha^{-1}$ respectively than other areas. The slope was in order to Koseong steep slope with 35%. Koechang 28%, Flaman 16%, Chinju 11.7%, Kimhae 11% and Hongcheon 7.5%. The drainage classes was well drained in Koechang. Kimhae, Chinju and Koseong, while it s poorly drained in Hongcheon and Haman. Distribution of topography was highest rolling 37.9% and drainage classes was highest well drained 48.3%. The root disease incidence rate was in the order of Haman 56.8%, Hongcheon 52.5%, Kimhae 36.7%, Koechang 35.3%, Chinju 32.3% and Koseong 30.0%. The yield at the Chinju $36.17Mg\;ha^{-1}$ was higher than that of Koseong $25.00Mg\;ha^{-1}$, Kimhae $13.57Mg\;ha^{-1}$, Koechang $11.75Mg\;ha^{-1}$, Haman $9.50Mg\;ha^{-1}$ and Hongcheon $5.24Mg\;ha^{-1}$. The average temperature was correlated with the disease incidence rate by $Y=3.07X^2-87.16X+649.26(R^2=0.947^{**})$ and yield by $Y=-478.68X^2+13403X-90836(R^2=0.763^*)$. The root disease incidence rate was correlated with drainage classes Y=19.1X-5.26($R^2=0.592{***}$), topography Y=9.68X+10.77($R^2=0.205^{**}$) and slope Y=0.85X+-27.88 ($R^2=0.143^*$). The yield was correlated with drainage classes Y=-10X+42($R^2=0.348^{**}$), topography Y=-5.34X+34.5 ($R^2=0.134^*$) and slope Y=-0.68X+25.48($R^2=0.129^*$). The optimum cultivated land of perennial platycodon was average temperature $14^{\circ}C$, direction of southeast, topography of flat or undulating, slope of 0-6%, well drained.
Platycodon root contains abundant pharmaceutical substances and is widely used as a food and a medicinal herb. This study was conducted to determine the cultural environment and soil morphological characteristics of platycodon. Sampling sites were Keochang 4, Kimhae 7, Haman 6, Chinju 6 and Koseong 3 fields in Kyongnam province and Hongcheong 6 fields in Kangwon province. The average continious cropping year was highest Chinju 8.0-years old, whereas lowest Hongcheon 2.3-years old. The average cropping area and compost application were highest Hongcheon 1.3ha and $108Mg\;ha^{-1}$ respectively than other areas. The slope was in order to Koseong steep slope with 35%. Koechang 28%, Flaman 16%, Chinju 11.7%, Kimhae 11% and Hongcheon 7.5%. The drainage classes was well drained in Koechang. Kimhae, Chinju and Koseong, while it s poorly drained in Hongcheon and Haman. Distribution of topography was highest rolling 37.9% and drainage classes was highest well drained 48.3%. The root disease incidence rate was in the order of Haman 56.8%, Hongcheon 52.5%, Kimhae 36.7%, Koechang 35.3%, Chinju 32.3% and Koseong 30.0%. The yield at the Chinju $36.17Mg\;ha^{-1}$ was higher than that of Koseong $25.00Mg\;ha^{-1}$, Kimhae $13.57Mg\;ha^{-1}$, Koechang $11.75Mg\;ha^{-1}$, Haman $9.50Mg\;ha^{-1}$ and Hongcheon $5.24Mg\;ha^{-1}$. The average temperature was correlated with the disease incidence rate by $Y=3.07X^2-87.16X+649.26(R^2=0.947^{**})$ and yield by $Y=-478.68X^2+13403X-90836(R^2=0.763^*)$. The root disease incidence rate was correlated with drainage classes Y=19.1X-5.26($R^2=0.592{***}$), topography Y=9.68X+10.77($R^2=0.205^{**}$) and slope Y=0.85X+-27.88 ($R^2=0.143^*$). The yield was correlated with drainage classes Y=-10X+42($R^2=0.348^{**}$), topography Y=-5.34X+34.5 ($R^2=0.134^*$) and slope Y=-0.68X+25.48($R^2=0.129^*$). The optimum cultivated land of perennial platycodon was average temperature $14^{\circ}C$, direction of southeast, topography of flat or undulating, slope of 0-6%, well drained.
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