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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.11
- 수록면
- 402 - 412 (11page)
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초록· 키워드
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This study was carried out to investigate the soil properties of bare soil and analyzed the correlation between soil loss and physico-chemical properties using slope lysimeter (13% slope). The texture of experiment plots was prepared with clay loam (CL) and sandy loam (SL). Soil samples were collected of top soil (0 - 20 cm) and sub soil (20 - 40 cm) in each sampling sites (top: 5.0 m; middle: 12.0 m; bottom: 19.0 m) of experiments plots from 2019 to 2021. Total soil loss over 3 years was 88.5 and 154.7 ton ha<SUP>-1</SUP> for the CL and SL, respectively, which was higher in SL than CL. For the soil physical properties, there was an annual difference for the bulk density and porosity of the sub soil. However, there was no difference in the changes of sampling sites for both properties. For the soil chemical properties, there were differences in the changes of year and sampling sites for the pH, EC, organic matter content, available phosphate, and exchangeable potassium of the top soil. However, there was not a clear tendency of change of soil chemical properties, which had relatively lower than the optimum range of upland soil in Korea. Among soil chemical properties, accumulated soil loss was negatively correlated with soil organic matter content for the CL and SL. The coefficient of determination (r²) of the accumulated soil loss and the mean values of total organic matter content was 0.78 and 0.65, respectively, for the CL and SL. Especially, the correlation between the accumulated soil loss and the organic matter content by sampling sites was the highest in the top of experiment plots for the CL (r² = 0.82, p = 0.001) and in the middle of experiment plots for the SL (r² = 0.99, p < 0.001). The results of this study contribute to a further understanding on the soil characteristics by soil loss.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (21)
참고문헌 신청
Ahn, B.G. and J.S. Choi. 2013. Effect of turfgrasses to prevent soil erosion. Weed Turfgrass Sci. 2(4):381-386.
Blake, G.R. and K.H. Hartge. 1986. Bulk density. p. 363-375. In A. Klute (ed.) Methods of soil analysis, Part 1: Physical and mineralogical methods. American Society of Agronomy and Soil Science Society of America, Madison, WI, USA.
Cho, H.R., K.H. Han, Y.S. Zhang, K.H. Jung, Y.K. Sonn, M.S. Kim, and S.Y. Choi. 2016. Threshold subsoil bulk density for optimal soil physical quality in upland: Inferred through parameter interactions and crop growth inhibition. Korean J. Soil Sci. Fert. 49(5):548-554.
Cho, H.R., Y.S. Zhang, K.H. Han, J.H. Ok, S.A. Hwang, H.S. Lee, and D.J. Kim. 2018. Decadal changes in subsoil physical properties as affected by agricultural land use types in Korea. Korean J. Environ. Biol. 36(4):567-575.
Gardner, W.H. 1986. Water content. p. 493-544. In A. Klute (ed.) Methods of soil analysis, Part 1: Physical and mineralogical methods. American Society of Agronomy and Soil Science Society of America, Madison, WI, USA.
Blake, G.R. and K.H. Hartge. 1986. Bulk density. p. 363-375. In A. Klute (ed.) Methods of soil analysis, Part 1: Physical and mineralogical methods. American Society of Agronomy and Soil Science Society of America, Madison, WI, USA.
Cho, H.R., K.H. Han, Y.S. Zhang, K.H. Jung, Y.K. Sonn, M.S. Kim, and S.Y. Choi. 2016. Threshold subsoil bulk density for optimal soil physical quality in upland: Inferred through parameter interactions and crop growth inhibition. Korean J. Soil Sci. Fert. 49(5):548-554.
Cho, H.R., Y.S. Zhang, K.H. Han, J.H. Ok, S.A. Hwang, H.S. Lee, and D.J. Kim. 2018. Decadal changes in subsoil physical properties as affected by agricultural land use types in Korea. Korean J. Environ. Biol. 36(4):567-575.
Gardner, W.H. 1986. Water content. p. 493-544. In A. Klute (ed.) Methods of soil analysis, Part 1: Physical and mineralogical methods. American Society of Agronomy and Soil Science Society of America, Madison, WI, USA.
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