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논문 기본 정보

자료유형
학술저널
저자정보
Jiangfeng You (Jilin University) Xing Liu (Jilin University) Bo Zhang (Jilin University) Zhongkai Xie (Soil and fertilizer Institution of Tonghua) Zhiguang Hou (Jilin Agricultural University) Zhenming Yang (Jilin University)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.39 No.3
발행연도
2015.7
수록면
81 - 88 (8page)

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초록· 키워드

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Background: In Changbai Mountains, Panax ginseng (ginseng) was cultivated in a mixture of the humus and albic horizons of albic luvisol in a raised garden with plastic shade. This study aimed to evaluate the impact of ginseng planting on soil characteristics.
Methods: The mixed-bed soils were seasonally collected at intervals of 0-5 cm, 5-10 cm, and 10-15 cm for different-aged ginsengs. Soil physico-chemical characteristics were studied using general methods. Aluminum was extracted from the soil solids with NH₄Cl (exchangeable Al) and Na-pyrophosphate (organic Al) and was measured with an atomic absorption spectrophotometer.
Results: A remarkable decrease in the pH, concentrations of exchangeable calcium, NH₄⁺, total organic carbon (TOC), and organic Al, as well as a pronounced increase in the bulk density were observed in the different-aged ginseng soils from one spring to the next. The decrease in pH in the ginseng soils was positively correlated with the NH⁺₄ (r=0.463, p<0.01), exchangeable calcium (r=0.325, p<0.01) and TOC (r = 0.292, p < 0.05) concentrations. The NO₃ showed remarkable surface accumulation (0-5 cm) in the summer and even more in the autumn but declined considerably the next spring. The exchangeable Al fluctuated from 0.10 mg g<SUP>-1</SUP> to 0.50 mg g<SUP>-1</SUP> for dry soils, which was positively correlated with the NO₃ (r=0.401, p < 0.01) and negatively correlated with the TOC (r=-0.329, p < 0.05). The Al saturation varied from 10% to 41% and was higher in the summer and autumn, especially in the 0-5 cmand 5-10 cm layers.
Conclusion: Taken together, our study revealed a seasonal shift in soil characteristics in ginseng beds with plastic shade.

목차

abstract
1. Introduction
2. Materials and methods
3. Results
4. Discussion
5. Conclusion
References

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