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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 한국토양비료학회 한국토양비료학회 학술발표회 초록집 The 9th International Conference of The East and Southeast Asis Federation of Soil Science Societies
- 발행연도
- 2009.10
- 수록면
- 438 - 441 (4page)
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이 논문의 연구 히스토리 (2)
2009
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This study was carried for the understanding of infiltration and percolation characteristics of water in agricultural land filled with rock-dust(Technosols). The experiment was performed at two sites(A, B), and soil horizons of the sites were classified with 4 layers, respectively. The soil texture of all soil horizons was analyzed with silt loam (SiL) except horizon of two soils were mostly over 1.49 g·cm<SUP>-3</SUP>, which is very higher than 1.25 g·cm<SUP>-3</SUP> of typical medium-textured mineral soil, except for the surface of site A measured immediately after tillage. The concentrations of P<SUB>2</SUB>O<SUB>5</SUB> at surface of two soils were 1962 (A), 1613(B) mg·kg<SUP>-1</SUP>, respectively. These concentrations are 3.2~6.5 times of 300~500 mg·kg<SUP>-1</SUP>, which is the optimum concentration for crop growth. Infiltration rates at surface of the soils were 3.54(A), 2.85(B) cm·hr<SUB>-1</SUB>, but percolation rates at soil horizons under the surface were below 0.3(A), below 0.003(B) cm·hr<SUP>-1</SUP>. These results would be because the surface soils were managed by tillage and crop planting etc, but soils under surface were formed with structural problems occurred at the formation time of agricultural land accumulated with rock-dust or a compaction by farm machines.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2014-521-000653700